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The rational parts of one-loop QCD amplitudes I: The general formalism
Xiao, Zhi-Guang; Yang, Gang; Zhu, Chuan-Jie; Zhu, CJ , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China
2006
发表期刊NUCLEAR PHYSICS B
ISSN0550-3213
卷号758期号:40910页码:1-34
摘要A general formalism for computing only the rational parts of one-loop QCD amplitudes is developed. Starting from the Feynman integral representation of the one-loop amplitude, we use tensor reduction and recursive relations to compute the rational parts directly. Explicit formulas for the rational parts are given for all bubble and triangle integrals. Formulas are also given for box integrals up to two-mass-hard boxes which are the needed ingredients to compute up to 6-gluon QCD amplitudes. We use this method to compute explicitly the rational pans of the 5- and 6-gluon QCD amplitudes in two accompanying papers. (c) 2006 Elsevier B.V. All rights reserved.
部门归属Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Chinese Acad Sci, Interdisciplinary Ctr Theoret Studies, Beijing 100080, Peoples R China; Zhejiang Univ, Ctr Math Sci, Hangzhou 310027, Peoples R China
关键词Super-yang-mills Gauge-theory Amplitudes Helicity Amplitudes Feynman Diagrams Twistor Space Mhv Vertices Multiple Bremsstrahlung Scattering-amplitudes Numerical Evaluation Fermion Processes
学科领域Physics
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收录类别SCI
WOS记录号WOS:000242495900001
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被引频次:33[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5822
专题理论物理所SCI论文
通讯作者Zhu, CJ , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China
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Xiao, Zhi-Guang,Yang, Gang,Zhu, Chuan-Jie,et al. The rational parts of one-loop QCD amplitudes I: The general formalism[J]. NUCLEAR PHYSICS B,2006,758(40910):1-34.
APA Xiao, Zhi-Guang,Yang, Gang,Zhu, Chuan-Jie,&Zhu, CJ , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.(2006).The rational parts of one-loop QCD amplitudes I: The general formalism.NUCLEAR PHYSICS B,758(40910),1-34.
MLA Xiao, Zhi-Guang,et al."The rational parts of one-loop QCD amplitudes I: The general formalism".NUCLEAR PHYSICS B 758.40910(2006):1-34.
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