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

DO Collaboration, The and Bertram, Iain A. and Borissov, Guennadi V. and Ratoff, Peter N. and Sopczak, Andre (2005) Search for Supersymmetry via Associated Production of Charginos and Neutralinos in Final States with Three Leptons. Physical Review Letters, 95 (15). p. 151805. ISSN 1079-7114

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Abstract

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.

Item Type: Article
Journal or Publication Title: Physical Review Letters
Additional Information: Author list is partial - see original article for full author list.
Uncontrolled Keywords: supersymmetry ; sparticles ; sparticle production ; proton-proton inclusive interactions ; supergravity
Subjects: Q Science > QC Physics
Departments: Faculty of Science and Technology > Physics
ID Code: 10097
Deposited By: Ms Margaret Calder
Deposited On: 03 Jul 2008 21:16
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 14:43
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/10097

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