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Search for Wundefined1Zundefined2\widetilde{W}_1\widetilde{Z}_2 Production via Trilepton Final States in ppˉp\bar{p} collisions at s=1.8\sqrt{s}=1.8\ TeV

Collaboration
Dec, 1995
17 pages
Published in:
  • Phys.Rev.Lett. 76 (1996) 2228-2233
e-Print:
DOI:
Report number:
  • FERMILAB-PUB-95-385-E
Experiments:
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Abstract:
We have searched for associated production of the lightest chargino, Wundefined1\widetilde{W}_1, and next-to-lightest neutralino, Zundefined2\widetilde{Z}_2, of the Minimal Supersymmetric Standard Model in ppˉp\bar{p}\ collisions at \mbox{s\sqrt{s} =\ 1.8\ TeV} using the \D0 detector at the Fermilab Tevatron collider. Data corresponding to an integrated luminosity of 12.5±0.7\pm 0.7\ \ipb\ were examined for events containing three isolated leptons. No evidence for Wundefined1Zundefined2\widetilde{W}_1\widetilde{Z}_2\ pair production was found. Limits on σ(Wundefined1Zundefined2)\sigma(\widetilde{W}_1\widetilde{Z}_2)Br(Wundefined1→lνZundefined1)(\widetilde{W}_1\rightarrow l\nu\widetilde{Z}_1)Br(Zundefined2→llˉZundefined1)(\widetilde{Z}_2\rightarrow l\bar{l}\widetilde{Z}_1)\ are presented.
Note:
  • 17 pages (13 + 1 page table + 3 pages figures). 3 PostScript figures will follow in a UUEncoded, gzip'd, tar file. Text in LaTex format. Submitted to Physical Review Letters. Report-no: FERMILAB Pub-95/385-E
  • D0
  • anti-p p: colliding beams
  • colliding beams: anti-p p
  • anti-p p: annihilation
  • annihilation: anti-p p
  • anti-p p: inclusive reaction
  • final state: (3lepton)
  • (3lepton): final state
  • supersymmetry
  • postulated particle: gaugino