Search for chargino - neutralino associated production at the Fermilab Tevatron collider

Collaboration
Mar, 1998
17 pages
Published in:
  • Phys.Rev.Lett. 80 (1998) 5275-5280
e-Print:
Report number:
  • FERMILAB-PUB-98-084-E
Experiments:

Citations per year

19982002200620102014024681012
Abstract:
We have searched in ppˉp \bar{p} collisions at s\sqrt{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 (\chione \chitwo) pair production, with subsequent decay into leptons. We observe no candidate e+ee±e^+e^-e^\pm, e+eμ±e^+e^-\mu^\pm, e±μ+μe^\pm\mu^+\mu^- or μ+μμ±\mu^+\mu^-\mu^\pm events in 106 pb1^{-1} integrated luminosity. We present limits on the sum of the branching ratios times cross section for the four channels: \sigma_{\chione\chitwo}\cdot BR(\chione\chitwo\to 3\ell+X) < 0.34~pb, M_\chione > 81.5 \mgev\sp and M_\chitwo > 82.2 \mgev\sp for tanβ=2\tan\beta=2, μ=600\mu =-600~\mgev\sp and M_\squark= M_\gluino.
Note:
  • 9 pages and 3 figures Report-no: FERMILAB-PUB-98/084-E
  • anti-p p: colliding beams
  • anti-p p: inclusive reaction
  • sparticle: search for
  • sparticle: associated production
  • sparticle: decay
  • final state: (3lepton)
  • chargino: mass
  • neutralino: mass
  • lower limit
  • transverse energy: missing-energy
Loading ...