Department of Physics and Astronomy: Publications and Other Research

 

Document Type

Article

Date of this Version

12-17-2001

Comments

Published by American Physical Society. Phys. Rev. Lett. 87, 251803 (2001). http://prl.aps.org. Copyright © 2001 American Physical Society. Permission to use.

Abstract

We present results of the first search for like-sign dilepton (e±e±, e± μ±, μ± μ±) events associated with multijets and large missing energy using 106 pb-1 of data in pp̅ collisions at √s= 1.8 TeV collected during 1992–1995 by the CDF experiment. Finding no events that pass our selection, we examine pair production of gluinos () and squarks () in a constrained framework of the minimal supersymmetric standard model. At tanβ =2 and μ = -800 GeV/c2, we set 95% confidence level limits of M > 221 GeV/c2 for M –̴ M, and M . 168 GeV/c2for M>>M >, both with small variation as a function of μ.

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