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Search for R-parity-violating supersymmetry in events with four or more leptons in s√=7TeV pp collisions with the ATLAS detector

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Article number124
<mark>Journal publication date</mark>12/2012
<mark>Journal</mark>Journal of High Energy Physics
Issue number12
Volume2012
Number of pages36
Publication StatusPublished
<mark>Original language</mark>English

Abstract

A search for new phenomena in final states with four or more leptons (electrons or muons) is presented. The analysis is based on 4.7 fb−1 of s√=7TeV proton-proton collisions delivered by the Large Hadron Collider and recorded with the ATLAS detector. Observations are consistent with Standard Model expectations in two signal regions: one that requires moderate values of missing transverse momentum and another that requires large effective mass. The results are interpreted in a simplified model of R-parity-violating supersymmetry in which a 95% CL exclusion region is set for charged wino masses up to 540 GeV. In an R-parity-violating MSUGRA/CMSSM model, values of m 1/2 up to 820 GeV are excluded for 10 < tan β < 40.

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This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited.