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

TL;DR

This paper reports a search for supersymmetry in events with b jets and missing transverse momentum using LHC data, finding no significant excess and setting upper limits on model cross sections.

Contribution

It introduces a search method for supersymmetry involving b jets and missing transverse momentum at 7 TeV LHC data, with new limits on model cross sections.

Findings

Observed one event consistent with background

Set 95% confidence level upper limits on supersymmetric model cross sections

Predicted background events with associated uncertainties

Abstract

A search for supersymmetry is presented using a sample of events with b jets and missing transverse momentum. The search uses a data sample of proton-proton collisions at a centre-of-mass energy of 7 TeV, corresponding to an integrated luminosity of 35 inverse picobarns, collected with the CMS detector. A total of 0.33 +0.43 -0.33 (stat.) +/- 0.13 (syst.) events is predicted, using control samples in the data, to arise from standard model processes, and one event is observed in the data. Upper limits are set at the 95% confidence level on the cross sections of benchmark supersymmetric models.