Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2009-05-25
Phys.Lett.B680:24-33,2009
Physics
High Energy Physics
High Energy Physics - Experiment
submitted to Phys. Lett. B
Scientific paper
10.1016/j.physletb.2009.08.002
A search for supersymmetric partners of quarks is performed in the topology of multijet events accompanied by at least one tau lepton decaying hadronically and large missing transverse energy. Approximately 1 fb-1 of ppbar collision data from the Fermilab Tevatron Collider at a center of mass energy of 1.96 TeV recorded by the D0 detector is analyzed. Results are combined with the previously published D0 inclusive search for squarks and gluinos. No evidence of physics beyond the standard model is found and lower limits on the squark mass up to 410 GeV are derived in the framework of minimal supergravity with tan(beta)=15, A_0=-2m_0 and mu<0, in the region where decays to tau leptons dominate. Gaugino masses m_1/2 are excluded up to 172 GeV.
Abazov V.
The D0 Collaboration
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