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Highly polarised gamma photons from electron-laser collisions
2020
Physics Letters B
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We detail a method to produce a GeV-photon source with polarisation degree exceeding 91% and 78% (corresponding to a 96% and 89% fraction of the photons) for linear and circular polarised photons respectively and with a brilliance of the order of 10 21 photons/(s mm 2 mrad 2 0.1% BW). Using currently available multi-GeV electron bunches and laser pulses of moderately relativistic intensities, we show how the weakly nonlinear regime can produce photons polarised mainly parallel to the laser
doi:10.1016/j.physletb.2020.135701
fatcat:auyphthdxvgzrhxp3bildovxve