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  1. iopscience.iop.org

    The typical electron energy sufficient to diagnose nonlinear quantum effects is around a few GeV and such electron beams can now be generated from an all-optical source in an efficient manner: the current experimental record for self-injected electrons obtained in a laser wakefield accelerator is 4 GeV . This shows that the near future laser ...
    Author:Marija Vranic, Thomas Grismayer, Ricardo A Fonseca, Ricardo A Fonseca, Luis O SilvaPublished:2016
    • Article PDF

      whichwerefirstcalculatedin[36].TheFokker-Planckequation(4),whichisaspecialcaseofthemaster equationinthecontinuouslimit,isvalidfor qp .Inourscenario ...

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  3. repositorio.iscte-iul.pt

    During the interaction with the scattering laser, the electron energy is converted into radiation. For relativistic electrons, the radiation is confined within a narrow angle that scales with 1=γ around the propagation direction. In our setup,the counterpropagatinglaser is linearly polarized in the x3 direction, and propagates in the negative ...
  4. link.aps.org

    The basic challenge is the inclusion of the self-interaction of the electron with the field emitted by the electron itself—the so-called radiation reaction force. We report here on the experimental evidence of strong radiation reaction, in an all-optical ... Quantum Radiation Reaction in Head-On Laser-Electron Beam Interaction, New J ...
    Author:K. Poder, M. Tamburini, G. Sarri, A. Di Piazza, S. Kuschel, S. Kuschel, C. D. Baird, K. Behm, S. Boh...Published:2018
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  6. journals.aps.org

    Suppl. Fig. 1. Benchmark beam interaction with the laser. Transverse momentum space vs. longitudinal position during the electron beam-laser interaction a) without RR and b) with RR. The axis for p 2 is the same as for p 3 and is omitted for better visibility. Transverse momentum space p 2 p 3 without RR c) before, d) during and e) after the ...
  7. absimage.aps.org

    in an all-optical setup using a laser wakefield accelerated electron beam colliding with an intense laser pulse. We employ full-scale 3D PIC simulations to show that one can enter a radiation reaction dominated regime with a GeV electron beam and a 30 fs laser of I = 1021W/cm2. The electrons can lose up to 40% of their initial energy,
  8. publications.lib.chalmers.se

    Compton scattering at a0 '2 (but not radiation reaction) was recently observed in such a set-up by Sarri et al. (2014). Devising ways in which quantum effects on radiation reaction can be distinguished is therefore timely, as has been considered by Di Piazza, Hatsagortsyan & Keitel (2010), Neitz & Di Piazza (2013), Blackburn et al.
  9. www-thphys.physics.ox.ac.uk

    60% of the laser energy in this focal area, resulting in peak laser intensities, lasting for tens of femtosecond and extending over a few microns, not higher than 1021 W/cm2. It must also be pointed out that maximum electron-laser interaction is achieved for face-on collisions. This implies that short-focal length parabolas must be holed in their
  10. link.springer.com

    Thus the 'all-optical' laser-electron-beam collision is promising as a compact source of bright, ultrashort bursts of high-energy \(\gamma\) rays (Chen et al. 2013; Sarri et al. 2014; Yan et al. 2017). Now, with advances in laser technology, a multibeam facility is capable of reaching the radiation-reaction and nonlinear quantum regimes.
  11. link.aps.org

    Using full-scale 3D particle-in-cell simulations we show that the radiation reaction dominated regime can be reached in an all-optical configuration through the collision of a $\ensuremath{\sim}1\text{ }\mathrm{GeV}$ laser wakefield accelerated electron bunch with a counterpropagating laser pulse. In this configuration the radiation reaction significantly reduces the energy of the particle ...
  12. Download PDF Abstract: In this paper, we investigate the evolution of the energy spread and the divergence of electron beams while they interact with different laser pulses at intensities where quantum effects and radiation reaction are of relevance. The interaction is modeled with a QED-PIC code and the results are compared with those obtained with a standard PIC code with the addition of a ...

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