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Search for long-lived neutral particles decaying into lepton jets in proton-proton collisions at √s= 8TeV with the ATLAS detector
KTH, School of Engineering Sciences (SCI), Physics.
KTH, School of Engineering Sciences (SCI), Physics.
KTH, School of Engineering Sciences (SCI), Physics.
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2014 (English)In: Journal of High Energy Physics (JHEP), ISSN 1126-6708, E-ISSN 1029-8479, Vol. 2014, no 11, 48p- p.Article in journal (Refereed) Published
Abstract [en]

Abstract: 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 √s= 8TeV 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.

Place, publisher, year, edition, pages
2014. Vol. 2014, no 11, 48p- p.
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-158789DOI: 10.1007/JHEP11(2014)088ISI: 000345639900001Scopus ID: 2-s2.0-84914140238OAI: oai:DiVA.org:kth-158789DiVA: diva2:778996
Funder
Marianne and Marcus Wallenberg FoundationSwedish Research Council
Note

QC 20150112

Available from: 2015-01-12 Created: 2015-01-12 Last updated: 2017-12-05Bibliographically approved

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Strandberg, Jonas

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  • apa
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  • en-GB
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  • nn-NB
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  • Other locale
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Output format
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  • asciidoc
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