Search for New Physics at sqrt{s} = 7 TeV in Hadronic Final States with Missing Transverse Energy and Heavy Flavor

TL;DR

This paper reports a search for supersymmetric particles in proton-proton collisions at 7 TeV, focusing on events with missing transverse energy and heavy flavor jets, but finds no significant deviation from Standard Model predictions.

Contribution

It provides the first search results for supersymmetry in hadronic final states with heavy flavor jets at 7 TeV using the ATLAS detector, setting new upper limits on production cross sections.

Findings

No significant excess observed over Standard Model predictions.

Set upper limits on supersymmetric particle production cross sections.

Constrained parameter space of simplified supersymmetric models.

Abstract

A search for supersymmetric particles in events with large missing transverse momentum, heavy flavor jet candidates and no leptons (e,mu) in sqrt{s} = 7 TeV proton-proton collisions is presented. In a data sample corresponding to an integrated luminosity of 0.83 fb^-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. Model-independent production cross section upper limits are provided in the context of simplified models as well as conventional limits.