Search for doubly charged Higgs bosons in like-sign dilepton final states at root s=7 TeV with the ATLAS detector
ATLAS Collaboration
刊名EUROPEAN PHYSICAL JOURNAL C
2012
卷号72期号:12
关键词MAJORANA NEUTRINO MASSES LEPTON-NUMBER MODEL VIOLATION SYMMETRY PARITY LHC
学科分类Physics
DOI10.1140/epjc/s10052-012-2244-2
通讯作者Ju, X (reprint author), CERN, CH-1211 Geneva 23, Switzerland.
英文摘要A search for doubly charged Higgs bosons decaying to pairs of electrons and/or muons is presented. The search is performed using a data sample corresponding to an integrated luminosity of 4.7 fb(-1) of pp collisions at root s = 7 TeV collected by the ATLAS detector at the LHC. Pairs of prompt, isolated, high-p(T) leptons with the same electric charge (e(+/-)e(+/-), e(+/-)mu, mu(+/-)mu(+/-)) are selected, and their invariant mass distribution is searched for a narrow resonance. No significant excess over Standard Model background expectations is observed, and limits are placed on the cross section times branching ratio for pair production of doubly charged Higgs bosons. The masses of doubly charged Higgs bosons are constrained depending on the branching ratio into these leptonic final states. Assuming pair production, coupling to left-handed fermions, and a branching ratio of 100% for each final state, masses below 409 GeV, 375 GeV, and 398 GeV are excluded for e(+/-)e(+/-), e(+/-)mu(+/-),and mu(+/-)mu(+/-), respectively.
类目[WOS]Physics, Particles & Fields
收录类别SCI
语种英语
WOS记录号WOS:000314407400015
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被引频次:60[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/213449
专题中国科学院高能物理研究所_实验物理中心_期刊论文
作者单位中国科学院高能物理研究所
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ATLAS Collaboration. Search for doubly charged Higgs bosons in like-sign dilepton final states at root s=7 TeV with the ATLAS detector[J]. EUROPEAN PHYSICAL JOURNAL C,2012,72(12).
APA ATLAS Collaboration.(2012).Search for doubly charged Higgs bosons in like-sign dilepton final states at root s=7 TeV with the ATLAS detector.EUROPEAN PHYSICAL JOURNAL C,72(12).
MLA ATLAS Collaboration."Search for doubly charged Higgs bosons in like-sign dilepton final states at root s=7 TeV with the ATLAS detector".EUROPEAN PHYSICAL JOURNAL C 72.12(2012).
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