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Experimental investigation of strong field trident production

  • J. Esberg
  • , K. Kirsebom
  • , H. Knudsen
  • , H. D. Thomsen
  • , E. Uggerhøj
  • , U. I. Uggerhøj
  • , P. Sona
  • , A. Mangiarotti
  • , T. J. Ketel
  • , A. Dizdar
  • , M. M. Dalton
  • , S. Ballestrero
  • , S. H. Connell
  • Aarhus University
  • University of Florence
  • University of Coimbra
  • Vrije Universiteit Amsterdam
  • Istanbul University
  • University of Virginia
  • University of Johannesburg

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

We show by experiment that an electron impinging on an electric field that is of critical magnitude in its rest frame, may produce an electron-positron pair. Our measurements address higher-order QED, using the strong electric fields obtainable along particular crystallographic directions in single crystals. For the amorphous material our data are in good agreement with theory, whereas a discrepancy with theory on the magnitude of the trident enhancement is found in the precisely aligned case where the strong electric field acts.

Original languageEnglish
Article number072002
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume82
Issue number7
DOIs
Publication statusPublished - 6 Oct 2010

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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