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Das, K; Li, TJ; Nandi, S; Rai, SK; Das, K (reprint author), Harish Chandra Res Inst, Chhatnag Rd, Allahabad 211019, Uttar Pradesh, India.
Diboson excesses in an anomaly free leptophobic left-right model
Source PublicationPHYSICAL REVIEW D
Language英语
AbstractThe resonant excesses around 2 TeV reported by the ATLAS Collaboration can be explained in the left-right model, and the tight constraints from lepton plus missing energy searches can be evaded if the SU(2)(R) gauge symmetry is leptophobic. We, for the first time, propose an anomaly-free leptophobic left-right model with gauge symmetry SU(3)(C) x SU(2)(L) x SU(2)(R) x U(1)(X), where the SM leptons are singlets under SU(2)(R). The gauge anomalies are cancelled by introducing extra vectorlike quarks. The mass of the Z' gauge boson, which cannot be leptophobic, is assumed to be around or above 2.5 TeV so that the constraint on the dilepton final state can be avoided. Moreover, we find that the W' -> WZ channel cannot explain the ATLAS diboson excess due to the tension with the constraint on the W' -> jj decay mode. We solve this problem by considering the mixings between the SM quarks and vectorlike quarks. We show explicitly that the ATLAS diboson excess can be explained in the viable parameter space of our model, which is consistent with all the current experimental constraints.
2016
Volume93Issue:1Pages:16006
Subject AreaAstronomy & Astrophysics ; Physics
DOIhttp://dx.doi.org/10.1103/PhysRevD.93.016006
Indexed BySCI
Funding OrganizationDepartment of Atomic Energy, Government of India ; Department of Atomic Energy, Government of India ; Department of Atomic Energy, Government of India ; Department of Atomic Energy, Government of India ; Harish-Chandra Research Institute ; Harish-Chandra Research Institute ; Harish-Chandra Research Institute ; Harish-Chandra Research Institute ; 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] ; U.S. Department of Energy [DE-SC0010108] ; U.S. Department of Energy [DE-SC0010108] ; U.S. Department of Energy [DE-SC0010108] ; U.S. Department of Energy [DE-SC0010108]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/21804
Collection理论物理所科研产出_SCI论文
Corresponding AuthorDas, K (reprint author), Harish Chandra Res Inst, Chhatnag Rd, Allahabad 211019, Uttar Pradesh, India.
Recommended Citation
GB/T 7714
Das, K,Li, TJ,Nandi, S,et al. Diboson excesses in an anomaly free leptophobic left-right model[J]. PHYSICAL REVIEW D,2016,93(1):16006.
APA Das, K,Li, TJ,Nandi, S,Rai, SK,&Das, K .(2016).Diboson excesses in an anomaly free leptophobic left-right model.PHYSICAL REVIEW D,93(1),16006.
MLA Das, K,et al."Diboson excesses in an anomaly free leptophobic left-right model".PHYSICAL REVIEW D 93.1(2016):16006.
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