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

被引：0
|
作者：
Schioppa, Marco [1 ]
机构：
[1] Univ Calabria, INFN Cosenza, Arcavacata Di Rende, Italy
来源：
4TH INTERNATIONAL CONFERENCE ON NEW FRONTIERS IN PHYSICS | 2016年 / 126卷
关键词：
D O I：
10.1051/epjconf/201612605011
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
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 root 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 ( root s=13 TeV).
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