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      Search for strong production of supersymmetric particles in final states with missing transverse momentum and at least three b-jets at \(\sqrt{s} =\) 8 TeV proton-proton collisions with the ATLAS detector

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          Abstract

          This paper reports the results of a search for strong production of supersymmetric particles in 20.1 fb\(^{-1}\) of proton-proton collisions at a centre-of-mass energy of 8 TeV using the ATLAS detector at the LHC. The search is performed separately in events with either zero or at least one high \(p_\mathrm{T}\) lepton (electron or muon), large missing transverse momentum, high jet multiplicity and at least three jets identified as originated from the fragmentation of a b-quark. No excess is observed with respect to the Standard Model predictions. The results are interpreted in the context of several supersymmetric models involving gluinos and scalar top and bottom quarks, as well as a mSUGRA/CMSSM model. Gluino masses up to 1340 GeV are excluded, depending on the model, significantly extending the previous ATLAS limits.

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          Author and article information

          Journal
          02 July 2014
          2014-10-10
          Article
          10.1007/JHEP10(2014)024
          1407.0600
          f49f4e2c-fd59-4328-94d0-7eda7e059fd5

          http://arxiv.org/licenses/nonexclusive-distrib/1.0/

          History
          Custom metadata
          CERN-PH-EP-2014-110
          JHEP10(2014)024
          36 pages plus author list + cover pages (59 pages total), 14 figures, 5 tables, submitted to JHEP, All figures including auxiliary figures are available at http://atlas.web.cern.ch/Atlas/GROUPS/PHYSICS/PAPERS/SUSY-2013-18/
          hep-ex

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