ELECTRON-POSITRON PAIR PRODUCTION IN RELATIVISTIC HEAVY-ION COLLISIONS

被引:13
作者
DECKER, F [1 ]
机构
[1] UNIV TSUKUBA, INST APPL PHYS, TSUKUBA, IBARAKI 305, JAPAN
来源
PHYSICAL REVIEW A | 1991年 / 44卷 / 05期
关键词
D O I
10.1103/PhysRevA.44.2883
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
First-order Born cross sections for electron-positron pair production in relativistic heavy-ion collisions are calculated. Sommerfield-Maue wave functions are employed to describe the continuum state of the emitted electron and positron in the field of the heavy target nucleus. Double-differential, single-differential, and total cross sections are presented in a wide energy regime from 1 GeV/u up to 20 TeV/u. We compare our results with first-Born calculations using a partial-wave expansion and with lowest-order QED calculations. The target-charge dependence is investigated.
引用
收藏
页码:2883 / 2889
页数:7
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