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Feng, B; He, S; Huang, RJ; Luo, MX; Huang, RJ (reprint author), Zhejiang Univ, Zhejiang Inst Modern Phys, Dept Phys, 38, Zheda Rd, Hangzhou 310027, Zhejiang, Peoples R China.
Note on recursion relations for the Q-cut representation
Source PublicationJOURNAL OF HIGH ENERGY PHYSICS
Language英语
KeywordScattering Amplitudes Differential And Algebraic Geometry
AbstractIn 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.
2017
Issue1Pages:8
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1007/JHEP01(2017)008
Funding OrganizationQiu-Shi Funding ; Qiu-Shi Funding ; Qiu-Shi Funding ; Qiu-Shi Funding ; National Natural Science Foundation of China (NSFC) [11135006, 11125523, 11575156] ; National Natural Science Foundation of China (NSFC) [11135006, 11125523, 11575156] ; National Natural Science Foundation of China (NSFC) [11135006, 11125523, 11575156] ; National Natural Science Foundation of China (NSFC) [11135006, 11125523, 11575156] ; Chinese Postdoctoral Administrative Committee ; Chinese Postdoctoral Administrative Committee ; Chinese Postdoctoral Administrative Committee ; Chinese Postdoctoral Administrative Committee ; Thousand Young Talents program of CAS [QYZDBSSW-SYS014] ; Thousand Young Talents program of CAS [QYZDBSSW-SYS014] ; Thousand Young Talents program of CAS [QYZDBSSW-SYS014] ; Thousand Young Talents program of CAS [QYZDBSSW-SYS014] ; Key Research Program of Frontier Sciences of CAS [QYZDBSSW-SYS014] ; Key Research Program of Frontier Sciences of CAS [QYZDBSSW-SYS014] ; Key Research Program of Frontier Sciences of CAS [QYZDBSSW-SYS014] ; Key Research Program of Frontier Sciences of CAS [QYZDBSSW-SYS014]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/22157
Collection理论物理所科研产出_SCI论文
Corresponding AuthorHuang, RJ (reprint author), Zhejiang Univ, Zhejiang Inst Modern Phys, Dept Phys, 38, Zheda Rd, Hangzhou 310027, Zhejiang, Peoples R China.
Recommended Citation
GB/T 7714
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.
APA Feng, B,He, S,Huang, RJ,Luo, MX,&Huang, RJ .(2017).Note on recursion relations for the Q-cut representation.JOURNAL OF HIGH ENERGY PHYSICS(1),8.
MLA Feng, B,et al."Note on recursion relations for the Q-cut representation".JOURNAL OF HIGH ENERGY PHYSICS .1(2017):8.
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