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A search for prompt lepton-jets in pp collisions at s√=8 s = 8 TeV with the ATLAS detector

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Aad2016_Article_ASearchForPromptLepton-jetsInP.pdf (1.63 MB)

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2016-02

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10.1007/jhep02(2016)062

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Springer Science and Business Media LLC
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The ATLAS Collaboration. A search for prompt lepton-jets in pp collisions at s√=8 s = 8 TeV with the ATLAS detector. JHEP 2016, Article number: 62 (2016)

Abstract

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.

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Nuclear and High Energy Physics

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This article is made available under the terms and conditions applicable to Other Posted Material (LAA), as set forth at Terms of Service

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https://nrs.harvard.edu/URN-3:HUL.INSTREPOS:37371515

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