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Two-loop three-gluon vertex in the zero-momentum limit

被引：42
作者：
Davydychev, AI
Osland, P
Tarasov, OV
机构：
[1] Univ Bergen, Dept Phys, N-5007 Bergen, Norway
[2] Moscow MV Lomonosov State Univ, Inst Nucl Phys, Moscow 119899, Russia
[3] DESY, D-22603 Hamburg, Germany
[4] DESY Zeuthen, IfH, D-15738 Zeuthen, Germany
来源：
PHYSICAL REVIEW D | 1998年 / 58卷 / 03期
关键词：
D O I：
10.1103/PhysRevD.58.036007
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The two-loop three-gluon vertex is calculated in an arbitrary covariant gauge in the limit, when one of the external; momenta vanishes. The differential Ward-Slavnov-Taylor (WST) identity related to this limit is discussed, and the relevant results for the ghost-gluon vertex and two-point functions are obtained. Together with the differential WST identity, they provide another independent way for calculating the three-gluon vertex. The renormalization of the results obtained is also presented. [S0556-2821(98)03915-0].
引用
收藏
页码：0360071 / 03600714
页数：14
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