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Title

Search for displaced muonic lepton jets from light Higgs boson decay in proton–proton collisions at √s=7 TeV with the ATLAS detector

CollaborationWith : Abdelalim Aly, Ahmed Aly / Alexandre, Gauthier / Backes, Moritz / Barone, Gaetano / Bell, Paul / Bell, William / Benhar Noccioli, Eleonora / Blondel, Alain / Bucci, Francesca / Clark, Allan Geoffrey / Dao, Valerio / Doglioni, Caterina / Ferrere, Didier / Gadomski, Szymon / Gonzalez Sevilla, Sergio / Goulette, Marc / Iacobucci, Giuseppe / La Rosa, Alessandro / Lister, Alison / Martin Dit Latour, Bertrand / Mermod, Philippe / Mora Herrera, Maria Clemencia Rosario / Nektarijevic, Snezana / Nikolics, Katalin / Pasztor, Arpad / Picazio, Attilio / Pohl, Martin / Rosbach, Kilian / Rosselet, Laurent / Wu, Xin
Published in Physics Letters. B. 2013, vol. 721, no. 1-3, p. 32-50
Abstract A search is performed for collimated muon pairs displaced from the primary vertex produced in the decay of long-lived neutral particles in proton–proton collisions at √s=7 TeV centre-of-mass energy, with the ATLAS detector at the LHC. In a 1.9 fb−11.9 fb−1event sample collected during 2011, the observed data are consistent with the Standard Model background expectations. Limits on the product of the production cross section and the branching ratio of a Higgs boson decaying to hidden-sector neutral long-lived particles are derived as a function of the particlesʼ mean lifetime.
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ATLAS COLLABORATION. Search for displaced muonic lepton jets from light Higgs boson decay in proton–proton collisions at √s=7 TeV with the ATLAS detector. In: Physics Letters. B, 2013, vol. 721, n° 1-3, p. 32-50. https://archive-ouverte.unige.ch/unige:40003

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Deposited on : 2014-09-05

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