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VOLUME 75 (2002) | ISSUE 9 | PAGE 542
Polarized triplet production by circularly polarized photons
PACS: 13.88.+e, 13.40.-f, 14.60.Cd, 25.20.Lj
Abstract
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.