Search for Gluinos and Squarks Using Like-Sign Dileptons in p-pbar Collisions at sqrt(s)=1.8 TeV

Details Search for Gluinos and Squarks Using Like-Sign Dileptons in p-pbar Collisions at sqrt(s)=1.8 TeV Search for Gluinos and Squarks Using Like-Sign Dileptons in p-pbar Collisions at sqrt(s)=1.8 TeV

2001-06-14

arxiv.org/abs/hep-ex/0106061v2

Phys.Rev.Lett.87:251803,2001

Physics

High Energy Physics

High Energy Physics - Experiment

12 pages, 2 figures, 2 tables, Submitted to Phys. Rev. Lett

Scientific paper

10.1103/PhysRevLett.87.251803

We present results of the first search for like-sign dilepton (ee, e\mu, \mu\mu) events associated with multijets and large missing energy using 106 pb^-1 of data in p-pbar collisions at sqrt(s)=1.8 TeV collected during 1992-95 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 tan_beta = 2 and \mu=-800 GeV/c^2, we set 95% confidence level limits of M(gluino) > 221 GeV/c^2 for M(gluino) \simeq M(squark), and M(gluino) > 168 GeV/c^2 for M(squark) \gg M(gluino), both with small variation as a function of \mu.

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