Search for associated production of charginos and neutralinos in the trilepton final state using 2.3 fb(-1) of data

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2009-09-14

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Elsevier B.V.

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We report the results of a search for associated production of charginos and neutralinos using a data set corresponding to an integrated luminosity of 2.3 fb(-1) collected with the Demptyset experiment during Run II of the Tevatron proton-antiproton collider. Final states containing three charged leptons and missing transverse energy are probed for a signal from supersymmetry with four dedicated trilepton event selections. No evidence for a signal is observed, and we set limits on the product of production cross section and leptonic branching fraction. Within minimal supergravity, these limits translate into bounds on m(0) and m(1/2) that are well beyond existing limits. (C) 2009 Elsevier B.V. All rights reserved.

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Physics Letters B. Amsterdam: Elsevier B.V., v. 680, n. 1, p. 34-43, 2009.

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