https://doi.org/10.1140/epjd/e2014-50324-y
Regular Article
Laser pulse-shape dependence of Compton scattering
1
Bogoliubov Laboratory of Theoretical Physics, JINR, 141980
Dubna,
Russia
2
RCNP, 10-1 Mihogaoka Ibaraki, 567-0047
Osaka,
Japan
3
Helmholtz-Zentrum Dresden-Rossendorf, 01314
Dresden,
Germany
4
Institut für Theoretische Physik, TU Dresden, 01062
Dresden,
Germany
5
J-PARC Branch, KEK Theory Center, KEK, Tokai, 319-1106
Ibaraki,
Japan
6
ILE, Yamada-oka, Suita, 565-0871 Osaka, Japan
a
e-mail: atitov@theor.jinr.ru
Received: 24 April 2014
Received in final form: 23 July 2014
Published online: 16 October 2014
Compton scattering of short and ultra short (sub-cycle) laser pulses off mildly relativistic electrons is considered within a QED framework. The temporal shape of the pulse is essential for the differential cross section as a function of the energy of the scattered photon at fixed observation angle. The partly integrated cross section is sensitive to the non-linear dynamics resulting in a large enhancement of the cross section for short and, in particular, for ultra-short flat-top pulse envelopes which can reach several orders of magnitude, as compared with the case of a long pulse. Such effects can be studied experimentally and must be taken into account in Monte-Carlo transport simulations of the interaction of electrons and photons in a strong laser field.
Key words: Optical Phenomena and Photonics
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag 2014