Photon acceleration to XUV wavelengths lets multi-GeV electrons reach quantum nonlinearity parameters above 100 with about 10% probability of detecting emitted photons, opening a route to test strong-field QED breakdown.
In the limitχ e ≫ 1, the emission rate is given by [4], λγ(χe) = 1.46αcχ2/3 e λcγ ,(4) 7 FIG
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Reaching extreme fields in laser-electron beam collisions with XUV laser light
Photon acceleration to XUV wavelengths lets multi-GeV electrons reach quantum nonlinearity parameters above 100 with about 10% probability of detecting emitted photons, opening a route to test strong-field QED breakdown.