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  1. ui.adsabs.harvard.edu

    Several astrophysical emitters like active galactic nuclei, supernovae remnants, and gamma-ray bursts are sources of energetic photons which can propagate across tenuous plasmas. Its has been shown that the effect of Compton scattering of the photons onto the electron of the plasmas can excite plasma wakes. We investigate the possible acceleration of electrons in these plasma wakes.
    Author:Fabrizio Del Gaudio, Thomas Grismayer, Luis SilvaPublished:2020
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  3. link.aps.org

    Photon bursts with a wavelength smaller than the plasma interparticle distance can drive plasma wakes via Compton scattering. We investigate this fundamental process analytically and numerically for different photon frequencies, photon flux, and plasma magnetization. Our results show that Langmuir and extraordinary modes are driven efficiently when the photon energy density lies above a ...
    Author:F. Del Gaudio, R. A. Fonseca, R. A. Fonseca, L. O. Silva, T. GrismayerPublished:2020
  4. Metre-scale plasma wakefield accelerators have imparted energy gain approaching 10 gigaelectronvolts to single nano-Coulomb electron bunches. To reach useful average currents, however, the ...
    Author:Rafal Zgadzaj, T. Silva, V. K. Khudyakov, V. K. Khudyakov, A. Sosedkin, A. Sosedkin, J. Allen, S. Ge...Published:2020
  5. link.aps.org

    Oct 2, 2024We investigated numerically the emission properties of an x-ray source based on direct laser acceleration of electrons interacting with an intense counterpropagating laser pulse. The source was realized by irradiating from both sides a high atomic number plasma-plume target. The resulting x-ray beam was analyzed through three-dimensional particle-in-cell simulations for its spectral content ...
  6. indico.cern.ch

    Different ways to excite the wakes-Most commonly used: - Laser bunches ... ionization threshold inside the electron-driven plasma wave Released electrons are rapidly accelerated and form ... current emittance energy spread. Laser-Driven Plasma Acceleration Facilities 27 ANGUS DESY Hamburg, Ge 50.2. Beam-Driven Plasma Acceleration Facilities 28.
  7. pubs.aip.org

    Nov 22, 2023The paper [R .T. Sandberg and A. G. R. Thomas, Phys. Rev. Lett. 130, 085001 (2023)] proposed a scheme to generate ultrashort, high energy pulses of XUV photons through dephasingless photon acceleration in a beam-driven plasma wakefield.An ultrashort laser pulse is placed in the plasma wake behind a relativistic electron bunch so that it experiences a density gradient and therefore shifts up in ...
  8. cas.web.cern.ch

    High-Efficiency acceleration of an electron beam in a plasmas wakefield accelerator, 2014 M. Litos et al., doi, Nature, 6 Nov 2014, 10.1038/nature 13882 Initial energy am 70 pC of charge accelerated, 2 GeV energy gain, 5 GeV/m gradient Up to 30% transfer efficiency, ~2% energy spread 9 GeV energy gain in a beam-driven plasma wakefield accelerator
  9. iopscience.iop.org

    In the scheme of pure nitrogen medium and ionization induced injection, the laser wake-field acceleration (LWFA) is performed at a lower laser intensity of a 0 ∼ 2 and a lower plasma density of n e ∼ 8 × 10 18 cm −3, which lead to the weak evolution of beam profile and high energy transmission rate of 95%. We found the quality of ...
  10. link.aps.org

    Laser-driven plasma-based accelerators, which are capable of supporting fields in excess of $100\\phantom{\\rule{0.3em}{0ex}}\\mathrm{GV}∕\\mathrm{m}$, are reviewed. This includes the laser wakefield accelerator, the plasma beat wave accelerator, the self-modulated laser wakefield accelerator, plasma waves driven by multiple laser pulses, and highly nonlinear regimes. The properties of ...

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