Simple analytical representation for Delbruck scattering amplitudes at high energies

被引：1
|
作者：
Li, RN [1 ]
Mil'shtein, AI [1 ]
Strakhovenko, VM [1 ]
机构：
[1] Russian Acad Sci, GI Budker Inst Nucl Phys, Siberian Branch, Novosibirsk 630090, Russia
来源：
JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS | 1999年 / 89卷 / 01期
关键词：
D O I：
10.1134/1.558953
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We use a new representation for the semiclassical Green's function of the Dirac equation in the Coulomb field to find an exact (in the parameter Z alpha) expression for the amplitudes of small-angle Delbruck scattering of high-energy photons. The values of these amplitudes agree with those obtained in earlier calculations, but the structure of the expressions is much simpler than that of previously known representations, which makes numerical calculations much easier. (C) 1999 American Institute of Physics. [S1063-7761(99)00807-0].
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页码：41 / 44
页数：4
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