Ff. Kormendi et G. Farkas, SOFT-X-RAY GENERATION BY MULTIPHOTON SCATTERING OF A LASER-BEAM FROM FAST FREE-ELECTRONS, Physical review. A, 53(2), 1996, pp. 637-639
A special type of multiphoton interaction of powerful laser radiation
with fast truly free electrons is analyzed. The production of intense
soft-x-ray emission is shown to arise due to the large differential cr
oss section of the process and the Doppler shift of the simultaneously
scattered photons.