Large Coulomb corrections to the $e^+e^-$ pair production at relativistic heavy ion colliders

Details Large Coulomb corrections to the $e^+e^-$ pair production at relativistic heavy ion colliders Large Coulomb corrections to the $e^+e^-$ pair production at relativistic heavy ion colliders

1998-09-18

arxiv.org/abs/hep-ph/9809449v2

Phys.Lett. B454 (1999) 155-160

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 2 figures, REVTEX, some changes in presentation, discussion on structure of amplitude added, references updated

Scientific paper

10.1016/S0370-2693(99)00323-8

We consider the Coulomb correction (CC) to the $e^+e^-$ pair production related to multiphoton exchange of the produced $e^{\pm}$ with nuclei. The contribution of CC to the energy distribution of $e^+$ and $e^-$ as well as to the total pair production cross section are calculated with an accuracy of the order of 1%. The found correction to the total Born cross section is negative and equal to -25% at the RHIC for Au--Au and -14% at the LHC for Pb--Pb collisions.

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