X-ray photon scattering at a focused high-intensity laser pulse

Felix Karbstein, Elena A. Mosman

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

We study x-ray photon scattering in the head-on collision of an XFEL pulse and a focused high-intensity laser pulse, described as paraxial Laguerre-Gaussian beam of arbitrary mode composition. For adequately chosen relative orientations of the polarization vectors of the colliding laser fields, this gives rise to a vacuum birefringence effect manifesting itself in polarization flipped signal photons. Throughout this article the XFEL is assumed to be mildly focused to a waist larger than that of the high-intensity laser beam. As previously demonstrated for the special case of a fundamental paraxial Gaussian beam, this scenario is generically accompanied by a scattering phenomenon of x-ray energy signal photons outside the forward cone of the XFEL beam, potentially assisting the detection of the effect in experiment. Here, we study the fate of the x-ray scattering signal under exemplary deformations of the transverse focus profile of the high-intensity pump.

Original languageEnglish
Article number033002
JournalPhysical Review D
Volume100
Issue number3
DOIs
Publication statusPublished - 12 Aug 2019

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high power lasers
photons
pulses
scattering
x rays
polarization
x ray scattering
birefringence
cones
laser beams
pumps
vacuum
collisions
profiles
lasers
energy

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

X-ray photon scattering at a focused high-intensity laser pulse. / Karbstein, Felix; Mosman, Elena A.

In: Physical Review D, Vol. 100, No. 3, 033002, 12.08.2019.

Research output: Contribution to journalArticle

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