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A search for prompt lepton-jets in pp collisions at root s=8 TeV with the ATLAS detector
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.ORCID iD: 0000-0002-8913-0981
KTH, School of Engineering Sciences (SCI), Physics, Particle and Astroparticle Physics.
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Number of Authors: 2869
2016 (English)In: Journal of High Energy Physics (JHEP), ISSN 1126-6708, E-ISSN 1029-8479, no 2, 062Article in journal (Refereed) Published
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Abstract [en]

A search is presented for a new, light boson with a mass of about 1 GeV and decaying promptly to jets of collimated electrons and/or muons (lepton-jets). The analysis is performed with 20.3 fb(-1) of data collected by the ATLAS detector at the Large Hadron Collider in proton-proton collisions at a centre-of-mass energy of 8 TeV. Events are required to contain at least two lepton-jets. This study finds no statistically significant deviation from predictions of the Standard Model and places 95% confidence-level upper limits on the contribution of new phenomena beyond the SM, incuding SUSY-portal and Higgs-portal models, on the number of events with lepton-jets.

Place, publisher, year, edition, pages
Springer, 2016. no 2, 062
Keyword [en]
Hadron-Hadron scattering
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Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-188565DOI: 10.1007/JHEP02(2016)062ISI: 000375272300004Scopus ID: 2-s2.0-84958774687OAI: oai:DiVA.org:kth-188565DiVA: diva2:936561
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QC 20160614

Available from: 2016-06-14 Created: 2016-06-14 Last updated: 2016-06-15Bibliographically approved

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Citation style
  • apa
  • harvard1
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  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
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  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
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  • asciidoc
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