Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2005-04-18
Phys.Rev.Lett.95:151805,2005
Physics
High Energy Physics
High Energy Physics - Experiment
7 pages, submitted to Phys. Rev. Lett
Scientific paper
10.1103/PhysRevLett.95.151805
A search for associated production of charginos and neutralinos is performed using data recorded with the D0 detector at a ppbar center-of-mass energy of 1.96 TeV at the Fermilab Tevatron Collider. This analysis considers final states with missing transverse energy and three leptons, of which at least two are electrons or muons. No evidence for supersymmetry is found in a dataset corresponding to an integrated luminosity of 320 pb-1. Limits on the product of the production cross section and leptonic branching fraction are set. For the minimal supergravity model, a chargino lower mass limit of 117 GeV at the 95% C.L. is derived in regions of parameter space with enhanced leptonic branching fractions.
"D0 Collaboration
Abazov V.
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