Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2003-02-08
Phys.Rev.Lett.90:251801,2003
Physics
High Energy Physics
High Energy Physics - Experiment
7 pages, 5 figures. Submitted to Physical Review Letters
Scientific paper
10.1103/PhysRevLett.90.251801
We have searched for the supersymmetric partner of the top quark (stop) in 107 pb^{-1} of p-pbar collisions at \sqrt{s}= 1.8 TeV collected by the Collider Detector at Fermilab (CDF). Within the framework of the Minimal Supersymmetric extension of the Standard Model (MSSM) each of the pair-produced stops is assumed to decay into a lepton, bottom quark and supersymmetric neutrino. Such a scenario would give rise to events with two leptons, two hadronic jets, and a substantial imbalance of transverse energy. No evidence of such a stop signal has been found. We calculate a 95% confidence level (C.L.) upper limit on the stop production cross section, which excludes stop masses in the region (80
Acosta Darin
CDF Collaboration
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