Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2002-03-24
JETP Lett. 75 (2002) 452-456; Pisma Zh.Eksp.Teor.Fiz. 75 (2002) 542-546
Physics
High Energy Physics
High Energy Physics - Phenomenology
9 pages, 3 pictures
Scientific paper
10.1134/1.1494040
A process of the pair production by a circularly polarized photon in the field of unpolarized atomic electron has been considered in the Weizaecker-Williams approximation. The degree of longitudinal polarization of positron and electron has been calculated. An exclusive cross-section as well as a spectral distribution are obtained. We estimate the accuracy of our calculations at the level of a few percent. We show the identity of the positron polarization for considered process and for process of pair production in the screened Coulomb field of nucleus.
Bytev Vladimir V.
Galynskii M. V.
Kuraev Eduard A.
Potylitsyn A. P.
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