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题名: Note on recursion relations for the Q-cut representation
作者: Feng, B ;  He, S ;  Huang, RJ ;  Luo, MX
刊名: JOURNAL OF HIGH ENERGY PHYSICS
出版日期: 2017
期号: 1, 页码:8
关键词: Scattering Amplitudes ;  Differential and Algebraic Geometry
学科分类: Physics
DOI: http://dx.doi.org/10.1007/JHEP01(2017)008
通讯作者: Huang, RJ (reprint author), Zhejiang Univ, Zhejiang Inst Modern Phys, Dept Phys, 38, Zheda Rd, Hangzhou 310027, Zhejiang, Peoples R China.
文章类型: Article
英文摘要: In this note, we study the Q-cut representation by combining it with BCFW deformation. As a consequence, the one-loop integrand is expressed in terms of a recursion relation, i.e., n-point one-loop integrand is constructed using tree-level amplitudes and m-point one-loop integrands with m <= n - 1. By giving explicit examples, we show that the integrand from the recursion relation is equivalent to that from Feynman diagrams or the original Q-cut construction, up to scale free terms.
类目[WOS]: Physics, Particles & Fields
项目资助者: Qiu-Shi Funding ;  National Natural Science Foundation of China (NSFC) [11135006, 11125523, 11575156] ;  Chinese Postdoctoral Administrative Committee ;  Thousand Young Talents program of CAS [QYZDBSSW-SYS014] ;  Key Research Program of Frontier Sciences of CAS [QYZDBSSW-SYS014]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/22157
Appears in Collections:理论物理所2017年知识产出_期刊论文

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Recommended Citation:
Feng, B,He, S,Huang, RJ,et al. Note on recursion relations for the Q-cut representation[J]. JOURNAL OF HIGH ENERGY PHYSICS,2017(1):8.
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