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The Z plus photon and diphoton decays of the Higgs boson as a joint probe of low energy SUSY models
Cao, JJ; Wu, L; Wu, PW; Yang, JM; Cao, JJ (reprint author), Henan Normal Univ, Dept Phys, Xinxiang 453007, Peoples R China.
2013
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
ISSN1029-8479
期号9
摘要In light of recent remarkable progress in Higgs search at the LHC, we study the rare decay process h -> Z gamma and show its correlation with the decay h -> gamma gamma in low energy SUSY models such as CMSSM, MSSM, NMSSM and nMSSM. Under various experimental constraints, we scan the parameter space of each model, and present in the allowed parameter space the SUSY predictions on the Z gamma and gamma gamma signal rates in the Higgs production at the LHC and future e(+) e(-) linear colliders. We have following observations: (i) Compared with the SM prediction, the Z gamma and gamma gamma signal rates in the CMSSM are both slightly suppressed; (ii) In the MSSM, both the Z gamma and gamma gamma rates can be either enhanced or suppressed, and in optimal case, the enhancement factors at the LHC can reach 1.1 and 2 respectively; (iii) In the NMSSM, the Z gamma and gamma gamma signal rates normalized by their SM predictions are strongly correlated, and at the LHC the rates vary from 0.2 to 2; (iv) In the nMSSM, the Z gamma and gamma gamma rates are both greatly reduced. Since the correlation behavior between the Z gamma signal and the gamma gamma signal is so model-dependent, it may be used to distinguish the models in future experiments.
部门归属[Cao, Junjie] Henan Normal Univ, Dept Phys, Xinxiang 453007, Peoples R China; [Cao, Junjie] Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China; [Wu, Lei; Wu, Peiwen; Yang, Jin Min] Acad Sinica, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
关键词Supersymmetric Standard Model Local Supersymmetry Dark-matter Gamma-gamma Mssm Masses Nmssm Lhc Couplings Extension
学科领域Physics
资助者National Natural Science Foundation of China (NNSFC) [10775039, 11075045, 11275245, 10821504, 11135003]; Project of Knowledge Innovation Program (PKIP) of Chinese Academy of Sciences [KJCX2.YW.W10] ; National Natural Science Foundation of China (NNSFC) [10775039, 11075045, 11275245, 10821504, 11135003]; Project of Knowledge Innovation Program (PKIP) of Chinese Academy of Sciences [KJCX2.YW.W10] ; National Natural Science Foundation of China (NNSFC) [10775039, 11075045, 11275245, 10821504, 11135003]; Project of Knowledge Innovation Program (PKIP) of Chinese Academy of Sciences [KJCX2.YW.W10] ; National Natural Science Foundation of China (NNSFC) [10775039, 11075045, 11275245, 10821504, 11135003]; Project of Knowledge Innovation Program (PKIP) of Chinese Academy of Sciences [KJCX2.YW.W10] ; National Natural Science Foundation of China (NNSFC) [10775039, 11075045, 11275245, 10821504, 11135003]; Project of Knowledge Innovation Program (PKIP) of Chinese Academy of Sciences [KJCX2.YW.W10] ; National Natural Science Foundation of China (NNSFC) [10775039, 11075045, 11275245, 10821504, 11135003]; Project of Knowledge Innovation Program (PKIP) of Chinese Academy of Sciences [KJCX2.YW.W10] ; National Natural Science Foundation of China (NNSFC) [10775039, 11075045, 11275245, 10821504, 11135003]; Project of Knowledge Innovation Program (PKIP) of Chinese Academy of Sciences [KJCX2.YW.W10] ; National Natural Science Foundation of China (NNSFC) [10775039, 11075045, 11275245, 10821504, 11135003]; Project of Knowledge Innovation Program (PKIP) of Chinese Academy of Sciences [KJCX2.YW.W10]
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收录类别SCI
语种英语
资助者National Natural Science Foundation of China (NNSFC) [10775039, 11075045, 11275245, 10821504, 11135003]; Project of Knowledge Innovation Program (PKIP) of Chinese Academy of Sciences [KJCX2.YW.W10] ; National Natural Science Foundation of China (NNSFC) [10775039, 11075045, 11275245, 10821504, 11135003]; Project of Knowledge Innovation Program (PKIP) of Chinese Academy of Sciences [KJCX2.YW.W10] ; National Natural Science Foundation of China (NNSFC) [10775039, 11075045, 11275245, 10821504, 11135003]; Project of Knowledge Innovation Program (PKIP) of Chinese Academy of Sciences [KJCX2.YW.W10] ; National Natural Science Foundation of China (NNSFC) [10775039, 11075045, 11275245, 10821504, 11135003]; Project of Knowledge Innovation Program (PKIP) of Chinese Academy of Sciences [KJCX2.YW.W10] ; National Natural Science Foundation of China (NNSFC) [10775039, 11075045, 11275245, 10821504, 11135003]; Project of Knowledge Innovation Program (PKIP) of Chinese Academy of Sciences [KJCX2.YW.W10] ; National Natural Science Foundation of China (NNSFC) [10775039, 11075045, 11275245, 10821504, 11135003]; Project of Knowledge Innovation Program (PKIP) of Chinese Academy of Sciences [KJCX2.YW.W10] ; National Natural Science Foundation of China (NNSFC) [10775039, 11075045, 11275245, 10821504, 11135003]; Project of Knowledge Innovation Program (PKIP) of Chinese Academy of Sciences [KJCX2.YW.W10] ; National Natural Science Foundation of China (NNSFC) [10775039, 11075045, 11275245, 10821504, 11135003]; Project of Knowledge Innovation Program (PKIP) of Chinese Academy of Sciences [KJCX2.YW.W10]
WOS记录号WOS:000325227500011
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被引频次:16[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/311006/15281
专题理论物理所SCI论文
通讯作者Cao, JJ (reprint author), Henan Normal Univ, Dept Phys, Xinxiang 453007, Peoples R China.
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Cao, JJ,Wu, L,Wu, PW,et al. The Z plus photon and diphoton decays of the Higgs boson as a joint probe of low energy SUSY models[J]. JOURNAL OF HIGH ENERGY PHYSICS,2013(9).
APA Cao, JJ,Wu, L,Wu, PW,Yang, JM,&Cao, JJ .(2013).The Z plus photon and diphoton decays of the Higgs boson as a joint probe of low energy SUSY models.JOURNAL OF HIGH ENERGY PHYSICS(9).
MLA Cao, JJ,et al."The Z plus photon and diphoton decays of the Higgs boson as a joint probe of low energy SUSY models".JOURNAL OF HIGH ENERGY PHYSICS .9(2013).
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