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ISSN - 10637761, EISSN - 10906509, Journal of Experimental and Theoretical Physics, 2007, vol. 104, p. 423-430

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

Lee R. N., Milstein A. I.

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. © Nauka/Interperiodica 2007.