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题名: Diboson excess and Z'-predictions via left-right nonlinear Higgs
作者: Shu, J ;  Yepes, J
刊名: MODERN PHYSICS LETTERS A
出版日期: 2016
卷号: 31, 期号:40, 页码:1650228
关键词: Nonlinear electroweak models ;  left right symmetry ;  diboson excess ;  dynamical Higgs
学科分类: Physics
DOI: http://dx.doi.org/10.1142/S021773231650228X
通讯作者: Yepes, J (reprint author), Chinese Acad Sci, State Key Lab Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China.
文章类型: Article
英文摘要: The 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.
类目[WOS]: Physics, Nuclear ;  Physics, Particles & Fields ;  Physics, Mathematical
关键词[WOS]: RIGHT SYMMETRIC MODELS ;  STANDARD MODEL ;  PHENOMENOLOGICAL ASPECTS ;  GAUGE-MODEL ;  SU(2)QXSU(2)LXU(1)Y MODEL ;  HEAVY NEUTRINOS ;  ATLAS DETECTOR ;  PP COLLISIONS ;  ROOT-S=8 TEV ;  W-BOSONS
收录类别: SCI
项目资助者: KITPC
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21456
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Recommended Citation:
Shu, J,Yepes, J. Diboson excess and Z'-predictions via left-right nonlinear Higgs[J]. MODERN PHYSICS LETTERS A,2016,31(40):1650228.
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