Non-planar massless two-loop Feynman diagrams with four on-shell legs

被引：304
|
作者：
Tausk, JB [1 ]
机构：
[1] Univ Freiburg, Fak Phys, D-79104 Freiburg, Germany
来源：
PHYSICS LETTERS B | 1999年 / 469卷 / 1-4期
关键词：
Feynman diagrams; higher order perturbative calculations;
D O I：
10.1016/S0370-2693(99)01277-0
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The non-planar Feynman diagram with seven massless, scalar propagators and four on-shell legs (the crossed double box) is calculated analytically in dimensional regularization. The non-planar diagram with six propagators is also discussed. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：225 / 234
页数：10
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