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Scientific article
English

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

ContributorsATLAS Collaboration
Published inPhysics letters. B, vol. 721, no. 1-3, p. 32-50
Publication date2013
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.

Citation (ISO format)
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. doi: 10.1016/j.physletb.2013.02.058
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ISSN of the journal0370-2693
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