SettingsParticle physics
331 model
The 331 model in particle physics offers an explanation of why there must exist three families of quarks and leptons.
The 331 model in particle physics offers an explanation of why there must exist three families of quarks and leptons.
Accelerator physics
Accelerator physics is an interdisciplinary topic, commonly defined by the intent of designing, building and operating particle accelerators.
Accelerator physics is an interdisciplinary topic, commonly defined by the intent of designing, building and operating particle accelerators.
Alpha Magnetic Spectrometer
The Alpha Magnetic Spectrometer, also designated AMS-02, is a particle physics experiment module that is to be mounted on the International Space Station.
The Alpha Magnetic Spectrometer, also designated AMS-02, is a particle physics experiment module that is to be mounted on the International Space Station.
Alpha magnetic spectrometer
The alpha magnetic spectrometer, also designated AMS-02, is a particle physics experiment module that is mounted on the International Space Station.
The alpha magnetic spectrometer, also designated AMS-02, is a particle physics experiment module that is mounted on the International Space Station.
An Exceptionally Simple Theory of Everything
"An Exceptionally Simple Theory of Everything" is a preprint proposing a basis for a unified field theory, very often referred to as "E8 Theory," which attempts to describe all known f...
"An Exceptionally Simple Theory of Everything" is a preprint proposing a basis for a unified field theory, very often referred to as "E8 Theory," which attempts to describe all known f...
Annihilation
Annihilation is defined as "total destruction" or "complete obliteration" of an object; having its root in the Latin nihil.
Annihilation is defined as "total destruction" or "complete obliteration" of an object; having its root in the Latin nihil.
Anomalous electric dipole moment
In particle physics, the anomalous electric dipole moment, or the electric dipole moment of a particle in short, is the electric dipole moment of a particle.
In particle physics, the anomalous electric dipole moment, or the electric dipole moment of a particle in short, is the electric dipole moment of a particle.
Antimatter
In particle physics, antimatter is the extension of the concept of the antiparticle to matter, where antimatter is composed of antiparticles in the same way that normal matter is composed of par...
In particle physics, antimatter is the extension of the concept of the antiparticle to matter, where antimatter is composed of antiparticles in the same way that normal matter is composed of par...
Antiproton Decelerator
The Antiproton Decelerator is a storage ring at the CERN laboratory in Geneva.
The Antiproton Decelerator is a storage ring at the CERN laboratory in Geneva.
ARGUS (experiment)
The ARGUS experiment was a particle physics experiment that ran at the electron-positron collider ring DORIS II at DESY. It is the first experiment that observed the mixing of the B mesons (...
The ARGUS experiment was a particle physics experiment that ran at the electron-positron collider ring DORIS II at DESY. It is the first experiment that observed the mixing of the B mesons (...
Askaryan effect
The Askaryan effect is the phenomenon whereby a particle traveling faster than the phase velocity of light in a dense dielectric produces a shower of secondary charged particles which contain a ...
The Askaryan effect is the phenomenon whereby a particle traveling faster than the phase velocity of light in a dense dielectric produces a shower of secondary charged particles which contain a ...
Atomic stopping power
Atomic stopping power is a measure of the energy loss of a particle traveling through a material.
Atomic stopping power is a measure of the energy loss of a particle traveling through a material.
Attophysics
Attophysics is a branch of physics wherein attosecond duration pulses of electrons or photons are used to probe dynamic processes in matter with unprecedented time resolution.
Attophysics is a branch of physics wherein attosecond duration pulses of electrons or photons are used to probe dynamic processes in matter with unprecedented time resolution.
Automatic calculation of particle interaction or decay
The automatic calculation of particle interaction or decay is part of the computational particle physics branch.
The automatic calculation of particle interaction or decay is part of the computational particle physics branch.
Available energy (particle collision)
In particle physics, the available energy is the energy in a particle collision available to produce new matter from the kinetic energy of the colliding particles.
In particle physics, the available energy is the energy in a particle collision available to produce new matter from the kinetic energy of the colliding particles.
Axino
The axino is a hypothetical elementary particle predicted by some theories of particle physics.
The axino is a hypothetical elementary particle predicted by some theories of particle physics.
B − L
In high energy physics, B − L (pronounced "bee minus ell") is the difference between the baryon number (B) and the lepton number (L).
In high energy physics, B − L (pronounced "bee minus ell") is the difference between the baryon number (B) and the lepton number (L).
B-Bbar oscillation
Neutral B meson oscillations (or – oscillations) is one of the manifestations of the neutral particle oscillation, a fundamental prediction of the Standard Model of particle physics.
Neutral B meson oscillations (or – oscillations) is one of the manifestations of the neutral particle oscillation, a fundamental prediction of the Standard Model of particle physics.
Barn (unit)
A barn (symbol b) is a unit of area.
A barn (symbol b) is a unit of area.
Baryogenesis
In physical cosmology, baryogenesis is the generic term for hypothetical physical processes that produced an asymmetry between baryons and antibaryons in the very early universe, resulting in th...
In physical cosmology, baryogenesis is the generic term for hypothetical physical processes that produced an asymmetry between baryons and antibaryons in the very early universe, resulting in th...
Baryon
A baryon is a composite particle made up of three quarks (as distinct from mesons, which comprise one quark and one antiquark).
A baryon is a composite particle made up of three quarks (as distinct from mesons, which comprise one quark and one antiquark).
Baryon number
In particle physics, the baryon number is an approximate conserved quantum number of a system.
In particle physics, the baryon number is an approximate conserved quantum number of a system.
Bilepton
A bilepton is a hypothetical particle predicted by the minimal 331 model.
A bilepton is a hypothetical particle predicted by the minimal 331 model.
Bonner sphere
Bonner spheres are used to determine the energy spectrum of a neutron beam.
Bonner spheres are used to determine the energy spectrum of a neutron beam.
Bootstrap model
In physics, the term bootstrap model is used for a class of theories that use very general consistency criteria to determine the form of a quantum theory from some assumptions on the spectrum of...
In physics, the term bootstrap model is used for a class of theories that use very general consistency criteria to determine the form of a quantum theory from some assumptions on the spectrum of...
Bose–Einstein correlations
In physics, Bose–Einstein correlations are correlations between identical bosons.
In physics, Bose–Einstein correlations are correlations between identical bosons.
Bradyon
A bradyon, also known as a tardyon or ittyon, is a particle that travels slower than light.
A bradyon, also known as a tardyon or ittyon, is a particle that travels slower than light.
Bragg peak
The Bragg peak is a pronounced peak on the Bragg curve which plots the energy loss of ionizing radiation during its travel through matter.
The Bragg peak is a pronounced peak on the Bragg curve which plots the energy loss of ionizing radiation during its travel through matter.
Branching fraction
In particle physics and nuclear physics, the branching fraction for a decay is the fraction of particles which decay by an individual decay mode with respect to the total number of particles whi...
In particle physics and nuclear physics, the branching fraction for a decay is the fraction of particles which decay by an individual decay mode with respect to the total number of particles whi...
Brane cosmology
Brane cosmology refers to several theories in particle physics and cosmology motivated by, but not exclusively derived from, superstring theory and M-theory.
Brane cosmology refers to several theories in particle physics and cosmology motivated by, but not exclusively derived from, superstring theory and M-theory.
B–Bbar oscillation
Neutral B meson oscillations (or – oscillations) is one of the manifestations of the neutral particle oscillation, a fundamental prediction of the Standard Model of particle physics.
Neutral B meson oscillations (or – oscillations) is one of the manifestations of the neutral particle oscillation, a fundamental prediction of the Standard Model of particle physics.
Cabibbo-Kobayashi-Maskawa matrix
In the Standard Model of particle physics, the Cabibbo–Kobayashi–Maskawa matrix (CKM matrix, quark mixing matrix, sometimes also called KM matrix) is a unitary matrix which con...
In the Standard Model of particle physics, the Cabibbo–Kobayashi–Maskawa matrix (CKM matrix, quark mixing matrix, sometimes also called KM matrix) is a unitary matrix which con...
Cabibbo-Kobayashi–Maskawa matrix
In the Standard Model of particle physics, the Cabibbo–Kobayashi–Maskawa matrix (CKM matrix, quark mixing matrix, sometimes also called KM matrix) is a unitary matrix which con...
In the Standard Model of particle physics, the Cabibbo–Kobayashi–Maskawa matrix (CKM matrix, quark mixing matrix, sometimes also called KM matrix) is a unitary matrix which con...
Cabibbo–Kobayashi–Maskawa matrix
In the Standard Model of particle physics, the Cabibbo–Kobayashi–Maskawa matrix (CKM matrix, quark mixing matrix, sometimes also called KM matrix) is a unitary matrix which con...
In the Standard Model of particle physics, the Cabibbo–Kobayashi–Maskawa matrix (CKM matrix, quark mixing matrix, sometimes also called KM matrix) is a unitary matrix which con...
Calorimeter (particle physics)
In particle physics, a calorimeter is an experimental apparatus that measures the energy of particles.
In particle physics, a calorimeter is an experimental apparatus that measures the energy of particles.
Channelling (physics)
Channelling is the process that constrains the path of a charged particle in a crystalline solid.
Channelling is the process that constrains the path of a charged particle in a crystalline solid.
Charge carrier
In physics, a charge carrier is a free particle carrying an electric charge, especially the particles that carry electric currents in electrical conductors.
In physics, a charge carrier is a free particle carrying an electric charge, especially the particles that carry electric currents in electrical conductors.
Charge invariance
Charge invariance refers to the fixed electrostatic potential of a particle, regardless of speed.
Charge invariance refers to the fixed electrostatic potential of a particle, regardless of speed.
Chasman–Green lattice
The Chasman–Green lattice, also known as a double bend achromat lattice (DBA lattice), is a special periodic arrangement of magnets designed by Renate Chasman and G. Kenneth Green of Brook...
The Chasman–Green lattice, also known as a double bend achromat lattice (DBA lattice), is a special periodic arrangement of magnets designed by Renate Chasman and G. Kenneth Green of Brook...
CHEP Conference
International Conference on Computing in High Energy and Nuclear Physics is held in roughly 18 month intervals to overview latest computing trends and approaches in the fields of High Energy Phy...
International Conference on Computing in High Energy and Nuclear Physics is held in roughly 18 month intervals to overview latest computing trends and approaches in the fields of High Energy Phy...
Cherenkov radiation
Cherenkov radiation is electromagnetic radiation emitted when a charged particle passes through a dielectric medium at a speed greater than the phase velocity of light in that medium.
Cherenkov radiation is electromagnetic radiation emitted when a charged particle passes through a dielectric medium at a speed greater than the phase velocity of light in that medium.
Chiral color
In particle physics phenomenology, chiral color is a speculative model which extends quantum chromodynamics, the generally accepted theory for the strong interactions of quarks.
In particle physics phenomenology, chiral color is a speculative model which extends quantum chromodynamics, the generally accepted theory for the strong interactions of quarks.
Chiral perturbation theory
Chiral perturbation theory (ChPT) is an effective field theory constructed with a Lagrangian consistent with the (approximate) chiral symmetry of quantum chromodynamics (QCD), as well as the oth...
Chiral perturbation theory (ChPT) is an effective field theory constructed with a Lagrangian consistent with the (approximate) chiral symmetry of quantum chromodynamics (QCD), as well as the oth...
Chirality (physics)
A chiral phenomenon is one that is not identical to its mirror image (see the article on mathematical chirality).
A chiral phenomenon is one that is not identical to its mirror image (see the article on mathematical chirality).
Chromo-Weibel instability
The Chromo–Weibel instability is a plasma instability present in homogeneous or nearly-homogeneous non-abelian plasmas which possess an anisotropy in momentum space.
The Chromo–Weibel instability is a plasma instability present in homogeneous or nearly-homogeneous non-abelian plasmas which possess an anisotropy in momentum space.
Chromo–Weibel instability
The Chromo–Weibel instability is a plasma instability present in homogeneous or nearly-homogeneous non-abelian plasmas which possess an anisotropy in momentum space.
The Chromo–Weibel instability is a plasma instability present in homogeneous or nearly-homogeneous non-abelian plasmas which possess an anisotropy in momentum space.
Cockcroft-Walton generator
The Cockcroft–Walton (CW) generator, or multiplier, is an electric circuit which generates a high DC voltage from a low voltage AC or pulsing DC input.
The Cockcroft–Walton (CW) generator, or multiplier, is an electric circuit which generates a high DC voltage from a low voltage AC or pulsing DC input.
Cockcroft–Walton generator
The Cockcroft–Walton (CW) generator, or multiplier, is an electric circuit which generates a high DC voltage from a low voltage AC or pulsing DC input.
The Cockcroft–Walton (CW) generator, or multiplier, is an electric circuit which generates a high DC voltage from a low voltage AC or pulsing DC input.
Color-flavor locking
Color–flavor locking (CFL) is a phenomenon that is expected to occur in ultra-high-density quark matter.
Color–flavor locking (CFL) is a phenomenon that is expected to occur in ultra-high-density quark matter.
Color–flavor locking
Color–flavor locking (CFL) is a phenomenon that is expected to occur in ultra-high-density quark matter.
Color–flavor locking (CFL) is a phenomenon that is expected to occur in ultra-high-density quark matter.
CompHEP
CompHEP is based on quantum theory of gauge fields, namely it uses the technique of squared Feynman diagrams at the tree level approximation.
CompHEP is based on quantum theory of gauge fields, namely it uses the technique of squared Feynman diagrams at the tree level approximation.
Computational particle physics
Computational particle physics refers to the methods and computing tools developed in and used by particle physics research.
Computational particle physics refers to the methods and computing tools developed in and used by particle physics research.
Continuous slowing down approximation range
The CSDA range is a very close approximation to the average path length traveled by a charged particle as it slows down to rest, calculated in the continuous-slowing-down approximation.
The CSDA range is a very close approximation to the average path length traveled by a charged particle as it slows down to rest, calculated in the continuous-slowing-down approximation.
Coulomb excitation
Coulomb excitation is the scattering of positively charged particles resulting from inelastic collision by a nucleus and excitation of the nucleus.
Coulomb excitation is the scattering of positively charged particles resulting from inelastic collision by a nucleus and excitation of the nucleus.
Cowan-Reines neutrino experiment
The neutrino experiment, also called the Cowan and Reines neutrino experiment, was performed by Clyde L. Cowan and Frederick Reines in 1956.
The neutrino experiment, also called the Cowan and Reines neutrino experiment, was performed by Clyde L. Cowan and Frederick Reines in 1956.
Cowan–Reines neutrino experiment
The neutrino experiment, also called the Cowan and Reines neutrino experiment, was performed by Clyde L. Cowan and Frederick Reines in 1956.
The neutrino experiment, also called the Cowan and Reines neutrino experiment, was performed by Clyde L. Cowan and Frederick Reines in 1956.
CP violation
In particle physics, CP violation is a violation of the postulated CP-symmetry: the combination of C-symmetry (charge conjugation symmetry) and P-symmetry (parity symmetry).
In particle physics, CP violation is a violation of the postulated CP-symmetry: the combination of C-symmetry (charge conjugation symmetry) and P-symmetry (parity symmetry).
Cross section (physics)
In nuclear and particle physics, the concept of a cross section is used to express the likelihood of interaction between particles.
In nuclear and particle physics, the concept of a cross section is used to express the likelihood of interaction between particles.
Curvaton
The curvaton is a hypothetical elementary particle which mediates a scalar field in early universe cosmology.
The curvaton is a hypothetical elementary particle which mediates a scalar field in early universe cosmology.
Dalitz plot
The Dalitz plot is a scatterplot often used in particle physics to represent the relative frequency of various (kinematically distinct) manners in which the products of certain (otherwise simila...
The Dalitz plot is a scatterplot often used in particle physics to represent the relative frequency of various (kinematically distinct) manners in which the products of certain (otherwise simila...
Dark matter
In astronomy and cosmology, dark matter is a type of matter hypothesized to account for a large part of the total mass in the universe.
In astronomy and cosmology, dark matter is a type of matter hypothesized to account for a large part of the total mass in the universe.
DarkSide (collaboration)
The DarkSide collaboration is an international affiliation of universities and labs seeking to directly detect dark matter in the form of Weakly Interacting Massive Particles.
The DarkSide collaboration is an international affiliation of universities and labs seeking to directly detect dark matter in the form of Weakly Interacting Massive Particles.
Data analysis
Analysis of data is a process of inspecting, cleaning, transforming, and modeling data with the goal of highlighting useful information, suggesting conclusions, and supporting decision making.
Analysis of data is a process of inspecting, cleaning, transforming, and modeling data with the goal of highlighting useful information, suggesting conclusions, and supporting decision making.
de Sitter invariant special relativity
In mathematical physics, de Sitter invariant special relativity is a speculative idea that the fundamental symmetry group of spacetime is that of de Sitter space.
In mathematical physics, de Sitter invariant special relativity is a speculative idea that the fundamental symmetry group of spacetime is that of de Sitter space.
Desert (particle physics)
In particle physics, the desert refers to a theorized gap in energy scales between the TeV scale and the GUT scale in which no new physics appears.
In particle physics, the desert refers to a theorized gap in energy scales between the TeV scale and the GUT scale in which no new physics appears.
Detection of Internally Reflected Cherenkov light
In particle physics experiments a Detection of Internally Reflected Cherenkov light detector measures the velocity of charged particles and is used for particle identification.
In particle physics experiments a Detection of Internally Reflected Cherenkov light detector measures the velocity of charged particles and is used for particle identification.
Detection of internally reflected Cherenkov light
In particle physics experiments a detection of internally reflected Cherenkov light detector measures the velocity of charged particles and is used for particle identification.
In particle physics experiments a detection of internally reflected Cherenkov light detector measures the velocity of charged particles and is used for particle identification.
DGLAP
DGLAP (Dokshitzer–Gribov–Lipatov–Altarelli–Parisi) are the authors who first wrote the QCD evolution equation of the same name.
DGLAP (Dokshitzer–Gribov–Lipatov–Altarelli–Parisi) are the authors who first wrote the QCD evolution equation of the same name.
Di-positronium
Di-positronium, or dipositronium, is a molecule consisting of two atoms of positronium.
Di-positronium, or dipositronium, is a molecule consisting of two atoms of positronium.
Dimensional deconstruction
In theoretical physics, dimensional deconstruction is a method to construct d-dimensional theories that behave as higher-dimensional theories in a certain range of energies.
In theoretical physics, dimensional deconstruction is a method to construct d-dimensional theories that behave as higher-dimensional theories in a certain range of energies.
Diquark
In quark–diquark models, a diquark, or diquark correlation/clustering, is the hypothetical state of two quarks grouped inside a baryon (that consists of three quarks) (Lichtenberg 1982).
In quark–diquark models, a diquark, or diquark correlation/clustering, is the hypothetical state of two quarks grouped inside a baryon (that consists of three quarks) (Lichtenberg 1982).
Double beta decay
Double beta decay is a radioactive decay process where a nucleus releases two beta rays as a single process.
Double beta decay is a radioactive decay process where a nucleus releases two beta rays as a single process.
Elastic scattering
In scattering theory and in particular in particle physics, elastic scattering is one of the specific forms of scattering.
In scattering theory and in particular in particle physics, elastic scattering is one of the specific forms of scattering.
Electron bubble
An electron bubble is the empty space created around a free electron in a cryogenic gas or liquid, such as neon or helium.
An electron bubble is the empty space created around a free electron in a cryogenic gas or liquid, such as neon or helium.
Electron electric dipole moment
The electron electric dipole moment de is an intrinsic property of an electron such that the potential energy is linearly related to the strength of the electric field: U=de·E.
The electron electric dipole moment de is an intrinsic property of an electron such that the potential energy is linearly related to the strength of the electric field: U=de·E.
Electron magnetic dipole moment
In atomic physics, the electron magnetic dipole moment is the magnetic moment of an electron caused by its intrinsic property of spin.
In atomic physics, the electron magnetic dipole moment is the magnetic moment of an electron caused by its intrinsic property of spin.
Electron–positron annihilation
Electron–positron annihilation occurs when an electron and a positron (, the electron's antiparticle) collide.
Electron–positron annihilation occurs when an electron and a positron (, the electron's antiparticle) collide.
Electroweak interaction
In particle physics, the electroweak interaction is the unified description of two of the four known fundamental interactions of nature: electromagnetism and the weak interaction.
In particle physics, the electroweak interaction is the unified description of two of the four known fundamental interactions of nature: electromagnetism and the weak interaction.
Elementary particle
In particle physics, an elementary particle or fundamental particle is a particle not known to have substructure; that is, it is not known to be made up of smaller particles.
In particle physics, an elementary particle or fundamental particle is a particle not known to have substructure; that is, it is not known to be made up of smaller particles.
Elliptic flow
The elliptic flow is described as one of the most important observations measured at the Relativistic Heavy Ion Collider.
The elliptic flow is described as one of the most important observations measured at the Relativistic Heavy Ion Collider.
Emission spectrum
The emission spectrum of a chemical element or chemical compound is the spectrum of frequencies of electromagnetic radiation emitted by the element's atoms or the compound's molecules when they...
The emission spectrum of a chemical element or chemical compound is the spectrum of frequencies of electromagnetic radiation emitted by the element's atoms or the compound's molecules when they...
Energy amplifier
In nuclear physics, an energy amplifier is a novel type of nuclear power reactor, a subcritical reactor, in which an energetic particle beam is used to stimulate a reaction, which in turn re...
In nuclear physics, an energy amplifier is a novel type of nuclear power reactor, a subcritical reactor, in which an energetic particle beam is used to stimulate a reaction, which in turn re...
Event generator
Event generators are software libraries that generate simulated high-energy particle physics events.
Event generators are software libraries that generate simulated high-energy particle physics events.
Exchange force
In physics the term exchange force has been used to describe two distinct concepts which should not be confused.
In physics the term exchange force has been used to describe two distinct concepts which should not be confused.
Exotic hadron
Exotic hadrons are subatomic particles made of quarks (and possibly gluons), but which do not fit into the usual scheme of hadrons.
Exotic hadrons are subatomic particles made of quarks (and possibly gluons), but which do not fit into the usual scheme of hadrons.
Exotic matter
In physics, exotic matter is a term which refers to matter which would somehow deviate from the norm and have "exotic" properties.
In physics, exotic matter is a term which refers to matter which would somehow deviate from the norm and have "exotic" properties.
Exotic particle
An exotic particle is a kind of theoretical particle said to exist by some areas of modern physics, and whose alleged properties are extremely unusual.
An exotic particle is a kind of theoretical particle said to exist by some areas of modern physics, and whose alleged properties are extremely unusual.
Faddeev equations
The Faddeev equations, named after their inventor Ludvig Faddeev, are equations that describe, at once, all the possible exchanges/interactions in a system of three particles in a fully quantum ...
The Faddeev equations, named after their inventor Ludvig Faddeev, are equations that describe, at once, all the possible exchanges/interactions in a system of three particles in a fully quantum ...
Fermi motion
The Fermi motion is the quantum motion of nucleons bound inside a nucleus.
The Fermi motion is the quantum motion of nucleons bound inside a nucleus.
Fermi's interaction
In particle physics, Fermi's interaction also known as Fermi coupling, is an old explanation of the weak force, proposed by Enrico Fermi, in which four fermions directly interact with one ...
In particle physics, Fermi's interaction also known as Fermi coupling, is an old explanation of the weak force, proposed by Enrico Fermi, in which four fermions directly interact with one ...
Fermion
In particle physics, a fermion (named after Enrico Fermi) is any particle which obeys the Fermi–Dirac statistics and follows the Pauli exclusion principle, which would include all quarks and lep...
In particle physics, a fermion (named after Enrico Fermi) is any particle which obeys the Fermi–Dirac statistics and follows the Pauli exclusion principle, which would include all quarks and lep...
Flavor-changing neutral current
In theoretical physics, flavor-changing neutral currents (FCNCs) are expressions that change the flavor of a fermion current without altering its electric charge.
In theoretical physics, flavor-changing neutral currents (FCNCs) are expressions that change the flavor of a fermion current without altering its electric charge.
Flipped SO(10)
Flipped SO is a grand unified theory which is to standard SO as flipped SU is to SU.
Flipped SO is a grand unified theory which is to standard SO as flipped SU is to SU.
Flipped SU(5)
The Flipped SU model is a Grand Unified Theory theory first contemplated by Stephen Barr in 1982, and by Dimitri Nanopoulos and others in 1984.
The Flipped SU model is a Grand Unified Theory theory first contemplated by Stephen Barr in 1982, and by Dimitri Nanopoulos and others in 1984.
Force carrier
A force between two particles can be described either as the action of a force field generated by one particle on the other, or in terms of the exchange of virtual force carrier particles betw...
A force between two particles can be described either as the action of a force field generated by one particle on the other, or in terms of the exchange of virtual force carrier particles betw...
Frank-Tamm formula
The Frank–Tamm formula yields the amount of Cherenkov radiation emitted on given frequency as a charged particle moves through a medium at superluminal velocity.
The Frank–Tamm formula yields the amount of Cherenkov radiation emitted on given frequency as a charged particle moves through a medium at superluminal velocity.
Frank–Tamm formula
The Frank–Tamm formula yields the amount of Cherenkov radiation emitted on given frequency as a charged particle moves through a medium at superluminal velocity.
The Frank–Tamm formula yields the amount of Cherenkov radiation emitted on given frequency as a charged particle moves through a medium at superluminal velocity.
Fundamental interaction
In particle physics, fundamental interactions are the ways that elementary particles interact with one another.
In particle physics, fundamental interactions are the ways that elementary particles interact with one another.
g-factor (physics)
A g-factor is a dimensionless quantity which characterizes the magnetic moment and gyromagnetic ratio of a particle or nucleus.
A g-factor is a dimensionless quantity which characterizes the magnetic moment and gyromagnetic ratio of a particle or nucleus.
GAMMA
GAMMA experiment is a study of: a) Primary cosmic ray energy spectra and elemental composition (abundances of the elements) at energies 1015-1018eV (so called knee energy region) ; ...
GAMMA experiment is a study of: a) Primary cosmic ray energy spectra and elemental composition (abundances of the elements) at energies 1015-1018eV (so called knee energy region) ; ...
Gauge boson
In particle physics, gauge bosons are bosonic particles that act as carriers of the fundamental forces of nature.
In particle physics, gauge bosons are bosonic particles that act as carriers of the fundamental forces of nature.
Geant4
Geant4 is a platform for "the simulation of the passage of particles through matter," using Monte Carlo methods.
Geant4 is a platform for "the simulation of the passage of particles through matter," using Monte Carlo methods.
Gell-Mann-Nishijima formula
The Gell-Mann–Nishijima formula (sometimes known as the NNG formula) relates the baryon number B, the strangeness S, the isospin I3 of hadrons to the charge Q.
The Gell-Mann–Nishijima formula (sometimes known as the NNG formula) relates the baryon number B, the strangeness S, the isospin I3 of hadrons to the charge Q.
Gell-Mann–Nishijima formula
The Gell-Mann–Nishijima formula (sometimes known as the NNG formula) relates the baryon number B, the strangeness S, the isospin I3 of hadrons to the charge Q.
The Gell-Mann–Nishijima formula (sometimes known as the NNG formula) relates the baryon number B, the strangeness S, the isospin I3 of hadrons to the charge Q.
Generation (particle physics)
In particle physics, a generation (or family) is a division of the elementary particles.
In particle physics, a generation (or family) is a division of the elementary particles.
Georgi-Glashow model
In particle physics, the Georgi–Glashow model is a particular grand unification theory (GUT) proposed by Howard Georgi and Sheldon Glashow in 1974.
In particle physics, the Georgi–Glashow model is a particular grand unification theory (GUT) proposed by Howard Georgi and Sheldon Glashow in 1974.
Georgi–Glashow model
In particle physics, the Georgi–Glashow model is a particular grand unification theory (GUT) proposed by Howard Georgi and Sheldon Glashow in 1974.
In particle physics, the Georgi–Glashow model is a particular grand unification theory (GUT) proposed by Howard Georgi and Sheldon Glashow in 1974.
Georgi–Jarlskog mass relation
In grand unified theories of the SU(5) or SO(10) type, there is a mass relation predicted between the electron and the down quark, the muon and the strange quark and the tau lepton and the bottom quar...
In grand unified theories of the SU(5) or SO(10) type, there is a mass relation predicted between the electron and the down quark, the muon and the strange quark and the tau lepton and the bottom quar...
Ghost condensate
In particle physics, a ghost condensate is a speculative proposal in which a ghost, an excitation of a field with a wrong sign of the kinetic term, acquires a vacuum expectation value.
In particle physics, a ghost condensate is a speculative proposal in which a ghost, an excitation of a field with a wrong sign of the kinetic term, acquires a vacuum expectation value.
Glueball
In particle physics, a glueball is a hypothetical composite particle.
In particle physics, a glueball is a hypothetical composite particle.
GlueX
GlueX will be a particle physics experiment located at the Thomas Jefferson National Accelerator Facility (JLab) accelerator.
GlueX will be a particle physics experiment located at the Thomas Jefferson National Accelerator Facility (JLab) accelerator.
Goldberger-Wise mechanism
In particle physics, the Goldberger–Wise mechanism is a popular mechanism that determines the size of the fifth dimension in Randall-Sundrum models.
In particle physics, the Goldberger–Wise mechanism is a popular mechanism that determines the size of the fifth dimension in Randall-Sundrum models.
Goldberger–Wise mechanism
In particle physics, the Goldberger–Wise mechanism is a popular mechanism that determines the size of the fifth dimension in Randall-Sundrum models.
In particle physics, the Goldberger–Wise mechanism is a popular mechanism that determines the size of the fifth dimension in Randall-Sundrum models.
Goldstino
The goldstino is the Nambu-Goldstone fermion emerging in the spontaneous breaking of supersymmetry.
The goldstino is the Nambu-Goldstone fermion emerging in the spontaneous breaking of supersymmetry.
Grand Unified Theory
A Grand Unified Theory,, is a model in particle physics in which at high energy, the three gauge interactions of the Standard Model which define the electromagnetic, weak, and strong interaction...
A Grand Unified Theory,, is a model in particle physics in which at high energy, the three gauge interactions of the Standard Model which define the electromagnetic, weak, and strong interaction...
Hadron
In particle physics, a hadron is a composite particle made of quarks held together by the strong force.
In particle physics, a hadron is a composite particle made of quarks held together by the strong force.
Hadron spectroscopy
Hadron spectroscopy is the subfield of particle physics that studies the masses and decays of hadrons.
Hadron spectroscopy is the subfield of particle physics that studies the masses and decays of hadrons.
Hagedorn temperature
The Hagedorn temperature in theoretical physics is the temperature above which the partition sum diverges in a system with exponential growth in the density of states.
The Hagedorn temperature in theoretical physics is the temperature above which the partition sum diverges in a system with exponential growth in the density of states.
HEPnet
HEPnet or the High-Energy Physics Network is a telecommunications network for researchers in high-energy physics.
HEPnet or the High-Energy Physics Network is a telecommunications network for researchers in high-energy physics.
Hidden sector
In particle physics, the term hidden sector refers to the collection of yet-unobserved quantum fields and the corresponding hypothetical particles that do not directly interact via the gauge bos...
In particle physics, the term hidden sector refers to the collection of yet-unobserved quantum fields and the corresponding hypothetical particles that do not directly interact via the gauge bos...
Hierarchy problem
In theoretical physics, a hierarchy problem occurs when the fundamental parameters of some Lagrangian are vastly different than the parameters measured by experiment.
In theoretical physics, a hierarchy problem occurs when the fundamental parameters of some Lagrangian are vastly different than the parameters measured by experiment.
Higgs boson
The Higgs boson is a hypothetical elementary particle predicted by the Standard Model of particle physics.
The Higgs boson is a hypothetical elementary particle predicted by the Standard Model of particle physics.
Higgs sector
In particle physics, the Higgs sector is the collection of quantum fields and/or particles that are responsible for the Higgs mechanism i.e. for the spontaneous symmetry breaking.
In particle physics, the Higgs sector is the collection of quantum fields and/or particles that are responsible for the Higgs mechanism i.e. for the spontaneous symmetry breaking.
Higgsless model
In particle physics, a Higgsless model is a model that does not involve the Higgs boson or in which the Higgs field is not dynamic.
In particle physics, a Higgsless model is a model that does not involve the Higgs boson or in which the Higgs field is not dynamic.
Hodoscope
A hodoscope is a type of detector used in particle physics which makes use of coincident detections to determine the trajectory of an energetic particle.
A hodoscope is a type of detector used in particle physics which makes use of coincident detections to determine the trajectory of an energetic particle.
Holeum
Holeums are stable, quantized gravitational bound states of primordial or micro black holes.
Holeums are stable, quantized gravitational bound states of primordial or micro black holes.
Holometer
The Fermilab Holometer in Illinois is currently under construction and will be the world's most sensitive laser interferometer when complete, surpassing the sensitivity of the GEO600 and LIGO sy...
The Fermilab Holometer in Illinois is currently under construction and will be the world's most sensitive laser interferometer when complete, surpassing the sensitivity of the GEO600 and LIGO sy...
Hot spot effect in subatomic physics
Hot spots in subatomic physics are regions of high energy density or temperature in hadronic or nuclear matter.
Hot spots in subatomic physics are regions of high energy density or temperature in hadronic or nuclear matter.
Hylogenesis
Hylogenesis is a physical theory about the mechanism behind the origins of dark matter and antimatter.
Hylogenesis is a physical theory about the mechanism behind the origins of dark matter and antimatter.
Hypercharge
In particle physics, the hypercharge Y of a particle is related to the strong interaction, and is distinct from the similarly named weak hypercharge, which has an analogous role in the elect...
In particle physics, the hypercharge Y of a particle is related to the strong interaction, and is distinct from the similarly named weak hypercharge, which has an analogous role in the elect...
Inelastic collision
An inelastic collision, in contrast to an elastic collision, is a collision in which kinetic energy is not conserved.
An inelastic collision, in contrast to an elastic collision, is a collision in which kinetic energy is not conserved.
Inelastic scattering
In particle physics and chemistry, inelastic scattering is a fundamental scattering process in which the kinetic energy of an incident particle is not conserved (in contrast to elastic scattering).
In particle physics and chemistry, inelastic scattering is a fundamental scattering process in which the kinetic energy of an incident particle is not conserved (in contrast to elastic scattering).
Inflaton
The inflaton is the generic name of the unidentified scalar field that may be responsible for inflation in the very early universe.
The inflaton is the generic name of the unidentified scalar field that may be responsible for inflation in the very early universe.
International Workshops on Lattice QCD and Numerical Analysis
The International Workshops on Lattice QCD and Numerical Analysis first started in 1995.
The International Workshops on Lattice QCD and Numerical Analysis first started in 1995.
Intrinsic parity
In quantum mechanics, the intrinsic parity is a phase factor that arises as an eigenvalue of the parity operation (a reflection about the origin).
In quantum mechanics, the intrinsic parity is a phase factor that arises as an eigenvalue of the parity operation (a reflection about the origin).
Ionization cooling
Ionization cooling is a process by which the beam emittance of a beam of particles may be reduced.
Ionization cooling is a process by which the beam emittance of a beam of particles may be reduced.
Isaak Pomeranchuk
Isaak Yakovlevich Pomeranchuk was a Soviet physicist, who was the founder and first head of the theory division at ITEP. The particle pomeron is named in his honour.
Isaak Yakovlevich Pomeranchuk was a Soviet physicist, who was the founder and first head of the theory division at ITEP. The particle pomeron is named in his honour.
Isoscalar
In particle physics, isoscalar refers to the scalar transformation of a particle or field under the SU(2) group of isospin.
In particle physics, isoscalar refers to the scalar transformation of a particle or field under the SU(2) group of isospin.
Isospin
In physics, and specifically, particle physics, isospin is a quantum number related to the strong interaction.
In physics, and specifically, particle physics, isospin is a quantum number related to the strong interaction.
Isospin multiplet
In particle physics, isospin multiplets are families of hadrons with approximately equal masses.
In particle physics, isospin multiplets are families of hadrons with approximately equal masses.
Isovector
In particle physics, isovector refers to the vector transformation of a particle under the SU(2) group of isospin.
In particle physics, isovector refers to the vector transformation of a particle under the SU(2) group of isospin.
Jet quenching
In high-energy physics, jet quenching is a phenomenon that can occur in the collision of ultra-high-energy particles.
In high-energy physics, jet quenching is a phenomenon that can occur in the collision of ultra-high-energy particles.
Kaluza-Klein theory
In physics, Kaluza–Klein theory (KK theory) is a model that seeks to unify the two fundamental forces of gravitation and electromagnetism.
In physics, Kaluza–Klein theory (KK theory) is a model that seeks to unify the two fundamental forces of gravitation and electromagnetism.
Kaluza–Klein theory
In physics, Kaluza–Klein theory (KK theory) is a model that seeks to unify the two fundamental forces of gravitation and electromagnetism.
In physics, Kaluza–Klein theory (KK theory) is a model that seeks to unify the two fundamental forces of gravitation and electromagnetism.
Kinetic term
In physics, a kinetic term is the part of the Lagrangian that is bilinear in the fields (this does not include the mass term!) (and for nonlinear sigma models, they are not even bilinear), and u...
In physics, a kinetic term is the part of the Lagrangian that is bilinear in the fields (this does not include the mass term!) (and for nonlinear sigma models, they are not even bilinear), and u...
Kramers-Heisenberg formula
The Kramers-Heisenberg dispersion formula is an expression for the cross section for scattering of a photon by an atomic electron.
The Kramers-Heisenberg dispersion formula is an expression for the cross section for scattering of a photon by an atomic electron.
Kramers–Heisenberg formula
The Kramers-Heisenberg dispersion formula is an expression for the cross section for scattering of a photon by an atomic electron.
The Kramers-Heisenberg dispersion formula is an expression for the cross section for scattering of a photon by an atomic electron.
Lambda baryon
In particle physics, lambda baryons are baryons containing an up quark, a down quark, and a third quark, either a strange quark, a charm quark or a bottom quark.
In particle physics, lambda baryons are baryons containing an up quark, a down quark, and a third quark, either a strange quark, a charm quark or a bottom quark.
Landau-Pomeranchuk-Migdal effect
In high-energy physics, the Landau–Pomeranchuk–Migdal effect, also known as the Landau–Pomeranchuk effect and the Pomeranchuk effect, or simply LPM effect, is a reduction of th...
In high-energy physics, the Landau–Pomeranchuk–Migdal effect, also known as the Landau–Pomeranchuk effect and the Pomeranchuk effect, or simply LPM effect, is a reduction of th...
Landau–Pomeranchuk–Migdal effect
In high-energy physics, the Landau–Pomeranchuk–Migdal effect, also known as the Landau–Pomeranchuk effect and the Pomeranchuk effect, or simply LPM effect, is a reduction of th...
In high-energy physics, the Landau–Pomeranchuk–Migdal effect, also known as the Landau–Pomeranchuk effect and the Pomeranchuk effect, or simply LPM effect, is a reduction of th...
Large extra dimension
In particle physics, the ADD model, also known as the model with large extra dimensions, is an alternative scenario to explain the weakness of gravity relative to the other forces.
In particle physics, the ADD model, also known as the model with large extra dimensions, is an alternative scenario to explain the weakness of gravity relative to the other forces.
Left-right symmetry
Left–right symmetry is a general principle in physics which holds that valid physical laws must not produce a different result for a motion that is left-handed than motion that is right-handed.
Left–right symmetry is a general principle in physics which holds that valid physical laws must not produce a different result for a motion that is left-handed than motion that is right-handed.
Left–right symmetry
Left–right symmetry is a general principle in physics which holds that valid physical laws must not produce a different result for a motion that is left-handed than motion that is right-handed.
Left–right symmetry is a general principle in physics which holds that valid physical laws must not produce a different result for a motion that is left-handed than motion that is right-handed.
Length scale
In physics, length scale is a particular length or distance determined with the precision of one order (or a few orders) of magnitude.
In physics, length scale is a particular length or distance determined with the precision of one order (or a few orders) of magnitude.
Leptogenesis (physics)
In physical cosmology, leptogenesis is the generic term for hypothetical physical processes that produced an asymmetry between leptons and antileptons in the very early universe, resulting in th...
In physical cosmology, leptogenesis is the generic term for hypothetical physical processes that produced an asymmetry between leptons and antileptons in the very early universe, resulting in th...
Lepton number
In particle physics, the lepton number is the number of leptons minus the number of antileptons.
In particle physics, the lepton number is the number of leptons minus the number of antileptons.
Leptoquark
Leptoquarks are hypothetical particles that carry information between quarks and leptons given a generation and allowing quarks and leptons to interact.
Leptoquarks are hypothetical particles that carry information between quarks and leptons given a generation and allowing quarks and leptons to interact.
Les Houches Accords
The Les Houches Accords are agreements between particle physicists to standardize the interface between the matrix element programs and the event generators used to calculate different quantities.
The Les Houches Accords are agreements between particle physicists to standardize the interface between the matrix element programs and the event generators used to calculate different quantities.
Light dark matter
In astronomy and cosmology, light dark matter refers to dark matter Weakly interacting massive particle (WIMP) candidates with masses less than 1 GeV. These particles are heavier than warm dark ...
In astronomy and cosmology, light dark matter refers to dark matter Weakly interacting massive particle (WIMP) candidates with masses less than 1 GeV. These particles are heavier than warm dark ...
Little hierarchy problem
In MSSM, the little hierarchy problem is a refinement of the hierarchy problem, namely a puzzle whose existence is already well established.
In MSSM, the little hierarchy problem is a refinement of the hierarchy problem, namely a puzzle whose existence is already well established.
Little Higgs
In particle physics, little Higgs models are based on the idea that the Higgs boson is a pseudo-Goldstone boson arising from some global symmetry breaking at a TeV energy scale.
In particle physics, little Higgs models are based on the idea that the Higgs boson is a pseudo-Goldstone boson arising from some global symmetry breaking at a TeV energy scale.
Logarithmic Schrödinger equation
In theoretical physics, the Logarithmic Schrödinger equation (sometimes abbreviated as LNSE or LogSE) is one of the nonlinear modifications of Schrödinger's equation.
In theoretical physics, the Logarithmic Schrödinger equation (sometimes abbreviated as LNSE or LogSE) is one of the nonlinear modifications of Schrödinger's equation.
Majorana fermion
A Majorana fermion is a fermion that is its own anti-particle.
A Majorana fermion is a fermion that is its own anti-particle.
Majoron
In particle physics, majorons (named after Ettore Majorana) are a hypothetical type of Goldstone boson that are theorized to mediate the neutrino mass violation of lepton number or B − L...
In particle physics, majorons (named after Ettore Majorana) are a hypothetical type of Goldstone boson that are theorized to mediate the neutrino mass violation of lepton number or B − L...
Mandelstam variables
In theoretical physics, the Mandelstam variables are numerical quantities that encode the energy, momentum, and angles of particles in a scattering process in a Lorentz-invariant fashion.
In theoretical physics, the Mandelstam variables are numerical quantities that encode the energy, momentum, and angles of particles in a scattering process in a Lorentz-invariant fashion.
Mass gap
In quantum field theory, the mass gap is the difference in energy between the vacuum and the next lowest energy state.
In quantum field theory, the mass gap is the difference in energy between the vacuum and the next lowest energy state.
Massive particle
The term "Massive Particle" refers to particles which have mass.
The term "Massive Particle" refers to particles which have mass.
Massless particle
A massless particle is a particle whose invariant mass is zero.
A massless particle is a particle whose invariant mass is zero.
Material Point Method
The Material Point Method (MPM), is an extension of the Particle-in-cell (PIC) Method in computational fluid dynamics to computational solid dynamics, and is a Finite element method (FEM)-based ...
The Material Point Method (MPM), is an extension of the Particle-in-cell (PIC) Method in computational fluid dynamics to computational solid dynamics, and is a Finite element method (FEM)-based ...
Matter creation
Matter creation is the process inverse to particle annihilation.
Matter creation is the process inverse to particle annihilation.
Meitner-Hupfeld effect
The Meitner–Hupfeld effect is an anomalously large scattering of Gamma rays by heavy elements.
The Meitner–Hupfeld effect is an anomalously large scattering of Gamma rays by heavy elements.
Meitner–Hupfeld effect
The Meitner–Hupfeld effect is an anomalously large scattering of Gamma rays by heavy elements.
The Meitner–Hupfeld effect is an anomalously large scattering of Gamma rays by heavy elements.
Mesonic molecule
A mesonic molecule is a set of two or more mesons bound together by the strong force.
A mesonic molecule is a set of two or more mesons bound together by the strong force.
Mikheyev-Smirnov-Wolfenstein effect
The Mikheyev–Smirnov–Wolfenstein effect (often referred to as matter effect) is a particle physics process which can act to modify neutrino oscillations in matter.
The Mikheyev–Smirnov–Wolfenstein effect (often referred to as matter effect) is a particle physics process which can act to modify neutrino oscillations in matter.
Mikheyev-Smirnov–Wolfenstein effect
The Mikheyev–Smirnov–Wolfenstein effect is a particle physics process which can act to modify neutrino oscillations in matter.
The Mikheyev–Smirnov–Wolfenstein effect is a particle physics process which can act to modify neutrino oscillations in matter.
Mikheyev–Smirnov–Wolfenstein effect
The Mikheyev–Smirnov–Wolfenstein effect (often referred to as matter effect) is a particle physics process which can act to modify neutrino oscillations in matter.
The Mikheyev–Smirnov–Wolfenstein effect (often referred to as matter effect) is a particle physics process which can act to modify neutrino oscillations in matter.
Minimal coupling
In physics, minimal coupling refers to a coupling between fields which involves only the charge distribution and not higher multipole moments of the charge distribution.
In physics, minimal coupling refers to a coupling between fields which involves only the charge distribution and not higher multipole moments of the charge distribution.
Minimal Supersymmetric Standard Model
The Minimal Supersymmetric Standard Model (MSSM) is the minimal extension to the Standard Model that realizes N=1 supersymmetry, although non-minimal extensions do exist.
The Minimal Supersymmetric Standard Model (MSSM) is the minimal extension to the Standard Model that realizes N=1 supersymmetry, although non-minimal extensions do exist.
Mirror matter
In physics, mirror matter, also called shadow matter or Alice matter, is a hypothetical counterpart to ordinary matter.
In physics, mirror matter, also called shadow matter or Alice matter, is a hypothetical counterpart to ordinary matter.
Model building (particle physics)
In particle physics, the term model building refers to a construction of new quantum field theories beyond the Standard Model that have certain features making them attractive theoretically or f...
In particle physics, the term model building refers to a construction of new quantum field theories beyond the Standard Model that have certain features making them attractive theoretically or f...
Molière radius
The Molière radius is a characteristic constant of a material giving the scale of the transverse dimension of the fully contained electromagnetic showers initiated by an incident high energy ele...
The Molière radius is a characteristic constant of a material giving the scale of the transverse dimension of the fully contained electromagnetic showers initiated by an incident high energy ele...
Momentum transfer
In particle physics, wave mechanics and optics, momentum transfer is the amount of momentum that one particle gives to another particle.
In particle physics, wave mechanics and optics, momentum transfer is the amount of momentum that one particle gives to another particle.
MSSM Higgs Mass
The MSSM Higgs Mass is a prediction of the Minimal Supersymmetric Standard Model.
The MSSM Higgs Mass is a prediction of the Minimal Supersymmetric Standard Model.
Multiplicative quantum number
In quantum field theory, multiplicative quantum numbers are conserved quantum numbers of a special kind.
In quantum field theory, multiplicative quantum numbers are conserved quantum numbers of a special kind.
National Synchrotron Light Source
The National Synchrotron Light Source at Brookhaven National Laboratory in Upton, New York is a national user research facility funded by the U.S. Department of Energy.
The National Synchrotron Light Source at Brookhaven National Laboratory in Upton, New York is a national user research facility funded by the U.S. Department of Energy.
Naturalness (physics)
Naturalness is the property that all parameters (that are pure numbers) appearing in a theory take values of order 1 (that is, 2.34 rather than 234000).
Naturalness is the property that all parameters (that are pure numbers) appearing in a theory take values of order 1 (that is, 2.34 rather than 234000).
ND Experiment
Neutral Detector (ND) is a detector for particle physics experiments created by the team of physicists in the Budker Institute of Nuclear Physics (BINP), Novosibirsk, Russia.
Neutral Detector (ND) is a detector for particle physics experiments created by the team of physicists in the Budker Institute of Nuclear Physics (BINP), Novosibirsk, Russia.
Neutral current
Weak neutral current interactions are one of the ways in which subatomic particles can interact by means of the weak force.
Weak neutral current interactions are one of the ways in which subatomic particles can interact by means of the weak force.
Neutral heavy lepton
Neutral heavy leptons (NHL) arise in some extensions to the Standard Model (SM) of particle physics.
Neutral heavy leptons (NHL) arise in some extensions to the Standard Model (SM) of particle physics.
Neutral particle
In physics, a neutral particle is a particle with no electric charge.
In physics, a neutral particle is a particle with no electric charge.
Neutral particle oscillation
In particle physics, neutral particle oscillation is the transmutation of a neutral particle with nonzero internal quantum numbers into its antiparticle.
In particle physics, neutral particle oscillation is the transmutation of a neutral particle with nonzero internal quantum numbers into its antiparticle.
Neutron detection
Neutron detection is the effective detection of neutrons entering a well-positioned detector.
Neutron detection is the effective detection of neutrons entering a well-positioned detector.
NMSSM
In particle physics, NMSSM is an acronym for Next-to-Minimal Supersymmetric Standard Model .It is a supersymmetric extension to the Standard Model that adds an additional singlet chiral s...
In particle physics, NMSSM is an acronym for Next-to-Minimal Supersymmetric Standard Model .It is a supersymmetric extension to the Standard Model that adds an additional singlet chiral s...
Noncommutative standard model
In theoretical particle physics, the non-commutative Standard Model, mainly due to the French mathematician Alain Connes, uses his noncommutative geometry to devise an extension of the Standard ...
In theoretical particle physics, the non-commutative Standard Model, mainly due to the French mathematician Alain Connes, uses his noncommutative geometry to devise an extension of the Standard ...
Nonoblique correction
In particle physics, a nonoblique correction, also called a direct correction, refers to a particular type of radiative correction to the electroweak sector of the Standard Model.
In particle physics, a nonoblique correction, also called a direct correction, refers to a particular type of radiative correction to the electroweak sector of the Standard Model.
NPDGamma
NPDGamma is an ongoing effort to measure the parity-violating asymmetry in polarized cold neutron capture on parahydrogen.
NPDGamma is an ongoing effort to measure the parity-violating asymmetry in polarized cold neutron capture on parahydrogen.
Nuclear emulsion
In a Particle and Nuclear physics, a nuclear emulsion plate is a photographic plate with a particularly thick emulsion layer and with a very uniform grain size.
In a Particle and Nuclear physics, a nuclear emulsion plate is a photographic plate with a particularly thick emulsion layer and with a very uniform grain size.
Nuclear structure
This is one of the first models of nuclear structure, proposed by Carl Friedrich von Weizsäcker in 1935.
This is one of the first models of nuclear structure, proposed by Carl Friedrich von Weizsäcker in 1935.
Nucleon spin structure
Nucleon spin structure describes the partonic structure of nucleon intrinsic angular momentum.
Nucleon spin structure describes the partonic structure of nucleon intrinsic angular momentum.
Oblique correction
In particle physics, an oblique correction refers to a particular type of radiative correction to the electroweak sector of the Standard Model.
In particle physics, an oblique correction refers to a particular type of radiative correction to the electroweak sector of the Standard Model.
Onium
An onium is the bound state of a particle and its antiparticle.
An onium is the bound state of a particle and its antiparticle.
Pair production
Pair production refers to the creation of an elementary particle and its antiparticle, usually when a photon interacts with a nucleus.
Pair production refers to the creation of an elementary particle and its antiparticle, usually when a photon interacts with a nucleus.
PANDA experiment
The PANDA experiment is a planned particle physics experiment at the Facility for Antiproton and Ion Research in Darmstadt.
The PANDA experiment is a planned particle physics experiment at the Facility for Antiproton and Ion Research in Darmstadt.
Parity (physics)
In physics, a parity transformation (also called parity inversion) is the flip in the sign of one spatial coordinate.
In physics, a parity transformation (also called parity inversion) is the flip in the sign of one spatial coordinate.
Particle
In the physical sciences, a particle is a small localized object to which can be ascribed several physical properties such as volume or mass.
In the physical sciences, a particle is a small localized object to which can be ascribed several physical properties such as volume or mass.
Particle accelerators in popular culture
Particle accelerators in popular culture is about popular science books, fictional literature, feature films, TV series and other venues which include particle accelerators as part of their content.
Particle accelerators in popular culture is about popular science books, fictional literature, feature films, TV series and other venues which include particle accelerators as part of their content.
Particle Data Group
The Particle Data Group (or PDG) is an international collaboration of particle physicists that compiles and reanalyzes published results related to the properties of particles and fundamen...
The Particle Data Group (or PDG) is an international collaboration of particle physicists that compiles and reanalyzes published results related to the properties of particles and fundamen...
Particle decay
Particle decay is the spontaneous process of one elementary particle transforming into other elementary particles.
Particle decay is the spontaneous process of one elementary particle transforming into other elementary particles.
Particle physics
Particle physics is a branch of physics that studies the existence and interactions of particles that are the constituents of what is usually referred to as matter or radiation.
Particle physics is a branch of physics that studies the existence and interactions of particles that are the constituents of what is usually referred to as matter or radiation.
Particle physics and representation theory
In physics, the connection between particle physics and representation theory is a natural connection, first noted by Eugene Wigner, between the properties of elementary particles and the repres...
In physics, the connection between particle physics and representation theory is a natural connection, first noted by Eugene Wigner, between the properties of elementary particles and the repres...
Particle physics experiments
Particle physics experiments briefly discusses a number of past, present, and proposed experiments with particle accelerators, throughout the world.
Particle physics experiments briefly discusses a number of past, present, and proposed experiments with particle accelerators, throughout the world.
Particle therapy
Particle therapy is a form of external beam radiotherapy using beams of energetic protons, neutrons, or positive ions for cancer treatment.
Particle therapy is a form of external beam radiotherapy using beams of energetic protons, neutrons, or positive ions for cancer treatment.
Particle zoo
In particle physics, the term particle zoo is used colloquially to describe a relatively extensive list of the known elementary particles that almost look like hundreds of species in the zoo.
In particle physics, the term particle zoo is used colloquially to describe a relatively extensive list of the known elementary particles that almost look like hundreds of species in the zoo.
Particle-induced X-ray emission
Particle-induced X-ray emission or proton-induced X-ray emission (PIXE) is a technique used in the determining of the elemental make-up of a material or sample.
Particle-induced X-ray emission or proton-induced X-ray emission (PIXE) is a technique used in the determining of the elemental make-up of a material or sample.
Parton (particle physics)
In particle physics, the parton model was proposed by Richard Feynman in 1969 as a way to analyze high-energy hadron collisions.
In particle physics, the parton model was proposed by Richard Feynman in 1969 as a way to analyze high-energy hadron collisions.
Pati-Salam model
In physics, the Pati–Salam model is a Grand Unification Theory (GUT) was proposed in 1974 by nobel laureate Abdus Salam and Jogesh Pati.
In physics, the Pati–Salam model is a Grand Unification Theory (GUT) was proposed in 1974 by nobel laureate Abdus Salam and Jogesh Pati.
Pati–Salam model
RfyyIn physics, the Pati–Salam model is a Grand Unification Theory was proposed in 1974 by nobel laureate Abdus Salam and Jogesh Pati.
RfyyIn physics, the Pati–Salam model is a Grand Unification Theory was proposed in 1974 by nobel laureate Abdus Salam and Jogesh Pati.
Payload for Antimatter Matter Exploration and Light-nuclei Astrophysics
PAMELA (Payload for Antimatter Matter Exploration and Light-nuclei Astrophysics) is an operational cosmic ray research module attached to an Earth orbiting sa...
PAMELA (Payload for Antimatter Matter Exploration and Light-nuclei Astrophysics) is an operational cosmic ray research module attached to an Earth orbiting sa...
Peccei-Quinn theory
In particle physics, the Peccei–Quinn theory is the best known proposal for the resolution of the strong CP problem.
In particle physics, the Peccei–Quinn theory is the best known proposal for the resolution of the strong CP problem.
Peccei–Quinn theory
In particle physics, the Peccei–Quinn theory is the best known proposal for the resolution of the strong CP problem.
In particle physics, the Peccei–Quinn theory is the best known proposal for the resolution of the strong CP problem.
Peskin–Takeuchi parameter
In particle physics, the Peskin–Takeuchi parameters are a set of three measurable quantities, called S, T, and U, that parameterize potential new physics contributions to electroweak...
In particle physics, the Peskin–Takeuchi parameters are a set of three measurable quantities, called S, T, and U, that parameterize potential new physics contributions to electroweak...
Phenomenology (particle physics)
Particle physics phenomenology is the part of theoretical particle physics that deals with the application of theory to high-energy particle physics experiments.
Particle physics phenomenology is the part of theoretical particle physics that deals with the application of theory to high-energy particle physics experiments.
Photoinduced charge separation
Photoinduced charge separation is the process of an electron in an atom being excited to a higher energy level by the absorption of a photon and then leaving the atom to a nearby electron acceptor.
Photoinduced charge separation is the process of an electron in an atom being excited to a higher energy level by the absorption of a photon and then leaving the atom to a nearby electron acceptor.
Photothermal effect
Photothermal effect is a phenomenon associated with electromagnetic radiation.
Photothermal effect is a phenomenon associated with electromagnetic radiation.
Physics beyond the Standard Model
Physics beyond the Standard Model refers to the theoretical developments needed to explain the deficiencies of the Standard Model, such as the origin of mass, the strong CP problem, neutrino osc...
Physics beyond the Standard Model refers to the theoretical developments needed to explain the deficiencies of the Standard Model, such as the origin of mass, the strong CP problem, neutrino osc...
PICASSO
The PICASSO PICASSO experiment is an experiment searching for direct evidence of dark matter.
The PICASSO PICASSO experiment is an experiment searching for direct evidence of dark matter.
Planck scale
In particle physics and physical cosmology, the Planck scale is an energy scale around 1.22 × 1019 GeV at which quantum effects of gravity become strong.
In particle physics and physical cosmology, the Planck scale is an energy scale around 1.22 × 1019 GeV at which quantum effects of gravity become strong.
Poincaré group
In physics and mathematics, the Poincaré group, named after Henri Poincaré, is the group of isometries of Minkowski spacetime.
In physics and mathematics, the Poincaré group, named after Henri Poincaré, is the group of isometries of Minkowski spacetime.
Pomeron
In physics, the pomeron is a Regge trajectory, a family of particles with increasing spin, postulated in 1961 to explain the slowly rising cross section of hadronic collisions at high energies.
In physics, the pomeron is a Regge trajectory, a family of particles with increasing spin, postulated in 1961 to explain the slowly rising cross section of hadronic collisions at high energies.
Positronium
Positronium is a system consisting of an electron and its anti-particle, a positron, bound together into an "exotic atom".
Positronium is a system consisting of an electron and its anti-particle, a positron, bound together into an "exotic atom".
Positronium hydride
Positronium hydride is a molecule consisting of an atom of positronium, and one of hydrogen.
Positronium hydride is a molecule consisting of an atom of positronium, and one of hydrogen.
Preon
In particle physics, preons are postulated "point-like" particles, conceived to be subcomponents of quarks and leptons.
In particle physics, preons are postulated "point-like" particles, conceived to be subcomponents of quarks and leptons.
Primakoff effect
Primakoff effect (after Henry Primakoff) is the resonant production of neutral pseudoscalar mesons by high-energy photons interacting with an atomic nucleus.
Primakoff effect (after Henry Primakoff) is the resonant production of neutral pseudoscalar mesons by high-energy photons interacting with an atomic nucleus.
Proton decay
In particle physics, proton decay is a hypothetical form of radioactive decay in which the proton decays into lighter subatomic particles, such as a neutral pion and a positron.
In particle physics, proton decay is a hypothetical form of radioactive decay in which the proton decays into lighter subatomic particles, such as a neutral pion and a positron.
Proton-antiproton annihilation
In physics, proton–antiproton annihilation is the process that occurs when a proton, a subatomic particle, collides with its respective antiparticle, the antiproton.
In physics, proton–antiproton annihilation is the process that occurs when a proton, a subatomic particle, collides with its respective antiparticle, the antiproton.
Q-ball
In theoretical physics, Q-ball refers to a type of non-topological soliton.
In theoretical physics, Q-ball refers to a type of non-topological soliton.
QCD matter
Quark matter or QCD matter (see QCD) refers to any of a number of theorized phases of matter whose degrees of freedom include quarks and gluons.
Quark matter or QCD matter (see QCD) refers to any of a number of theorized phases of matter whose degrees of freedom include quarks and gluons.
QED vacuum
The quantum electrodynamic vacuum or QED vacuum is the field-theoretic vacuum of quantum electrodynamics.
The quantum electrodynamic vacuum or QED vacuum is the field-theoretic vacuum of quantum electrodynamics.
Quantum chromodynamics
In theoretical physics, quantum chromodynamics (QCD) is a theory of the strong interaction (color force), a fundamental force describing the interactions between quarks and gluons which ma...
In theoretical physics, quantum chromodynamics (QCD) is a theory of the strong interaction (color force), a fundamental force describing the interactions between quarks and gluons which ma...
Quantum electrodynamics
Quantum electrodynamics is the relativistic quantum field theory of electrodynamics.
Quantum electrodynamics is the relativistic quantum field theory of electrodynamics.
Quantum flavordynamics
In quantum mechanics, Quantum Flavordynamics (or "Flavourdynamics") is a mathematical model used to describe the interaction of flavored particles through the exchange of intermediate vector bos...
In quantum mechanics, Quantum Flavordynamics (or "Flavourdynamics") is a mathematical model used to describe the interaction of flavored particles through the exchange of intermediate vector bos...
Quantum tunnelling
Quantum tunnelling refers to the quantum mechanical phenomenon where a particle tunnels through a barrier that it classically could not surmount.
Quantum tunnelling refers to the quantum mechanical phenomenon where a particle tunnels through a barrier that it classically could not surmount.
Quark-lepton complementarity
The quark–lepton complementarity (QLC) is a possible fundamental symmetry between quarks and leptons.
The quark–lepton complementarity (QLC) is a possible fundamental symmetry between quarks and leptons.
Quark–lepton complementarity
The quark–lepton complementarity (QLC) is a possible fundamental symmetry between quarks and leptons.
The quark–lepton complementarity (QLC) is a possible fundamental symmetry between quarks and leptons.
R-hadron
R-hadrons are hypothetical particles composed by a Supersymmetric particle and at least one quark.
R-hadrons are hypothetical particles composed by a Supersymmetric particle and at least one quark.
Radiation damping
Radiation damping in accelerator physics is a way of reducing the beam emittance of a high-velocity beam of charged particles.
Radiation damping in accelerator physics is a way of reducing the beam emittance of a high-velocity beam of charged particles.
Radiative process
In particle physics, a radiative process refers to one elementary particle emitting another and continuing to exist.
In particle physics, a radiative process refers to one elementary particle emitting another and continuing to exist.
Radioactive Ion Beam Optimization
RIBO stands for the Radioactive Ion Beam Optimization, a concept closely linked to the extraction of rare isotopes from targets.
RIBO stands for the Radioactive Ion Beam Optimization, a concept closely linked to the extraction of rare isotopes from targets.
Randall-Sundrum model
In physics, Randall–Sundrum models (also called 5-dimensional warped geometry theory) imagine that the real world is a higher-dimensional Universe described by warped geometry.
In physics, Randall–Sundrum models (also called 5-dimensional warped geometry theory) imagine that the real world is a higher-dimensional Universe described by warped geometry.
Randall–Sundrum model
In physics, Randall–Sundrum models (also called 5-dimensional warped geometry theory) imagine that the real world is a higher-dimensional Universe described by warped geometry.
In physics, Randall–Sundrum models (also called 5-dimensional warped geometry theory) imagine that the real world is a higher-dimensional Universe described by warped geometry.
Range (particle radiation)
The distance to this point is called the range of the particle.
The distance to this point is called the range of the particle.
Real neutral particle
In particle physics, a real neutral particle is an elementary particle that is its own antiparticle.
In particle physics, a real neutral particle is an elementary particle that is its own antiparticle.
Regge theory
In quantum physics, Regge theory is the study of the analytic properties of scattering as a function of angular momentum, where the angular momentum is not restricted to be an integer but is all...
In quantum physics, Regge theory is the study of the analytic properties of scattering as a function of angular momentum, where the angular momentum is not restricted to be an integer but is all...
Renormalization
In quantum field theory, the statistical mechanics of fields, and the theory of self-similar geometric structures, renormalization is any of a collection of techniques used to treat infinities a...
In quantum field theory, the statistical mechanics of fields, and the theory of self-similar geometric structures, renormalization is any of a collection of techniques used to treat infinities a...
Resonance (particle physics)
In particle physics, a resonance is the peak located around a certain energy found in differential cross sections of scattering experiments.
In particle physics, a resonance is the peak located around a certain energy found in differential cross sections of scattering experiments.
RF antenna ion source
An RF antenna ion source (or radio frequency antenna ion source) is an internal multi-cusp design that can produce a particle beam of about ~30 to 40 mA current.
An RF antenna ion source (or radio frequency antenna ion source) is an internal multi-cusp design that can produce a particle beam of about ~30 to 40 mA current.
Rishon model
The rishon model (RM) is the earliest efforts to develop a preon model to explain the phenomena appearing in the Standard Model (SM) of particle physics.
The rishon model (RM) is the earliest efforts to develop a preon model to explain the phenomena appearing in the Standard Model (SM) of particle physics.
S-matrix theory
S-matrix theory was a proposal for replacing local quantum field theory as the basic principle of elementary particle physics.
S-matrix theory was a proposal for replacing local quantum field theory as the basic principle of elementary particle physics.
Scalar field dark matter
In astrophysics and cosmology scalar field dark matter is a classical, minimally coupled, real scalar field postulated to account for the inferred dark matter.
In astrophysics and cosmology scalar field dark matter is a classical, minimally coupled, real scalar field postulated to account for the inferred dark matter.
Scattering
Scattering is a general physical process where some forms of radiation, such as light, sound, or moving particles, are forced to deviate from a straight trajectory by one or more localized non-u...
Scattering is a general physical process where some forms of radiation, such as light, sound, or moving particles, are forced to deviate from a straight trajectory by one or more localized non-u...
Scherk–Schwarz mechanism
In theoretical physics, the Scherk–Schwarz mechanism for a field φ basically means that φ is a section of a non-trivializable fiber bundle (not necessarily a vector bundle since φ needn't be lin...
In theoretical physics, the Scherk–Schwarz mechanism for a field φ basically means that φ is a section of a non-trivializable fiber bundle (not necessarily a vector bundle since φ needn't be lin...
Schrödinger field
In quantum mechanics and quantum field theory, a Schrödinger field, named after Erwin Schrödinger, is a quantum field which obeys the Schrödinger equation.
In quantum mechanics and quantum field theory, a Schrödinger field, named after Erwin Schrödinger, is a quantum field which obeys the Schrödinger equation.
Seesaw mechanism
In theoretical physics, the seesaw mechanism is a mechanism within grand unification theory, and in particular in theories of neutrino masses and neutrino oscillation, where it can be used to ex...
In theoretical physics, the seesaw mechanism is a mechanism within grand unification theory, and in particular in theories of neutrino masses and neutrino oscillation, where it can be used to ex...
Semileptonic decay
In particle physics the semileptonic decay of a hadron refers to a decay through the weak interaction in which one lepton (and the corresponding neutrino) is produced in addition to one or more ...
In particle physics the semileptonic decay of a hadron refers to a decay through the weak interaction in which one lepton (and the corresponding neutrino) is produced in addition to one or more ...
Sequestering
Sequestering has different meanings in different contexts.
Sequestering has different meanings in different contexts.
Shashlik (physics)
In high energy physics detectors, shashlik refers to a pile of alternating slices of absorber (e.g.
In high energy physics detectors, shashlik refers to a pile of alternating slices of absorber (e.g.
SIMPLE (dark matter)
SIMPLE (Superheated Instrument for Massive ParticLe Experiments) is an experiment search for direct evidence of dark matter.
SIMPLE (Superheated Instrument for Massive ParticLe Experiments) is an experiment search for direct evidence of dark matter.
Skyrmion
In theoretical physics, a skyrmion is a mathematical model used to model baryons.
In theoretical physics, a skyrmion is a mathematical model used to model baryons.
SLAC National Accelerator Laboratory
The SLAC National Accelerator Laboratory, originally named Stanford Linear Accelerator Center, is a United States Department of Energy National Laboratory operated by Stanford University...
The SLAC National Accelerator Laboratory, originally named Stanford Linear Accelerator Center, is a United States Department of Energy National Laboratory operated by Stanford University...
SND Experiment
Spherical Neutral Detector is a detector for particle physics experiments, successor of the Neutral Detector, created by the team of physicists in the Budker Institute of Nuclear Physics, Novo...
Spherical Neutral Detector is a detector for particle physics experiments, successor of the Neutral Detector, created by the team of physicists in the Budker Institute of Nuclear Physics, Novo...
SO(10) (physics)
In particle physics, one of the grand unified theories is based on the SO Lie group.
In particle physics, one of the grand unified theories is based on the SO Lie group.
Soft photons
In particle physics, soft photons are photons with energies much smaller than the energies of the particles participating in a particular scattering process, and they are not energetic enough to...
In particle physics, soft photons are photons with energies much smaller than the energies of the particles participating in a particular scattering process, and they are not energetic enough to...
Sokolov-Ternov effect
The Sokolov–Ternov effect is the effect of self-polarization of relativistic electrons or positrons moving at high energy in a magnetic field.
The Sokolov–Ternov effect is the effect of self-polarization of relativistic electrons or positrons moving at high energy in a magnetic field.
Sokolov–Ternov effect
The Sokolov–Ternov effect is the effect of self-polarization of relativistic electrons or positrons moving at high energy in a magnetic field.
The Sokolov–Ternov effect is the effect of self-polarization of relativistic electrons or positrons moving at high energy in a magnetic field.
Solar neutrino problem
The solar neutrino problem was a major discrepancy between measurements of the numbers of neutrinos flowing through the Earth and theoretical models of the solar interior, lasting from the mid-1...
The solar neutrino problem was a major discrepancy between measurements of the numbers of neutrinos flowing through the Earth and theoretical models of the solar interior, lasting from the mid-1...
Spallation
In general, spallation is a process in which fragments of material (spall) are ejected from a body due to impact or stress.
In general, spallation is a process in which fragments of material (spall) are ejected from a body due to impact or stress.
Standard Model
The Standard Model of particle physics is a theory concerning the electromagnetic, weak, and strong nuclear interactions, which mediate the dynamics of the known subatomic particles.
The Standard Model of particle physics is a theory concerning the electromagnetic, weak, and strong nuclear interactions, which mediate the dynamics of the known subatomic particles.
Standard Model (mathematical formulation)
The standard model Lagrangian consists of another similar term constructed using the gluon field tensor.
The standard model Lagrangian consists of another similar term constructed using the gluon field tensor.
Standard Solar Model
The Standard Solar Model refers to a mathematical treatment of the Sun as a spherical ball of gas.
The Standard Solar Model refers to a mathematical treatment of the Sun as a spherical ball of gas.
Standard solar model
The Standard Solar Model refers to a mathematical treatment of the Sun as a spherical ball of gas.
The Standard Solar Model refers to a mathematical treatment of the Sun as a spherical ball of gas.
Sterile neutrino
Sterile neutrinos are a hypothetical type of neutrino that do not interact via any of the fundamental interactions of the Standard Model except gravity: real neutral particles.
Sterile neutrinos are a hypothetical type of neutrino that do not interact via any of the fundamental interactions of the Standard Model except gravity: real neutral particles.
Stochastic electrodynamics
In theoretical physics, Stochastic Electrodynamics is a variant of Classical Electrodynamics which posits the existence of a classical Lorentz Invariant radiation field having statistical proper...
In theoretical physics, Stochastic Electrodynamics is a variant of Classical Electrodynamics which posits the existence of a classical Lorentz Invariant radiation field having statistical proper...
Strangelet
A strangelet is a hypothetical particle consisting of a bound state of roughly equal numbers of up, down, and strange quarks.
A strangelet is a hypothetical particle consisting of a bound state of roughly equal numbers of up, down, and strange quarks.
Strangeness
In particle physics, strangeness S is a property of particles, expressed as a quantum number, for describing decay of particles in strong and electromagnetic reactions, which occur in a shor...
In particle physics, strangeness S is a property of particles, expressed as a quantum number, for describing decay of particles in strong and electromagnetic reactions, which occur in a shor...
Strangeness production
Strangeness production is a signature and a diagnostic tool of quark-gluon plasma (or QGP) formation and properties.
Strangeness production is a signature and a diagnostic tool of quark-gluon plasma (or QGP) formation and properties.
String theory
String theory is an active research framework in particle physics that attempts to reconcile quantum mechanics and general relativity.
String theory is an active research framework in particle physics that attempts to reconcile quantum mechanics and general relativity.
Strong gravity
Strong gravity is a theoretical approach to particle confinement originally suggested by Einstein where there is a cosmological scale gravity and a particle scale gravity.
Strong gravity is a theoretical approach to particle confinement originally suggested by Einstein where there is a cosmological scale gravity and a particle scale gravity.
Strong interaction
In particle physics, the strong interaction (also called the strong force, strong nuclear force, or color force) is one of the four fundamental interactions of nature, the othe...
In particle physics, the strong interaction (also called the strong force, strong nuclear force, or color force) is one of the four fundamental interactions of nature, the othe...
Stueckelberg action
In field theory, the Stueckelberg action (named after Ernst Stueckelberg) describes a massive spin-1 field as a R (the real numbers are the Lie algebra of U(1)) Yang-Mills theory coupled t...
In field theory, the Stueckelberg action (named after Ernst Stueckelberg) describes a massive spin-1 field as a R (the real numbers are the Lie algebra of U(1)) Yang-Mills theory coupled t...
SU(6) (physics)
SU(6) is a grand unified theory which includes the Georgi-Glashow SU(5) gauge group.
SU(6) is a grand unified theory which includes the Georgi-Glashow SU(5) gauge group.
Subatomic particle
In physics or chemistry, subatomic particles are the smaller particles composing nucleons and atoms.
In physics or chemistry, subatomic particles are the smaller particles composing nucleons and atoms.
Subcritical reactor
A subcritical reactor is a theoretical nuclear fission reactor that produces fission without achieving criticality.
A subcritical reactor is a theoretical nuclear fission reactor that produces fission without achieving criticality.
Synchrotron light source
A synchrotron light source is a source of electromagnetic radiation produced by a synchrotron, which is artificially produced for scientific and technical purposes by specialized particle accele...
A synchrotron light source is a source of electromagnetic radiation produced by a synchrotron, which is artificially produced for scientific and technical purposes by specialized particle accele...
Synchrotron radiation
The electromagnetic radiation emitted when charged particles are accelerated radially is called synchrotron radiation.
The electromagnetic radiation emitted when charged particles are accelerated radially is called synchrotron radiation.
Technicolor (physics)
Technicolor theories are models of physics beyond the standard model that address electroweak symmetry breaking, the mechanism through which elementary particles acquire masses.
Technicolor theories are models of physics beyond the standard model that address electroweak symmetry breaking, the mechanism through which elementary particles acquire masses.
Tetron Model
The Tetron Model was developed by Bodo Lampe in an attempt to reduce the 24 observed quark and lepton flavors and their interactions to a simple structure based on the permutation group S4, ...
The Tetron Model was developed by Bodo Lampe in an attempt to reduce the 24 observed quark and lepton flavors and their interactions to a simple structure based on the permutation group S4, ...
The God Particle: If the Universe Is the Answer, What Is the Question?
The God Particle: If the Universe Is the Answer, What is the Question? is a 1993 popular science book by Nobel Prize-winning physicist Leon M. Lederman and science writer Dick Teresi.
The God Particle: If the Universe Is the Answer, What is the Question? is a 1993 popular science book by Nobel Prize-winning physicist Leon M. Lederman and science writer Dick Teresi.
Threshold effect
In particle physics, the term threshold effect usually refers to small corrections to rough calculations based on the renormalization group that arise from the detailed behavior near the scale w...
In particle physics, the term threshold effect usually refers to small corrections to rough calculations based on the renormalization group that arise from the detailed behavior near the scale w...
Threshold energy
In particle physics, the threshold energy for production of a particle is the minimum kinetic energy a pair of traveling particles must have when they collide.
In particle physics, the threshold energy for production of a particle is the minimum kinetic energy a pair of traveling particles must have when they collide.
Timeline of particle discoveries
This is a timeline of subatomic particle discoveries, including all particles thus far discovered which appear to be elementary (that is, indivisible) given the best available evidence.
This is a timeline of subatomic particle discoveries, including all particles thus far discovered which appear to be elementary (that is, indivisible) given the best available evidence.
Timeline of particle physics
The timeline of particle physics lists the sequence of particle physics theories and discoveries in chronological order.
The timeline of particle physics lists the sequence of particle physics theories and discoveries in chronological order.
Top quark condensate
In particle physics, the top quark condensate theory is an alternative to the Standard Model in which a fundamental scalar Higgs field is replaced by a composite field composed of the top quark ...
In particle physics, the top quark condensate theory is an alternative to the Standard Model in which a fundamental scalar Higgs field is replaced by a composite field composed of the top quark ...
Topcolor
In theoretical physics, Topcolor is a model of dynamical electroweak symmetry breaking in which the top quark and anti-top quark form a top quark condensate and act effectively like the Higgs boson.
In theoretical physics, Topcolor is a model of dynamical electroweak symmetry breaking in which the top quark and anti-top quark form a top quark condensate and act effectively like the Higgs boson.
Toroidal ring model
The toroidal ring model, known originally as the Parson magneton or magnetic electron, is also known as the plasmoid ring, vortex ring, or helicon ring.
The toroidal ring model, known originally as the Parson magneton or magnetic electron, is also known as the plasmoid ring, vortex ring, or helicon ring.
Track significance
Track significance, in high energy collision experiments, is defined as the ratio between the impact parameter of a track (distance from the primary vertex) and the estimated error in it.
Track significance, in high energy collision experiments, is defined as the ratio between the impact parameter of a track (distance from the primary vertex) and the estimated error in it.
Transition radiation
Optical Transition radiation is produced by relativistic charged particles when they cross the interface of two media of different dielectric constants.
Optical Transition radiation is produced by relativistic charged particles when they cross the interface of two media of different dielectric constants.
Transverse mass
The transverse mass is a useful quantity to define for use in particle physics as it is invariant under Lorentz boost along the z direction.
The transverse mass is a useful quantity to define for use in particle physics as it is invariant under Lorentz boost along the z direction.
Tribimaximal mixing
Tribimaximal mixing is a specific postulated form for the Pontecorvo–Maki–Nakagawa–Sakata lepton mixing matrix U.
Tribimaximal mixing is a specific postulated form for the Pontecorvo–Maki–Nakagawa–Sakata lepton mixing matrix U.
Trinification
In physics, the trinification model is a GUT theory.
In physics, the trinification model is a GUT theory.
Two-photon physics
Two-photon physics, also called gamma-gamma physics, is a branch of particle physics for the interactions between two photons.
Two-photon physics, also called gamma-gamma physics, is a branch of particle physics for the interactions between two photons.
Ultra-high-energy cosmic ray
In astroparticle physics, an ultra-high-energy cosmic ray (UHECR) or extreme-energy cosmic ray (EECR) is a cosmic ray particle with an extreme kinetic energy, far beyond both i...
In astroparticle physics, an ultra-high-energy cosmic ray (UHECR) or extreme-energy cosmic ray (EECR) is a cosmic ray particle with an extreme kinetic energy, far beyond both i...
Unified field theory
In physics, a unified field theory, occasionally referred to as a uniform field theory, is a type of field theory that allows all that is usually thought of as fundamental forces and eleme...
In physics, a unified field theory, occasionally referred to as a uniform field theory, is a type of field theory that allows all that is usually thought of as fundamental forces and eleme...
Universal extra dimension
In particle physics, models with universal extra dimensions propose that there are one or more additional dimensions beyond the three spatial dimensions and one temporal dimension that are observed.
In particle physics, models with universal extra dimensions propose that there are one or more additional dimensions beyond the three spatial dimensions and one temporal dimension that are observed.
Unparticle physics
In Theoretical physics, Unparticle physics is a speculative theory that conjectures matter that cannot be explained in terms of particles using the Standard Model of particle physics, because it...
In Theoretical physics, Unparticle physics is a speculative theory that conjectures matter that cannot be explained in terms of particles using the Standard Model of particle physics, because it...
Vector meson dominance
In physics, vector meson dominance was a model developed by J. J. Sakurai in the 1960s before the advent of QCD in order to describe interactions between photons and hadronic matter.
In physics, vector meson dominance was a model developed by J. J. Sakurai in the 1960s before the advent of QCD in order to describe interactions between photons and hadronic matter.
Virtual particle
In physics, a virtual particle is a particle that exists for a limited time and space.
In physics, a virtual particle is a particle that exists for a limited time and space.
W and Z bosons
The W and Z bosons (together known as the weak bosons) are the elementary particles that mediate the weak interaction; their symbols are, and.
The W and Z bosons (together known as the weak bosons) are the elementary particles that mediate the weak interaction; their symbols are, and.
W' and Z' bosons
In particle physics, W' and Z' bosons refer to hypothetical new gauge bosons that arise from extensions of the electroweak symmetry of the Standard Model.
In particle physics, W' and Z' bosons refer to hypothetical new gauge bosons that arise from extensions of the electroweak symmetry of the Standard Model.
Walter H. Barkas
Walter H. Barkas (* 1912 in Portland (Oregon) † 28 March 1969) was Professor of Physics at the University of California, Riverside from 1965 on.
Walter H. Barkas (* 1912 in Portland (Oregon) † 28 March 1969) was Professor of Physics at the University of California, Riverside from 1965 on.
Warm inflation
Warm inflation There are two dynamical realizations of cosmological inflation, the standard scenario, sometimes called cold inflation and then warm inflation In warm inflation radiation produ...
Warm inflation There are two dynamical realizations of cosmological inflation, the standard scenario, sometimes called cold inflation and then warm inflation In warm inflation radiation produ...
Warped Passages
Warped Passages is a book by Lisa Randall, published in 2005, about particle physics in general and additional dimensions of space in particular.
Warped Passages is a book by Lisa Randall, published in 2005, about particle physics in general and additional dimensions of space in particular.
Weak hypercharge
The weak hypercharge in particle physics is a conserved quantum number relating the electrical charge and the third component of weak isospin, and is similar to the Gell-Mann–Nishijima formula f...
The weak hypercharge in particle physics is a conserved quantum number relating the electrical charge and the third component of weak isospin, and is similar to the Gell-Mann–Nishijima formula f...
Weakly interacting massive particles
In astrophysics, weakly interacting massive particles or WIMPs, are hypothetical particles serving as one possible solution to the dark matter problem.
In astrophysics, weakly interacting massive particles or WIMPs, are hypothetical particles serving as one possible solution to the dark matter problem.
Weibel instability
The Weibel instability is a plasma instability present in homogeneous or nearly homogeneous electromagnetic plasmas which possess an anisotropy in momentum (velocity) space.
The Weibel instability is a plasma instability present in homogeneous or nearly homogeneous electromagnetic plasmas which possess an anisotropy in momentum (velocity) space.
Wilhelm Röntgen
Wilhelm Conrad Röntgen was a German physicist, who, on 8 November 1895, produced and detected electromagnetic radiation in a wavelength range today known as X-rays or Röntgen rays, an achievemen...
Wilhelm Conrad Röntgen was a German physicist, who, on 8 November 1895, produced and detected electromagnetic radiation in a wavelength range today known as X-rays or Röntgen rays, an achievemen...
Wire chamber
A multi-wire chamber is a machine that detects charged particles and photons, functioning for gaseous ionization detection of particles of ionizing radiation.
A multi-wire chamber is a machine that detects charged particles and photons, functioning for gaseous ionization detection of particles of ionizing radiation.
X (charge)
In particle physics, the X-charge is a conserved quantum number associated with the SO grand unification theory.
In particle physics, the X-charge is a conserved quantum number associated with the SO grand unification theory.
X and Y bosons
In particle physics, the X and Y bosons are hypothetical elementary particles analogous to the W and Z bosons, but corresponding to a new type of force predicted by the Georgi–Glashow model, a ...
In particle physics, the X and Y bosons are hypothetical elementary particles analogous to the W and Z bosons, but corresponding to a new type of force predicted by the Georgi–Glashow model, a ...
X(3872)
The X(3872) is an anomalous particle with an energy of 3871.2 MeV which does not fit into the quark model because of its quantum numbers.
The X(3872) is an anomalous particle with an energy of 3871.2 MeV which does not fit into the quark model because of its quantum numbers.
Z(4430)
Z(4430) is a mesonic resonance discovered by the Belle experiment.
Z(4430) is a mesonic resonance discovered by the Belle experiment.
ZZ diboson
ZZ dibosons are rare pairs of Z bosons that are extremely difficult to detect.
ZZ dibosons are rare pairs of Z bosons that are extremely difficult to detect.