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题名: A light Higgs scalar in the NMSSM confronted with the latest LHC Higgs data
作者: Cao, JJ ;  Ding, FF ;  Han, CC ;  Yang, JM ;  Zhu, JY
刊名: JOURNAL OF HIGH ENERGY PHYSICS
出版日期: 2013
期号: 11, 页码:18
关键词: STANDARD MODEL ;  DARK-MATTER ;  MSSM ;  BOSON ;  MASS ;  DISCOVERY ;  SECTOR ;  CMSSM ;  CONSTRAINTS ;  MU(+)MU(-)
学科分类: Physics
通讯作者: Cao, JJ (reprint author), Henan Normal Univ, Dept Phys, Xinxiang 453007, Peoples R China.
部门归属: [Cao, Junjie; Ding, Fangfang] Henan Normal Univ, Dept Phys, Xinxiang 453007, Peoples R China; [Cao, Junjie] Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China; [Han, Chengcheng; Yang, Jin Min; Zhu, Jingya] Acad Sinica, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China
英文摘要: In the Next-to-Minimal Supersymemtric Standard Model (NMSSM), one of the neutral Higgs scalars (CP-even or CP-odd) may be lighter than half of the SM-like Higgs boson. In this case, the SM-like Higgs boson h can decay into such a light scalar pair and consequently the gamma gamma and ZZ* signal rates at the LHC will be suppressed. In this work, we examine the constraints of the latest LHC Higgs data on such a possibility. We perform a comprehensive scan over the parameter space of the NMSSM by considering various experimental constraints and find that the LHC Higgs data can readily constrain the parameter space and the properties of the light scalar, e.g., at 3 sigma level this light scalar should be highly singlet dominant and the branching ratio of the SM-like Higgs boson decay into the scalar pair should be less than 30%. Also we investigate the detection of this scalar at various colliders. Through a detailed Monte Carlo simulation we find that under the constraints of the current Higgs data this light scalar can be accessible at the LHC-14 with an integrated luminosity over 300 fb(-1).
资助者: National Natural Science Foundation of China (NNSFC) [10821504, 11135003, 10775039, 11075045]; Specialized Research Fund for the Doctoral Program of Higher Education [20104104110001]; Chinese Academy of Sciences [KJCX2.YW.W10]
收录类别: SCI
原文出处: 查看原文
语种: 英语
WOS记录号: WOS:000326699200006
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/15245
Appears in Collections:理论物理所2013年知识产出 _期刊论文

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Recommended Citation:
Cao, JJ,Ding, FF,Han, CC,et al. A light Higgs scalar in the NMSSM confronted with the latest LHC Higgs data[J]. JOURNAL OF HIGH ENERGY PHYSICS,2013(11):18.
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