Search for Scalar Top and Scalar Bottom Quarks in pp̅ Collisions at √s = 1.8 TeV

Authors

T. Affolder, Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, California
Kenneth A. Bloom, University of Nebraska-LincolnFollow
Collider Detector at Fermilab Collaboration

Document Type

Article

Date of this Version

6-19-2000

Comments

Published by American Physical Society. Phys. Rev. Lett. 84, 5704 (2000). http://prl.aps.org. Copyright © 2000 American Physical Society. Permission to use.

Abstract

We have searched for direct pair production of scalar top and scalar bottom quarks in 88 pb^-1 of pp̅ collisions at √s =1.8 TeV with the CDF detector. We looked for events with a pair of heavy flavor jets and missing energy, consistent with scalar top (bottom) quark decays to a charm (bottom) quark and a neutralino. The numbers of events that pass our selections show no significant deviation from standard model expectations. We compare our results to the next-to-leading order scalar quark production cross sections to exclude regions in scalar quark-neutralino mass parameter space.