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Shu, J; Yepes, J
Diboson excess and Z'-predictions via left-right nonlinear Higgs
Source PublicationMODERN PHYSICS LETTERS A
Language英语
KeywordNonlinear electroweak models RIGHT SYMMETRIC MODELS left right symmetry STANDARD MODEL diboson excess PHENOMENOLOGICAL ASPECTS dynamical Higgs GAUGE-MODEL SU(2)QXSU(2)LXU(1)Y MODEL HEAVY NEUTRINOS ATLAS DETECTOR PP COLLISIONS ROOT-S=8 TEV W-BOSONS
AbstractThe excess events reported by the ATLAS collaboration in the WZ-final state, and by the CMS collaboration in the e(+)e(-) jj, Wh and jj-final states, may be induced by the decays of a heavy boson W' in the 1.8-2 TeV mass range, here modeled via the larger local group SU(2)(L) x SU(2)(R) x U(1)(B-L) in a nonlinear dynamical Higgs scenario. The W'-production cross-section at the 13 TeV LHC is around 700-1200 fb. This framework also predicts a heavy Z' boson with a mass of 2.5-4 TeV, and some decay channels testable in the LHC Run II. We determine the cross-section times branching fractions for the dijet, dilepton and top-pair Z'-decay channels at the 13 TeV LHC around 2.3, 7.1, 70.2 fb, respectively, for M-z' = 2.5 TeV, while one/two orders of magnitude smaller for the dijet/dilepton and top-pair modes at M-z' = 4 TeV. Nonzero contributions from the effective operators, and the underlying Higgs sector of the model, will induce sizeable enhancement in the W+W- and Zh-final states that could be probed in the future LHC Run II.
2016
Volume31Issue:40Pages:1650228
Subject AreaPhysics
DOIhttp://dx.doi.org/10.1142/S021773231650228X
Indexed BySCI
Funding OrganizationKITPC
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/23097
Collection理论物理所科研产出_SCI论文
AffiliationChinese Acad Sci, State Key Lab Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China; Chinese Acad Sci, KITPC, Inst Theoret Phys, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Shu, J,Yepes, J. Diboson excess and Z'-predictions via left-right nonlinear Higgs[J]. MODERN PHYSICS LETTERS A,2016,31(40):1650228.
APA Shu, J,&Yepes, J.(2016).Diboson excess and Z'-predictions via left-right nonlinear Higgs.MODERN PHYSICS LETTERS A,31(40),1650228.
MLA Shu, J,et al."Diboson excess and Z'-predictions via left-right nonlinear Higgs".MODERN PHYSICS LETTERS A 31.40(2016):1650228.
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