e+e- pair production in ultrarelativistic heavy-ion collisions at intermediate impact parameters

Details e+e- pair production in ultrarelativistic heavy-ion collisions at intermediate impact parameters e+e- pair production in ultrarelativistic heavy-ion collisions at intermediate impact parameters

2006-10-03

arxiv.org/abs/nucl-th/0610008v1

J.Exp.Theor.Phys.104:423-430,2007

Physics

Nuclear Physics

Nuclear Theory

15 pages, 2 figures, 1 table

Scientific paper

10.1134/S1063776107030077

Using the quasiclassical Green's function in the Coulomb field, we analyze the probabilities of single and multiple $e^+e^-$-pair production at fixed impact parameter $b$ between colliding ultrarelativistic heavy nuclei. We perform calculations in the Born approximation with respect to the parameter $Z_B\alpha$, and exactly in $Z_A\alpha$, $Z_{A}$ and $Z_{B}$ are the charge numbers of the corresponding nuclei. We also obtain the approximate formulas for the probabilities valid for $Z_A\alpha, Z_B\alpha\lesssim 1$.

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