en
Scientific article
English

Search for squarks and gluinos using final states with jets and missing transverse momentum with the ATLAS detector in √s=7 TeV proton–proton collisions

ContributorsATLAS Collaboration
Published inPhysics letters. B, vol. 710, no. 1, p. 67-85
Publication date2012
Abstract

A search for squarks and gluinos in events containing jets, missing transverse momentum and no electrons or muons is presented. The data were recorded in 2011 by the ATLAS experiment in √s=7 TeV proton–proton collisions at the Large Hadron Collider. No excess above the Standard Model background expectation is observed in 1.04 fb−11.04 fb−1 of data. Gluino and squark masses below 700 GeV and 875 GeV respectively are excluded at the 95% confidence level in simplified models containing only squarks of the first two generations, a gluino octet and a massless neutralino. The exclusion limit increases to 1075 GeV for squarks and gluinos of equal mass. In MSUGRA/CMSSM models with tanβ=10, A0=0A0=0 and μ>0μ>0, squarks and gluinos of equal mass are excluded for masses below 950 GeV. These limits extend the region of supersymmetric parameter space excluded by previous measurements.

Keywords
  • Supersymmetry
  • Squark
  • Gluino
  • Search
  • LHC
  • ATLAS
Citation (ISO format)
ATLAS Collaboration. Search for squarks and gluinos using final states with jets and missing transverse momentum with the ATLAS detector in √s=7 TeV proton–proton collisions. In: Physics letters. B, 2012, vol. 710, n° 1, p. 67–85. doi: 10.1016/j.physletb.2012.02.051
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Article (Published version)
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ISSN of the journal0370-2693
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