On the nature of Coulomb corrections to the e^+e^- pair production in ultrarelativistic heavy-ion collisions

Details On the nature of Coulomb corrections to the e^+e^- pair production in ultrarelativistic heavy-ion collisions On the nature of Coulomb corrections to the e^+e^- pair production in ultrarelativistic heavy-ion collisions

1999-09-21

arxiv.org/abs/hep-ph/9909452v1

Phys.Rev. A61 (2000) 032103

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, LaTeX

Scientific paper

10.1103/PhysRevA.61.032103

We manifest the origin of the wrong conclusion made by several groups of authors on the absence of Coulomb corrections to the cross section of the e^+e^- pair production in ultrarelativistic heavy-ion collisions. The source of the mistake is connected with an incorrect passage to the limit in the expression for the cross section. When this error is eliminated, the Coulomb corrections do not vanish and agree with the results obtained within the Weizs\"acker-Williams approximation.

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