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Search for supersymmetry in pp collisions at root s=7 TeV in final states with missing transverse momentum and b-jets

Research output: Contribution to Journal/MagazineJournal articlepeer-review

  • The ATLAS collaboration
<mark>Journal publication date</mark>2011
<mark>Journal</mark>Physics Letters B
Issue number4
Pages (from-to)398-416
Publication StatusPublished
<mark>Original language</mark>English


Results are presented of a search for supersymmetric particles in events with large missing transverse momentum and at least one heavy flavour jet candidate in root s = 7 TeV proton proton collisions. In a data sample corresponding to an integrated luminosity of 35 pb(-1) recorded by the ATLAS experiment at the Large Hadron Collider, no significant excess is observed with respect to the prediction for Standard Model processes. For R-parity conserving models in which sbottoms (stops) are the only squarks to appear in the gluino decay cascade, gluino masses below 590 GeV (520 GeV) are excluded at the 95% C.L. The results are also interpreted in an MSUGRA/CMSSM supersymmetry breaking scenario with tan beta = 40 and in an SO(10) model framework.