Search for supersymmetry in pp collisions at 7 TeV in events with jets and missing transverse energy

Missing energy
DOI: 10.1016/j.physletb.2011.03.021 Publication Date: 2011-03-17T08:58:29Z
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ABSTRACT
A search for supersymmetry with R-parity conservation in proton–proton collisions at a centre-of-mass energy of 7 TeV is presented. The data correspond to an integrated luminosity 35pb−1 collected by the CMS experiment LHC. performed events jets and significant missing transverse energy, characteristic decays heavy, pair-produced squarks gluinos. primary background, from standard model multijet production, reduced several orders magnitude negligible level application set robust kinematic requirements. With this selection, are consistent backgrounds, namely tt¯, W + jet Z which estimated control samples. Limits on parameters constrained minimal supersymmetric extension model. These limits extend those previously experiments Tevatron LEP colliders.
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