Ultrabright GeV Photon Source via Controlled Electromagnetic Cascades in Laser-Dipole Waves

  title={Ultrabright GeV Photon Source via Controlled Electromagnetic Cascades in Laser-Dipole Waves},
  author={Arkady A. Gonoskov and A. V. Bashinov and Sergei Bastrakov and Evgeny Efimenko and Anton Ilderton and A. Kim and Mattias Marklund and Iosif B. Meyerov and A. A. Muraviev and Aleksandr M. Sergeev},
  journal={Physical Review X},
Electromagnetic cascades have the potential to act as a high-energy photon source of unprecedented brightness. Such a source would offer new experimental possibilities in fundamental science, but in the cascade process radiation reaction and rapid electron-positron plasma production seemingly restrict the efficient production of photons to sub-GeV energies. Here, we show how to overcome these energetic restrictions and how to create a directed GeV photon source, with unique capabilities as… 

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