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High-energy gamma-ray beams from nonlinear Thomson and Compton cattering in the ultra-intense regime
Umeå University, Faculty of Science and Technology, Department of Physics.
2015 (English)In: Relativistic plasma waves and particle beams as coherent and incoherent radiation sources / [ed] Jaroszynski, DA, 2015, Vol. 9509, 950908Conference paper (Refereed)
Abstract [en]

We consider the Thomson and Compton scattering of high-energy electrons n an intense laser pulse. Our simulations show that energy losses due o radiation reaction cause the emitted radiation to be spread over a roader angular range than the case without these losses included. We xplain this in terms of the effect of these energy losses on the article dynamics. Finally, at ultra-high intensities, i.e. fields with dimensionless parameter a(0)similar to 200, the energy of the ission pectrum is significantly reduced by radiation reaction and also the lassical and QED results begin to differ. This is found to be due to he classical theory overestimating the energy loss of the electrons. uch findings are relevant to radiation source development involving e ext generation of high-intensity laser facilities.

Place, publisher, year, edition, pages
2015. Vol. 9509, 950908
, Proceedings of SPIE, ISSN 0277-786X
Keyword [en]
nonlinear Compton scattering, ultra-intense lasers, strong field QED, diation reaction
National Category
Physical Sciences
URN: urn:nbn:se:umu:diva-107103DOI: 10.1117/12.2179769ISI: 000357641000003ISBN: 978-1-62841-630-5OAI: diva2:847122
Conference on relativistic plasma waves and particle beams as coherent and Incoherent radiation sources, APR 15-16, 2015, Prague, Czech Republic
Available from: 2015-08-19 Created: 2015-08-18 Last updated: 2015-10-07Bibliographically approved

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Marklund, MattiasWallin, Erik
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