Polarized triplet production by circularly polarized photons

被引：1
|
作者：
Bytev, VV [1 ]
Kuraev, EA
Galynskii, MV
Potylitsyn, AP
机构：
[1] Joint Inst Nucl Res, Dubna 141980, Moscow Region, Russia
[2] Belarussian Acad Sci, Inst Phys, Minsk 220072, BELARUS
[3] Tomsk Polytech Univ, Tomsk 634050, Russia
来源：
JETP LETTERS | 2002年 / 75卷 / 09期
关键词：
D O I：
10.1134/1.1494040
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A process of pair production by a circularly polarized photon in the field of an unpolarized atomic electron was considered in the Weizaecker-Williams approximation. The degree of longitudinal polarization of a positron and an electron was calculated. An exclusive cross section, as well as a spectral distribution, were obtained. We estimate the accuracy of our calculations at the level of a few percent. We show the identity of the positron polarization for the considered process and for the process of pair production in the screened Coulomb field of a nucleus. (C) 2002 MAIK "Nauka / Interperiodica".
引用
收藏
页码：452 / 456
页数：5
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