Search for the Supersymmetric Partner of the Top Quark in Dilepton Events from pp̅ Collisions at √s=1.8 TeV

Authors

• Darin Acosta, University of FloridaFollow
• Kenneth A. Bloom, University of Nebraska-LincolnFollow
• Collider Detector at Fermilab Collaboration

Document Type

Article

Date of this Version

6-27-2003

Comments

Published by American Physical Society. Phys. Rev. Lett. 90, 251801 (2003). http://prl.aps.org. Copyright © 2003 American Physical Society. Permission to use.

Abstract

We have searched for pair production of the supersymmetric partner of the top quark (stop) in 107 pb^-1 of pp̅ collisions at √s=1.8 TeV collected by the Collider Detector at Fermilab (CDF). Each stop 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 exclude stop masses in the region (80≤ m t̅≤135 GeV/c²) in the mass plane of stop versus sneutrino.