Light-fronts approach to electron-positron pair production in ultrarelativistic heavy-ion collisions

B. Segev, J. C. Wells

Research output: Contribution to journalArticlepeer-review

59 Scopus citations

Abstract

We perform a gauge transformation on the time-dependent Dirac equation describing the evolution of an electron in a heavy-ion collision to remove the explicit dependence on the long-range part of the interaction. We solve, in an ultrarelativistic limit, the gauge-transformed Dirac equation using light-front variables and a light-fronts representation, obtaining nonperturbative results for the free pair-creation amplitudes in the collider frame. Our result reproduces the result of second-order perturbation theory in the small charge limit while nonperturbative effects arise for realistic charges of the ions.

Original languageEnglish
Pages (from-to)1849-1861
Number of pages13
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume57
Issue number3
DOIs
StatePublished - 1 Jan 1998
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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