HIGH-ENERGY BREMSSTRAHLUNG THEOREMS FOR SOFT PHOTONS

被引：107
作者：
DELDUCA, V
机构：
[1] Institute for Theoretical Physics, State University of New York at Stony Brook, Stony Brook
来源：
NUCLEAR PHYSICS B | 1990年 / 345卷 / 2-3期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1016/0550-3213(90)90392-Q
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
The bremsstrahlung amplitude for soft photon emission in the high-energy limit is considered. We show that the low-energy theorems of Low and Burnett and Kroll are valid only for vanishingly small photon momentum as the nergy goes to infinity. We develop an extension of the Low theorem in a larger region in photon momentum. In this region, terms depending on the structure of the external particles are found in the next-to-leading order of the bremsstrahlung amplitude and cross section. © 1990.
引用
收藏
页码：369 / 388
页数：20
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