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Search for Supersymmetry via Associated Production of Charginos and Neutralinos in Final States with Three Leptons

Research output: Contribution to journalJournal article

<mark>Journal publication date</mark>7/10/2005
<mark>Journal</mark>Physical review letters
Issue number15
Pages (from-to)151805
Publication StatusPublished
<mark>Original language</mark>English


A search for associated production of charginos and neutralinos is performed using data recorded with the D0 detector at a p center-of-mass energy of 1.96 TeV at the Fermilab Tevatron Collider. This analysis considers final states with missing transverse energy and three charged leptons, of which at least two are electrons or muons. No evidence for supersymmetry is found in a data set 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.

Bibliographic note

Author list is partial - see original article for full author list.