2012
DOI: 10.1140/epjc/s10052-012-2189-5
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A search for a doubly-charged Higgs boson in pp collisions at $\sqrt{s} = 7 \ \mbox{TeV}$

Abstract: A search for a doubly-charged Higgs boson in pp collisions at √ s = 7 TeV is presented. The data correspond to an integrated luminosity of 4.9 fb −1 , collected by the CMS experiment at the LHC. The search is performed using events with three or more isolated charged leptons of any flavor, giving sensitivity to the decays of pair-produced triplet components Φ ++ Φ −− , and Φ ++ Φ − from associated production. No excess is observed compared to the background prediction, and upper limits at the 95 % confidence l… Show more

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Cited by 197 publications
(141 citation statements)
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References 48 publications
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“…In this case, the current 95% C.L. experimental lower bound on the doubly charged triplet scalar mass is between 490 and 550 GeV, depending on the final lepton flavor [266][267][268]. For v 0.1 ≳ Δ MeV, the Yukawa couplings of the Δ fields to leptons is suppressed and Δ ±± dominantly decays to same-sign dibosons, in which case the collider limits are significantly weaker [269][270][271][272][273].…”
Section: Heavy Triplets At Collidersmentioning
confidence: 99%
“…In this case, the current 95% C.L. experimental lower bound on the doubly charged triplet scalar mass is between 490 and 550 GeV, depending on the final lepton flavor [266][267][268]. For v 0.1 ≳ Δ MeV, the Yukawa couplings of the Δ fields to leptons is suppressed and Δ ±± dominantly decays to same-sign dibosons, in which case the collider limits are significantly weaker [269][270][271][272][273].…”
Section: Heavy Triplets At Collidersmentioning
confidence: 99%
“…The same couplings however govern the decays of the doubly-charged Higgs boson and it is important to verify the consistency with the various LHC bounds. The latter are strong, with the exception of the case in which the doubly-charged Higgs boson decays into a ditau final-state [73][74][75]. Such searches have so far managed to push strong bounds on setups where the lightest doubly-charged Higgs boson is of a LH triplet nature.…”
Section: The Higgs Sectormentioning
confidence: 99%
“…The constraints from dedicated and optimized analyses by ATLAS [60] and CMS [61] are expected to be stronger than the constraints obtained here, but these numbers serve to benchmark the results presented in this paper.…”
Section: Model Testingmentioning
confidence: 64%