A search for prompt lepton-jets in pp collisions at root s=8 TeV with the ATLAS detector
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
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
2016. no 2, 062
IdentifiersURN: urn:nbn:se:su:diva-130985DOI: 10.1007/JHEP02(2016)062ISI: 000375272300004OAI: oai:DiVA.org:su-130985DiVA: diva2:936173