Published June 1998 | Version v1
Journal article

Search for Chargino-Neutralino Associated Production at the Fermilab Tevatron Collider

  • 1. Argonne National Laboratory, Argonne, Illinois 60439 (United States)
  • 2. Istituto Nazionale di Fisica Nucleare, University of Bologna, I-40127 Bologna (Italy)
  • 3. Brandeis University, Waltham, Massachusetts 02254 (United States)
  • 4. University of California at Los Angeles, Los Angeles, California 90024 (United States)
  • 5. University of Chicago, Chicago, Illinois 60637 (United States)
  • 6. Duke University, Durham, North Carolina 27708 (United States)
  • 7. Fermi National Accelerator Laboratory, Batavia, Illinois 60510 (United States)
  • 8. University of Florida, Gainesville, Florida 32611 (United States)
  • 9. Laboratori Nazionali di Frascati, Istituto Nazionale di Fisica Nucleare, I-00044 Frascati (Italy)
  • 10. University of Geneva, CH-1211 Geneva 4 (Switzerland)

Description

We have searched in p bar p collisions at √(s) =1.8 TeV for events with three charged leptons and missing transverse energy. In the minimal supersymmetric standard model, we expect trilepton events from chargino-neutralino (χ±1χ02) pair production, with subsequent decay into leptons. We observe no candidate e+e-e±, e+e-μ±, e±μ+μ-, or μ+μ-μ± events in 106 pb-1 integrated luminosity. We present limits on the sum of the branching ratios times cross section for the four channels: σχ±1χ02B(χ±1χ02→3 ell+X)<0.34 pb , Mχ±1>81.5 GeV/c2 , and Mχ02 >82.2 GeV /c2 for tanβ=2 , μ=-600 GeV/c2 , and Mq=Mg . copyright 1998 The American Physical Society

Additional details

Publishing Information

Journal Title
Physical Review Letters
Journal Volume
80
Journal Issue
24
Journal Page Range
p. 5275-5280
ISSN
0031-9007
CODEN
PRLTAO