Estimations of electron-positron pair production at high-intensity laser interaction with high-Z targets

Details Estimations of electron-positron pair production at high-intensity laser interaction with high-Z targets Estimations of electron-positron pair production at high-intensity laser interaction with high-Z targets

1999-09-18

arxiv.org/abs/physics/9909034v1

JETP Letters, V.67, p.257 (1998)

Physics

Atomic Physics

Scientific paper

10.1134/1.567660

Electron-positron pairs' generation occuring in the interaction of $10^{18}$-$10^{20}$~W/cm$^2$ laser radiation with high-Z targets are examined. Computational results are presented for the pair production and the positron yield from the target with allowance for the contribution of pair production processes due to electrons and bremsstrahlung photons. Monte-Carlo simulations using the PRIZMA code confirm the estimates obtained. The possible positron yield from high-Z targets irradiated by picosecond lasers of power $10^2$-$10^3$~TW is estimated to be $10^9$-$10^{11}$.

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