Search for Supersymmetry at the LHC in Events with Jets and Missing Transverse Energy

Details Search for Supersymmetry at the LHC in Events with Jets and Missing Transverse Energy Search for Supersymmetry at the LHC in Events with Jets and Missing Transverse Energy

2011-09-11

arxiv.org/abs/1109.2352v1

Phys. Rev. Lett. 107, 221804 (2011)

Physics

High Energy Physics

High Energy Physics - Experiment

Scientific paper

10.1103/PhysRevLett.107.221804

A search for events with jets and missing transverse energy is performed in a data sample of pp collisions collected at sqrt(s) = 7 TeV by the CMS experiment at the LHC. The analyzed data sample corresponds to an integrated luminosity of 1.14 inverse femtobarns. In this search, a kinematic variable, alphaT, is used as the main discriminator between events with genuine and misreconstructed missing transverse energy. No excess of events over the standard model expectation is found. Exclusion limits in the parameter space of the constrained minimal supersymmetric extension of the standard model are set. In this model, squark masses below 1.1 TeV are excluded at 95% CL. Gluino masses below 1.1 TeV are also ruled out at 95% CL for values of the universal scalar mass parameter below 500 GeV.

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