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题名: Gravitational interaction of Higgs boson and weak boson scattering
作者: Xianyu, ZZ ;  Ren, J ;  He, HJ
刊名: PHYSICAL REVIEW D
出版日期: 2013
卷号: 88, 期号:9, 页码:96013
关键词: ONE-LOOP DIVERGENCES ;  STANDARD MODEL ;  LHC ;  REDUCTION ;  UNITARITY ;  MASS
学科分类: Physics
通讯作者: He, HJ (reprint author), Tsinghua Univ, Inst Modern Phys, Beijing 100084, Peoples R China.
部门归属: [Xianyu, Zhong-Zhi; Ren, Jing; He, Hong-Jian] Tsinghua Univ, Inst Modern Phys, Beijing 100084, Peoples R China; [Xianyu, Zhong-Zhi; Ren, Jing; He, Hong-Jian] Tsinghua Univ, Ctr High Energy Phys, Beijing 100084, Peoples R China; [He, Hong-Jian] Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China; [He, Hong-Jian] Chinese Acad Sci, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China
英文摘要: With the LHC discovery of a 125 GeV Higgs-like boson, we study the gravitational interaction of the Higgs boson via the unique dimension-four operator involving the Higgs doublet and scalar curvature, xi HyHR, with nonminimal coupling xi. This Higgs portal term can be transformed away in the Einstein frame and induces gauge-invariant effective interactions in the Higgs sector. We study the weak boson scattering in the Einstein frame and explicitly demonstrate the longitudinal-Goldstone boson equivalence theorem in the presence of xi coupling. With these, we derive a perturbative unitarity bound on the Higgs gravitational coupling xi in the Einstein frame, which is stronger than that inferred from the LHC Higgs measurements. We further study xi -dependent weak boson scattering cross sections at the TeV scale and propose a new LHC probe of Higgs-gravity coupling xi via weak boson scattering experiments.
资助者: National NSF of China [11275101, 11135003]; National Basic Research Program [2010CB833000]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000327387600012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15225
Appears in Collections:理论物理所2013年知识产出 _期刊论文

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Recommended Citation:
Xianyu, ZZ,Ren, J,He, HJ. Gravitational interaction of Higgs boson and weak boson scattering[J]. PHYSICAL REVIEW D,2013,88(9):96013.
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