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Laser Assisted Breit-Wheeler and Schwinger Processes

  • T. Nousch
  • A. Otto
  • D. Seipt
  • B. KämpferEmail author
  • A. I. Titov
  • D. Blaschke
  • A. D. Panferov
  • S. A. Smolyansky
Chapter
Part of the FIAS Interdisciplinary Science Series book series (FIAS)

Abstract

The assistance of an intense optical laser pulse on electron-positron pair production by the Breit-Wheeler and Schwinger processes in XFEL fields is analyzed. The impact of a laser beam on high-energy photon collisions with XFEL photons consists in a phase space redistribution of the pairs emerging in the Breit-Wheeler sub-process. We provide numerical examples of the differential cross section for parameters related to the European XFEL. Analogously, the Schwinger type pair production in pulsed fields with oscillating components referring to a superposition of optical laser and XFEL frequencies is evaluated. The residual phase space distribution of created pairs is sensitive to the pulse shape and may differ significantly from transiently achieved mode occupations.

Keywords

Pair Production Optical Laser Pair Creation Phase Space Distribution Phase Space Point 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgments

R. Sauerbrey, T. E. Cowan and H. Takabe are gratefully acknowledged for the collaboration within the HIBEF project [33]. We thank S. Fritzsche and A. Surzhykov for the common work on the caustic interpretation of elementary QED processes in bi-frequent fields. D.B. and S.A.S have been supported by Narodowe Centrum Nauki under grant number UMO-2014/15/B/ST2/03752.

We dedicate this article to Walter Greiner on the occasion of his 80th birthday. Walter Greiner promoted essentially the in-depth exploration of the nature of the quantum vacuum.

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Copyright information

© Springer International Publishing Switzerland 2017

Authors and Affiliations

  • T. Nousch
    • 1
    • 2
  • A. Otto
    • 1
    • 2
  • D. Seipt
    • 3
    • 4
  • B. Kämpfer
    • 1
    • 2
    Email author
  • A. I. Titov
    • 5
  • D. Blaschke
    • 5
    • 6
    • 7
  • A. D. Panferov
    • 8
  • S. A. Smolyansky
    • 8
  1. 1.Institute of Radiation Physics, Helmholtz-Zentrum Dresden-RossendorfDresdenGermany
  2. 2.Institut für Theoretische Physik, Technische Universität DresdenDresdenGermany
  3. 3.Helmholtz-Institut JenaJenaGermany
  4. 4.Theoretisch-Physikalisches Institut, Friedrich-Schiller-Universität JenaJenaGermany
  5. 5.Bogoliubov Laboratory for Theoretical PhysicsJINR DubnaDubnaRussia
  6. 6.Institute for Theoretical PhysicsUniversity of WroclawWrocławPoland
  7. 7.National Research Nuclear University (MEPhI)MoscowRussia
  8. 8.Department of PhysicsSaratov State UniversitySaratovRussia

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