Impact of laser polarization on q-exponential photon tails in nonlinear Compton scattering
Impact of laser polarization on q-exponential photon tails in nonlinear Compton scattering
Kämpfer, B.; Titov, A.
Non-linear Compton scattering of ultra-relativistic electrons traversing high-intensity laser pulses generates also hard photons. These photon high-energy tails are considered for parameters in reach at the forthcoming experiments LUXE and E-320. We consider the invariant differential cross sections dσ/du between the IR and UV regions and analyze the impact of the laser polarization and find q-deformed exponential shapes. (The variable u is the light-cone momentum-transfer from initial electron to final photon.) Optical laser pulses of various durations are compared with the monochromatic laser beam model which uncovers the laser intensity parameter in the range ξ=1⋯10. Some supplementary information is provided for the azimuthal final-electron/photon distributions and the photon energy-differential cross sections.
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Contribution to WWW
https://arxiv.org/abs/2012.07699 -
Physical Review A 103(2021), 033101
DOI: 10.1103/PhysRevA.103.033101
Cited 7 times in Scopus
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Permalink: https://www.hzdr.de/publications/Publ-31915