Two stage $\gamma$ ray emission via an ultrahigh intensity laser pulse interaction with a laser-wakefield accelerated electron beam

Mamat Ali Bake, Aynisa Tursun, Aimierding Aimidula +1

We investigate the generation of twin $\gamma$ ray beams in collision of an ultrahigh intensity laser pulse with a laser wakefield accelerated electron beam by using particle-in-cell si…