| Issue |
EPJ Web Conf.
Volume 126, 2016
4th International Conference on New Frontiers in Physics
|
|
|---|---|---|
| Article Number | 05011 | |
| Number of page(s) | 6 | |
| Section | Poster Session | |
| DOI | https://doi.org/10.1051/epjconf/201612605011 | |
| Published online | 04 November 2016 | |
https://doi.org/10.1051/epjconf/201612605011
Search for long-lived neutral particles decaying into lepton-jets in 20.3 fb−1 proton-proton collisions at √s = 8 TeV with the ATLAS detector
Universita’ della Calabria and INFN Cosenza, Rende, Italy
a e-mail: marco.schioppa@cern.ch
Published online: 4 November 2016
Several models of elementary particle physics beyond the Standard Model, predict the existence of neutral particles that can decay in jets of leptons and light hadrons (lepton-jets). The present contribution collects the results about the lepton-jet search with the ATLAS experiment at the proton-proton LHC collider at √s = 8 TeV during the entire 2012 data taking (20 fb−1). No excess of events have been observed over the expected background and the exclusion limits for two different models, that predict the Higgs boson to decay in lepton-jets, have been computed. A new lepton-jet search is underway for the new LHC era at (√s = 13 TeV).
© The Authors, published by EDP Sciences, 2016
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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