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题名: Promising interpretation of diphoton resonance at 750 GeV
作者: Bi, XJ ;  Ding, R ;  Fan, YZ ;  Huang, L ;  Li, C ;  Li, TJ ;  Raza, S ;  Wang, XC ;  Zhu, B
刊名: PHYSICAL REVIEW D
出版日期: 2016
卷号: 94, 期号:1, 页码:15012
学科分类: Astronomy & Astrophysics; Physics
DOI: http://dx.doi.org/10.1103/PhysRevD.94.015012
通讯作者: Bi, XJ (reprint author), Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, Beijing 100049, Peoples R China.
文章类型: Article
英文摘要: Recently, an excess of events in diphoton channel with invariant mass of about 750 GeV has been reported by the ATLAS and CMS Collaborations. Considering it as a tantalizing hint for new physics beyond the Standard Model (SM), we propose a simple extension of the SM with an additional doublet Higgs H' and a singlet s. We consider the neutral component H-0' of H' as the 750 GeV resonance and assume that s is lighter than 2.6 GeV. In particular, H-0' can be produced at tree level via q (q) over bar production and decay into a pair of s at tree level. Then s can decay into a pair of collimated photons, which cannot be distinguished at the LHC. We show that the diphoton production cross section can be from 3 to 13 fb, the decay width of H-0' can be from 30 to 60 GeV, and all the current experimental constraints including dijet constraint can be satisfied.
类目[WOS]: Astronomy & Astrophysics ;  Physics, Particles & Fields
关键词[WOS]: EXCESS ;  BREAKING ;  HIGGS ;  MODEL
收录类别: SCI
项目资助者: Natural Science Foundation of China [11135003, 11275246, 11475238, 11475191, 11135009]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21593
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Recommended Citation:
Bi, XJ,Ding, R,Fan, YZ,et al. Promising interpretation of diphoton resonance at 750 GeV[J]. PHYSICAL REVIEW D,2016,94(1):15012.
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