Quantum Radiation Reaction in Laser–Electron-Beam Collisions

Blackburn, T.G.; Ridgers, C.P.; Kirk, John G.; Bell, A.R.

doi:10.1103/PhysRevLett.112.015001

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Quantum Radiation Reaction in Laser–Electron-Beam Collisions

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Kirk, John G.
Division Prof. Dr. Werner Hofmann, MPI for Nuclear Physics, Max Planck Society;

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http://link.aps.org/doi/10.1103/PhysRevLett.112.015001
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Citation

Blackburn, T., Ridgers, C., Kirk, J. G., & Bell, A. (2014). Quantum Radiation Reaction in Laser–Electron-Beam Collisions. Physical Review Letters, 112(1): 015001. doi:10.1103/PhysRevLett.112.015001.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0015-12AA-2

Abstract

It is possible using current high-intensity laser facilities to reach the quantum radiation reaction regime for energetic electrons. An experiment using a wakefield accelerator to drive GeV electrons into a counterpropagating laser pulse would demonstrate the increase in the yield of high-energy photons caused by the stochastic nature of quantum synchrotron emission: we show that a beam of 10 9 1 GeV electrons colliding with a 30 fs laser pulse of intensity 10 22 W cm −2 will emit 6300 photons with energy greater than 700 MeV, 60× the number predicted by classical theory.