Search for doubly charged Higgs bosons in like-sign dilepton final states at √s¯= 7 TeV with the ATLAS detector

Aad, G.

doi:10.1140/epjc/s10052-012-2244-2

Search for doubly charged Higgs bosons in like-sign dilepton final states at √s¯= 7 TeV with the ATLAS detector

Journal Article · Tue Dec 04 00:00:00 EST 2012 · European Physical Journal. C, Particles and Fields

DOI:https://doi.org/10.1140/epjc/s10052-012-2244-2· OSTI ID:1200817

Aad, G. ^[1]

et al.; University of Pennsylvania

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 √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^±μ^±, μ^±μ^±) 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^±μ^±, and μ^±μ^±, respectively.

View Accepted Manuscript (DOE)

Research Organization:: Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Univ. of Pennsylvania, Philadelphia, PA (United States)

Sponsoring Organization:: USDOE Office of Science (SC); USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25)

Contributing Organization:: ATLAS Collaboration; The ATLAS Collaboration

Grant/Contract Number:: AC02-05CH11231; FG02-95ER40893

OSTI ID:: 1200817

Alternate ID(s):: OSTI ID: 22083240
OSTI ID: 1409408
OSTI ID: 1838834

Journal Information:: European Physical Journal. C, Particles and Fields, Journal Name: European Physical Journal. C, Particles and Fields Journal Issue: 12 Vol. 72; ISSN 1434-6044

Publisher:: SpringerCopyright Statement

Country of Publication:: United States

Language:: English

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Table 1 Aad, Georges; Abajyan, Tatevik; Abbott, Brad https://doi.org/10.17182/HEPDATA.40316.V1/T1 The current record is supplemented by this dataset	dataset	January 2013
Search for doubly-charged Higgs bosons in like-sign dilepton final states at √s = 7 TeV with the ATLAS detector [Supplemental Data] No authors listed https://doi.org/10.17182/hepdata.40316 The current record is supplemented by this dataset	dataset	December 2012
Search for doubly-charged Higgs bosons in like-sign dilepton final states at √s = 7 TeV with the ATLAS detector [Supplemental Data] No authors listed https://doi.org/10.17182/hepdata.40316.v1 The current record is supplemented by this dataset	dataset	December 2012
Table 2 Aad, Georges; Abajyan, Tatevik; Abbott, Brad https://doi.org/10.17182/hepdata.40316.v1/t2 The current record is supplemented by this dataset	dataset	January 2013

Search for doubly charged Higgs bosons in like-sign dilepton final states at √s¯= 7 TeV with the ATLAS detector

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References (28)

Cited By (45)

Linked Research (4)

Figures / Tables (4)

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