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Search for strongly produced supersymmetric particles in decays with two leptons at $\sqrt{s}$ = 8 TeV

This note presents a search for squarks and gluinos in final states containing two isolated electrons or muons using the ATLAS Detector at the LHC in 20.3 fb$^{-1}$ of $\sqrt{s} = 8$ TeV proton-proton collisions. The search uses a set of variables carrying information on the event kinematics both tr...

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Detalles Bibliográficos
Autor principal: The ATLAS collaboration
Lenguaje:eng
Publicado: 2013
Materias:
Acceso en línea:http://cds.cern.ch/record/1595272
Descripción
Sumario:This note presents a search for squarks and gluinos in final states containing two isolated electrons or muons using the ATLAS Detector at the LHC in 20.3 fb$^{-1}$ of $\sqrt{s} = 8$ TeV proton-proton collisions. The search uses a set of variables carrying information on the event kinematics both transverse and parallel to the beam line that are sensitive to several topologies expected in Supersymmetry. No excess above the Standard Model expectation is observed, and exclusion limits at 95 % confidence level are set on the visible cross section for the production of new physics within the kinematic requirements of the search. The results are additionally interpreted as lower limits on sparticle masses for various simplified model scenarios concerning the pair-production of gluinos and first and second-generation squarks and a minimal universal extra dimensions model.