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  1. ui.adsabs.harvard.edu

    The description of electromagnetic fields based on the generalized photon kinetic theory, which takes advantage of the Wigner-Moyal description for the corresponding classical field theory, is capable of capturing collective plasma dynamics in the relativistic regime driven by broadband incoherent or partially coherent sources. We explore the possibility to extend this description to include ...
    Author:L. O. Silva, R. BinghamPublished:2017
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  3. absimage.aps.org

    Coupling the photon kinetics of soft photons with high energy photons1 L. O. SILVA, GoLP/IPFN, Instituto Superior Tecnico, Universidade de Lisboa, Portugal, R. BINGHAM, RAL/STFC and University of Strathclyde, U.K. ... (ERC-AdG-2015 InPairs Grant no. 695088) Luis SIlva GoLP/IPFN, Instituto Superior Tecnico, Universidade de Lisboa, Portugal
  4. sciencedirect.com

    Dec 18, 2024Here we give a brief overview of data on soft-photon production in high-energy collisions, and we highlight selected results. Important results are summarized in Table 1.To study the soft-photon signal, all experiments subtract the background photons coming from the decay of hadrons, which is dominated by the decay π 0 → γ γ.A remaining serious experimental background for the inner ...
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  6. Energy transfer is not large until the incident photon is in excess of approximately 100 keV. For low-energy photons, when the scattering interaction takes place, little energy is transferred, regardless of the probability of such an interaction. As the energy increases, the fractional transfer increases, approaching 1.0 for
  7. sciencedirect.com

    The paper is organized as follows: in sect. 2 we derive Low theorem for the emission of a photon in the high-energy limit and define an effective coupling for the next-to-leading behavior in terms of the field-strength tensor; in sect. 3 we show in a particular case how the Burnettroll theorem for bremsstrahlung cross sections fails in the high ...
  8. • Any additional photon energy above 1022 keV is given to the positron and the electron as kinetic energy. • The kinetic energy of the electron and the positron tilth Pair Production 62 are not necessarily the same. • PP is most likely to occur with relatively high photon energies and high atomic number materials (larger nuclei).
  9. link.aps.org

    Figure 2. Electron-photon entanglement patterns. (a) Color map of , the coincident probabilities of photons with electron-energy gain , after a strong interaction with an empty cavity.(b) Rich entanglement features for an initial coherent state , in the cavity.Oscillations in the electron spectra coincident with Fock states (cf. inset for and ) are absent from the integrated electron spectrum ...
  10. meetings.aps.org

    Abstract: GP11.00052: Coupling the photon kinetics of soft photons with high energy photons* Preview Abstract Abstract . Authors: L. O. Silva ... The description of electromagnetic fields based on the generalized photon kinetic theory, which takes advantage of the Wigner-Moyal description for the corresponding classical field theory, is capable ...
  11. link.springer.com

    Results in points (3) and (4) above show that photon scattered with angles \(\theta \) larger than \(\frac{1}{2}\pi \) cannot exceed 511 keV in kinetic energy no matter how high is the incident photon energy \(h\nu \). This finding is of practical importance in design of shielding barriers for linear accelerator installations.

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