Abstract
Using the semiclassical Green’s function in the Coulomb field, we analyze the probabilities of single and multiple e + e − pair production at a fixed impact parameter b between colliding ultrarelativistic heavy nuclei. We perform calculations in the Born approximation with respect to the parameter Z Bα and exactly in Z Aα, where 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 Aα, Z Bα ≲ 1.
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Lee, R.N., Milstein, A.I. e + e − pair production in ultrarelativistic heavy-ion collisions at intermediate impact parameters. J. Exp. Theor. Phys. 104, 423–430 (2007). https://doi.org/10.1134/S1063776107030077
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DOI: https://doi.org/10.1134/S1063776107030077