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

Aad, G; Abbott, B.; Abdallah, J; Abdinov, O; Aben, R; Abolins, M; Åkesson, Torsten LU ; Bocchetta, Simona LU ; Bryngemark, Lene LU and Doglioni, Caterina LU , et al. (2016) In Journal of High Energy Physics 2016(2). p.1-51
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.] © 2016, The Author(s).
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in
Journal of High Energy Physics
volume
2016
issue
2
pages
1 - 51
publisher
Springer Verlag
external identifiers
  • scopus:84958774687
ISSN
1126-6708
DOI
10.1007/JHEP02(2016)062
language
English
LU publication?
yes
id
2c327e63-7485-4346-aa36-01c61ca009cc
date added to LUP
2018-05-24 14:24:49
date last changed
2019-09-11 03:57:36
@article{2c327e63-7485-4346-aa36-01c61ca009cc,
  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.] © 2016, The Author(s).},
  author       = {Aad, G and Abbott, B. and Abdallah, J and Abdinov, O and Aben, R and Abolins, M and Åkesson, Torsten and Bocchetta, Simona and Bryngemark, Lene and Doglioni, Caterina and Floderus, Anders and Hawkins, Anthony and Hedberg, Vincent and Ivarsson, Jenny and Jarlskog, Göran and Lytken, Else and Mjörnmark, Ulf and Smirnova, Oxana and Viazlo, Oleksandr and , },
  issn         = {1126-6708},
  language     = {eng},
  number       = {2},
  pages        = {1--51},
  publisher    = {Springer Verlag},
  series       = {Journal of High Energy Physics},
  title        = {A search for prompt lepton-jets in pp collisions at √s = 8 TeV with the ATLAS detector},
  url          = {http://dx.doi.org/10.1007/JHEP02(2016)062},
  volume       = {2016},
  year         = {2016},
}