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Dutta, B; Gao, Y; Ghosh, T; Gogoladze, I; Li, TJ; Walker, JW; Dutta, B (reprint author), Texas A&M Univ, Mitchell Inst Fundamental Phys & Astron, Dept Phys & Astron, College Stn, TX 77843 USA.
SU(6) GUT origin of the TeV-scale vectorlike particles associated with the 750 GeV diphoton resonance
发表期刊PHYSICAL REVIEW D
语种英语
摘要We consider the SU(6) grand unified theory (GUT) model as an explanation for the diphoton final state excess, where the masses of all associated particles are linked with a new symmetry breaking scale. In this model, the diphoton final states arise due to loops involving three pairs of new vectorlike particles having the same quantum numbers as down-type quarks and lepton doublets. These new vectorlike fermions arc embedded alongside the standard model (SM) fermions into minimal anomaly-free representations of the SU(6) gauge symmetry. The SU(6) symmetry is broken to the standard model times U(1)(x) at the GUT scale, and masses for the vectorlike fermions arise at the TeV scale only after the residual U(1)(x) symmetry is broken. The vectorlike fermions do not acquire masses via breaking of the SM symmetry at the electroweak scale. The field which is responsible for the newly observed resonance belongs to the 6(H) representation. The dark matter arises from the SM singlet fermion residing in 6 and is of Majorana type. We explicitly demonstrate gauge coupling unification in this model, and also discuss the origin of neutrino masses. In addition to the diphoton final states, we make distinctive predictions for other final states which are likewise accessible to the ongoing LHC experimental effort.
2016
卷号94期号:3页码:36006
学科领域Astronomy & Astrophysics ; Physics
DOIhttp://dx.doi.org/10.1103/PhysRevD.94.036006
收录类别SCI
项目资助者DOE Award [DE-FG02-13ER42020] ; DOE Award [DE-FG02-13ER42020] ; DOE Award [DE-FG02-13ER42020] ; DOE Award [DE-FG02-13ER42020] ; Mitchell Institute for Fundamental Physics and Astronomy ; Mitchell Institute for Fundamental Physics and Astronomy ; Mitchell Institute for Fundamental Physics and Astronomy ; Mitchell Institute for Fundamental Physics and Astronomy ; Bartol Research Institute ; Bartol Research Institute ; Bartol Research Institute ; Bartol Research Institute ; Rustaveli National Science Foundation Grant [03/79] ; Rustaveli National Science Foundation Grant [03/79] ; Rustaveli National Science Foundation Grant [03/79] ; Rustaveli National Science Foundation Grant [03/79] ; Natural Science Foundation of China [11135003, 11275246, 11475238] ; Natural Science Foundation of China [11135003, 11275246, 11475238] ; Natural Science Foundation of China [11135003, 11275246, 11475238] ; Natural Science Foundation of China [11135003, 11275246, 11475238] ; National Science Foundation Grant [PHY-1521105] ; National Science Foundation Grant [PHY-1521105] ; National Science Foundation Grant [PHY-1521105] ; National Science Foundation Grant [PHY-1521105]
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/21556
专题理论物理所科研产出_SCI论文
通讯作者Dutta, B (reprint author), Texas A&M Univ, Mitchell Inst Fundamental Phys & Astron, Dept Phys & Astron, College Stn, TX 77843 USA.
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Dutta, B,Gao, Y,Ghosh, T,et al. SU(6) GUT origin of the TeV-scale vectorlike particles associated with the 750 GeV diphoton resonance[J]. PHYSICAL REVIEW D,2016,94(3):36006.
APA Dutta, B.,Gao, Y.,Ghosh, T.,Gogoladze, I.,Li, TJ.,...&Dutta, B .(2016).SU(6) GUT origin of the TeV-scale vectorlike particles associated with the 750 GeV diphoton resonance.PHYSICAL REVIEW D,94(3),36006.
MLA Dutta, B,et al."SU(6) GUT origin of the TeV-scale vectorlike particles associated with the 750 GeV diphoton resonance".PHYSICAL REVIEW D 94.3(2016):36006.
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