Multiple electromagnetic electron positron pair production in relativistic heavy ion collisions

Details Multiple electromagnetic electron positron pair production in relativistic heavy ion collisions Multiple electromagnetic electron positron pair production in relativistic heavy ion collisions

1996-06-06

arxiv.org/abs/nucl-th/9606011v1

Phys.Rev. A55 (1997) 396-401

Physics

Nuclear Physics

Nuclear Theory

13 pages REVTeX, 4 Postscript figures, This and related papers may also be obtained from http://www.phys.washington.edu/~henck

Scientific paper

10.1103/PhysRevA.55.396

We calculate the cross sections for the production of one and more electron-positron pairs due to the strong electromagnetic fields in relativistic heavy ion collisions. Using the generating functional of fermions in an external field we derive the N-pair amplitude. Neglecting the antisymmetrisation in the final state we find that the total probability to produce N pairs is a Poisson distribution. We calculate total cross sections for the production of one pair in lowest order and also include higher-order corrections from the Poisson distribution up to third order. Furthermore we calculate cross sections for the production of up to five pairs including corrections from the Poisson distribution.

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