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Further search for supersymmetry at vs = 7 TeV in final states with jets, missing transverse momentum and isolated leptons with the ATLAS detector

Aad G.
•
Abajyan T.
•
Abbott B.
altro
Zwalinski L.
2012
  • journal article

Periodico
PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY
Abstract
This work presents a new inclusive search for supersymmetry (SUSY) by the ATLAS experiment at the LHC in proton-proton collisions at a center-of-mass energy √s=7TeV in final states with jets, missing transverse momentum and one or more isolated electrons and/or muons. The search is based on data from the full 2011 data-taking period, corresponding to an integrated luminosity of 4.7fb-1. Single-lepton and multilepton channels are treated together in one analysis. An increase in sensitivity is obtained by simultaneously fitting the number of events in statistically independent signal regions, and the shapes of distributions within those regions. A dedicated signal region is introduced to be sensitive to decay cascades of SUSY particles with small mass differences ("compressed SUSY"). Background uncertainties are constrained by fitting to the jet-multiplicity distribution in background control regions. Observations are consistent with Standard Model expectations, and limits are set or extended on a number of SUSY models.
DOI
10.1103/PhysRevD.86.092002
WOS
WOS:000310608800002
Archivio
http://hdl.handle.net/11390/865984
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84869132524
Diritti
metadata only access
Scopus© citazioni
76
Data di acquisizione
Jun 14, 2022
Vedi dettagli
Web of Science© citazioni
56
Data di acquisizione
Mar 26, 2024
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