Search for chargino-neutralino production in pp collisions at √s = 1.8TeV

CDF Collaboration

Research output: Contribution to journalArticle

28 Scopus citations

Abstract

We have searched for chargino-neutralino production (χ± 1χ0 2) in 1.8 TeV pp collisions, followed by their leptonic decays χ± 1 → χ0 1±ν and χ0 2→χ0 1+-. These trilepton events are expected within a framework of the minimal supersymmetric standard model (MSSM). In a 19.1pb-1 data sample collected with a Collider Detector at Fermilab, no trilepton events were observed. Upper limits on σ(pp → χ± 1χ0 2)BR(χ± 10 2→3ℓ + X) were obtained for various MSSM parameter space regions, yielding new 95% confidence level lower limits for the neutralino (χ0 2) mass which extend as high as 49GeV/c2.

Original languageEnglish (US)
Pages (from-to)4307-4311
Number of pages5
JournalPhysical review letters
Volume76
Issue number23
DOIs
StatePublished - 1996

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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