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

Aad, G.
•
Abajyan, T.
•
Abbott, B.
altro
GIORDANI, Mario
2012
  • journal article

Periodico
THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS
Abstract
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−1of pp collisions at √s = 7 TeV collected by the ATLAS detector at the LHC. Pairs of prompt, isolated, high-pT 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.
DOI
10.1140/epjc/s10052-012-2244-2
WOS
WOS:000314407400015
Archivio
http://hdl.handle.net/11390/1110437
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84873104381
http://link.springer-ny.com/link/service/journals/10052/index.htm
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Soggetti
  • Engineering (miscella...

  • Physics and Astronomy...

Scopus© citazioni
122
Data di acquisizione
Jun 7, 2022
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Web of Science© citazioni
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Data di acquisizione
Mar 28, 2024
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Data di acquisizione
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