Search for resonant second generation slepton production at the Tevatron

Details Search for resonant second generation slepton production at the Tevatron Search for resonant second generation slepton production at the Tevatron

2006-05-03

arxiv.org/abs/hep-ex/0605010v1

Phys.Rev.Lett.97:111801,2006

Physics

High Energy Physics

High Energy Physics - Experiment

submitted to Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.97.111801

We present a search for supersymmetry in the R-parity violating resonant production and decay of smuons and muon-sneutrinos in the channels smuon->neutralino_1 muon, smuon->neutralino_2 muon, and muon-sneutrino->chargino muon. We analyzed 0.38 fb^-1 of integrated luminosity collected between April 2002 and August 2004 with the D0 detector at the Fermilab Tevatron Collider. The observed number of events is in agreement with the standard model expectation, and we calculate 95% C.L. limits on the slepton production cross section times branching fraction to gaugino plus muon, as a function of slepton and gaugino masses. In the framework of minimal supergravity, we set limits on the coupling parameter lambda'_211, extending significantly previous results obtained in Run I of the Tevatron and at the CERN LEP collider.

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