Coulomb corrections in the calculation of ultrarelativistic heavy ion production of continuum e+ e- pairs

Details Coulomb corrections in the calculation of ultrarelativistic heavy ion production of continuum e+ e- pairs Coulomb corrections in the calculation of ultrarelativistic heavy ion production of continuum e+ e- pairs

2003-05-28

arxiv.org/abs/nucl-th/0305083v1

Phys.Rev.C68:034906,2003

Physics

Nuclear Physics

Nuclear Theory

16 pages, latex, 3 eps figures

Scientific paper

10.1103/PhysRevC.68.034906

Coulomb corrections to perturbation theory for producing electron-positron pairs in ultrarelativistic heavy ion collisions are considered in a part-analytical, part-numerical approach. Production probabilities are reduced from perturbation theory with increasing charge of the colliding heavy ions, as has been previously argued in the literature. It is shown here that the reduction from perturbation theory comes from the appropriate physical spatial cutoff of the electromagnetic potentials arising from the colliding ultrarelativistic heavy ions.

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