ITP OpenIR  > 理论物理所1978-2010年知识产出
Unitarity method with spurious pole
Feng, Bo; Yang, Gang; Yang, G , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100190, Peoples R China
2009
发表期刊NUCLEAR PHYSICS B
ISSN0550-3213
卷号811期号:40910页码:305-352
摘要In unitarity cut method, compact input of on-shell tree level amplitudes is crucial to simplify calculations. Although BCFW on-shell recursion relation gives very compact tree level amplitudes, they usually contain spurious poles. In this paper, we present a method to deal with this issue and provide explicit simple algebraic functions for various coefficients in the presence of spurious poles. As an application, we present analytic result (not just rational term) for one-loop five gluon A(- + + + +) with scalar propagator for the first time. (c) 2008 Elsevier B.V. All rights reserved.
部门归属[Yang, G] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China; [Feng, B] Zhejiang Univ, Ctr Math Sci, Hangzhou 310003, Zhejiang, Peoples R China
关键词One-loop Amplitudes Super-yang-mills Gauge-theory Amplitudes Algebraic Reduction Feynman Diagrams Scalar Integrals Rational Parts Scattering-amplitudes Tree Amplitudes Mhv Vertices
学科领域Physics
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收录类别SCI
WOS记录号WOS:000263249800012
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被引频次:7[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/311006/5345
专题理论物理所1978-2010年知识产出
通讯作者Yang, G , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100190, Peoples R China
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GB/T 7714
Feng, Bo,Yang, Gang,Yang, G , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100190, Peoples R China. Unitarity method with spurious pole[J]. NUCLEAR PHYSICS B,2009,811(40910):305-352.
APA Feng, Bo,Yang, Gang,&Yang, G , Chinese Acad Sci, Inst Theoret Phys, POB 2735, Beijing 100190, Peoples R China.(2009).Unitarity method with spurious pole.NUCLEAR PHYSICS B,811(40910),305-352.
MLA Feng, Bo,et al."Unitarity method with spurious pole".NUCLEAR PHYSICS B 811.40910(2009):305-352.
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