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Guo, J; Li, JM; Li, TJ; Williams, AG; Guo, J (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
NMSSM explanations of the Galactic center gamma ray excess and promising LHC searches
Source PublicationPHYSICAL REVIEW D
Language英语
AbstractThe Galactic center excess is explained in the framework of the Next-to-Minimal Supersymmetric Standard Model with a Z(3) discrete symmetry. We show that a resonant CP-odd Higgs boson with mass twice that of the Dark Matter (DM) candidate is favored. Meanwhile, the DM candidate is required to have relatively large coupling with the Z boson through its Higgsino component in order to obtain correct DM relic density. Its LHC discovery potential via four signatures is discussed in detail. We find that the most sensitive signals are provided by the Higgsino-like chargino and neutralino pair production with their subsequent decays into W bosons, Z bosons, and DM. The majority of the relevant parameter space can be probed at the Large Hadron Collider with a center-of-mass energy of 14 TeV and an integrated luminosity 1000 fb(-1).
2015
Volume91Issue:9Pages:95003
Subject AreaAstronomy & Astrophysics ; Physics
DOIhttp://dx.doi.org/10.1103/PhysRevD.91.095003
Indexed BySCI
Funding OrganizationAustralian Research Council [CE110001004] ; Australian Research Council [CE110001004] ; Australian Research Council [CE110001004] ; Australian Research Council [CE110001004] ; University of Adelaide ; University of Adelaide ; University of Adelaide ; University of Adelaide ; Natural Science Foundation of China [10821504, 11075194, 11135003, 11275246, 11475238] ; Natural Science Foundation of China [10821504, 11075194, 11135003, 11275246, 11475238] ; Natural Science Foundation of China [10821504, 11075194, 11135003, 11275246, 11475238] ; Natural Science Foundation of China [10821504, 11075194, 11135003, 11275246, 11475238] ; National Basic Research Program of China (973 Program) [2010CB833000] ; National Basic Research Program of China (973 Program) [2010CB833000] ; National Basic Research Program of China (973 Program) [2010CB833000] ; National Basic Research Program of China (973 Program) [2010CB833000]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/21009
Collection理论物理所科研产出_SCI论文
Corresponding AuthorGuo, J (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
Recommended Citation
GB/T 7714
Guo, J,Li, JM,Li, TJ,et al. NMSSM explanations of the Galactic center gamma ray excess and promising LHC searches[J]. PHYSICAL REVIEW D,2015,91(9):95003.
APA Guo, J,Li, JM,Li, TJ,Williams, AG,&Guo, J .(2015).NMSSM explanations of the Galactic center gamma ray excess and promising LHC searches.PHYSICAL REVIEW D,91(9),95003.
MLA Guo, J,et al."NMSSM explanations of the Galactic center gamma ray excess and promising LHC searches".PHYSICAL REVIEW D 91.9(2015):95003.
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