A search for prompt lepton-jets in pp collisions at (Formula presented.) TeV with the ATLAS detector

The ATLAS Collaboration

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    Abstract

    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.[Figure not available: see fulltext.]

    Original languageEnglish
    Article number62
    Pages (from-to)1-51
    Number of pages51
    JournalJournal of High Energy Physics
    Volume2016
    Issue number2
    DOIs
    Publication statusPublished - 2016 Feb 1

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    Keywords

    • Hadron-Hadron scattering

    ASJC Scopus subject areas

    • Nuclear and High Energy Physics

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