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The 750 GeV diphoton excess at the LHC and dark matter constraints

文献类型:期刊论文

作者Yin, PF; Bi XJ(毕效军); Xiang QF(向仟飞); Yin PF(殷鹏飞); Yu, ZH; Xiang, QF; Bi, XJ
刊名NUCLEAR PHYSICS B
出版日期2016
卷号909页码:43
DOI10.1016/j.nuclphysb.2016.04.042
通讯作者殷鹏飞
英文摘要The recent reported 750 GeV diphoton excess at the 13 TeV LHC is explained in the framework of effective field theory assuming the diphoton resonance is a scalar (pseudoscalar) particle. It is found that the large production rate and the broad width of this resonance are hard to be simultaneously explained if only visible final states are considered. Therefore an invisible decay channel to dark matter (DM) is strongly favored by the diphoton resonance with a broad width, given a large coupling of the new scalar to DM. We set constraints on the parameter space in this scenario using the results from LHC Run 1, DM relic density, and DM direct and indirect detection experiments. We find that the DM searches can exclude a large portion of the parameter regions accounting for the diphoton excess with a broad width. (C) 2016 The Authors. Published by Elsevier B.V.
语种英语
WOS记录号WOS:000381648400003
源URL[http://ir.ihep.ac.cn/handle/311005/260800]  
专题中国科学院高能物理研究所
作者单位中国科学院高能物理研究所
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Yin, PF,Bi XJ,Xiang QF,et al. The 750 GeV diphoton excess at the LHC and dark matter constraints[J]. NUCLEAR PHYSICS B,2016,909:43.
APA Yin, PF.,毕效军.,向仟飞.,殷鹏飞.,Yu, ZH.,...&Bi, XJ.(2016).The 750 GeV diphoton excess at the LHC and dark matter constraints.NUCLEAR PHYSICS B,909,43.
MLA Yin, PF,et al."The 750 GeV diphoton excess at the LHC and dark matter constraints".NUCLEAR PHYSICS B 909(2016):43.

入库方式: OAI收割

来源:高能物理研究所

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