Interpretation of 750 GeV diphoton excess at LHC in singlet extension of color-octet neutrino mass model
Ding, R; Han, ZL; Liao, Y1; Ma, XD
刊名EUROPEAN PHYSICAL JOURNAL C
2016
卷号76期号:4页码:204
关键词ELECTROWEAK SYMMETRY-BREAKING PP COLLISIONS ROOT-S=8 TEV ATLAS DETECTOR HIGGS-BOSON SEARCH RESONANCES ANATOMY
DOIhttp://dx.doi.org/10.1140/epjc/s10052-016-4052-6
英文摘要We propose that the possible 750 GeVdiphoton excess can be explained in the color-octet neutrino mass model extended with a scalar singlet Phi. The model generally contains N-s species of color-octet, electroweak doublet scalars S and N-f species of color-octet, electroweak triplet chi or singlet rho fermions. While both scalars and fermions contribute to the production of Phi through gluon fusion, only the charged members induce the diphoton decay of Phi. The diphoton rate can be significantly enhanced due to interference between the scalar and fermion loops. We show that the diphoton cross section can be from 3 to 10 fb for O(TeV) color-octet particles while evading all current LHC limits.
学科主题Physics
语种英语
资助机构CAS Center for Excellence in Particle Physics (CCEPP) ; [NSFC-11025525] ; [NSFC-11575089]
内容类型期刊论文
源URL[http://ir.itp.ac.cn/handle/311006/23189]  
专题理论物理研究所_理论物理所1978-2010年知识产出
作者单位1.Nankai Univ, Sch Phys, Tianjin 300071, Peoples R China
2.Peking Univ, Ctr High Energy Phys, Beijing 100871, Peoples R China
3.Chinese Acad Sci, State Key Lab Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China
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Ding, R,Han, ZL,Liao, Y,et al. Interpretation of 750 GeV diphoton excess at LHC in singlet extension of color-octet neutrino mass model[J]. EUROPEAN PHYSICAL JOURNAL C,2016,76(4):204.
APA Ding, R,Han, ZL,Liao, Y,&Ma, XD.(2016).Interpretation of 750 GeV diphoton excess at LHC in singlet extension of color-octet neutrino mass model.EUROPEAN PHYSICAL JOURNAL C,76(4),204.
MLA Ding, R,et al."Interpretation of 750 GeV diphoton excess at LHC in singlet extension of color-octet neutrino mass model".EUROPEAN PHYSICAL JOURNAL C 76.4(2016):204.
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