Search for long-lived neutral particles decaying into lepton jets in proton-proton collisions at ?s= 8TeV with the ATLAS detector

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Erscheinungsjahr:
2014
Medientyp:
Text
Schlagworte:
  • 3106
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  • 3106
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Beschreibung:
  • Several models of physics beyond the Standard Model predict neutral particles that decay into final states consisting of collimated jets of light leptons and hadrons (so-called ``lepton jets{''}). These particles can also be long-lived with decay length comparable to, or even larger than, the LHC detectors' linear dimensions. This paper presents the results of a search for lepton jets in proton-proton collisions at the centre-of-mass energy of root s = 8 TeV in a sample of 20.3 fb(-1) collected during 2012 with the ATLAS detector at the LHC. Limits on models predicting Higgs boson decays to neutral long-lived lepton jets are derived as a function of the particle's proper decay length.
Lizenz:
  • info:eu-repo/semantics/restrictedAccess
Quellsystem:
Forschungsinformationssystem der UHH

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oai:www.edit.fis.uni-hamburg.de:publications/7a1adbea-5427-467d-b2bd-f1a98e84fbea