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A search for a doubly-charged Higgs boson in pp collisions at s√=7 TeV

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CMS Collaboration [UCL] Quertenmont, Loic [UCL] Basegmez, Suzan [UCL] Bruno, Giacomo [UCL] Castello, Roberto [UCL] Ceard, Ludivine [UCL] Delaere, Christophe [UCL] Du Pree, Tristan [UCL] Favart, Denis [UCL] Forthomme, Laurent [UCL] Favart, Denis [UCL] Giammanco, Andrea [UCL] Hollar, Jonathan [UCL] Lemaitre, Vincent [UCL] Liao, Junhui [UCL] Militaru, Otilia [UCL] Nuttens, Claude [UCL] Pagano, Davide [UCL] Pin, Arnaud [UCL] Piotrzkowski, Krzysztof [UCL] Schul, Nicolas [UCL] Vizan Garcia, Jesús Manuel [UCL]

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 level are set on the Φ ++ production cross section, under specific assumptions on its branching fractions. Lower bounds on the Φ ++ mass are reported, providing significantly more stringent constraints than previously published limits.

Document type Article de périodique (Journal article) – Article de recherche
Access type Accès libre
Publication date 2012
Language Anglais
Journal information "European Physical Journal C. Particles and Fields" - Vol. 72, no.--, p. 2189 (2012)
Peer reviewed yes
Publisher Springer ((Germany) Heidelberg)
issn 1434-6044
e-issn 1434-6052
Publication status Publié
Affiliation UCL - SST/IRMP - Institut de recherche en mathématique et physique
Links
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Bibliographic reference CMS Collaboration ; Quertenmont, Loic ; Basegmez, Suzan ; Bruno, Giacomo ; Castello, Roberto ; et. al. A search for a doubly-charged Higgs boson in pp collisions at s√=7 TeV . In: European Physical Journal C. Particles and Fields, Vol. 72, no.--, p. 2189 (2012)
Permanent URL http://hdl.handle.net/2078.1/131672