Research Papers in Physics and Astronomy

 

Date of this Version

April 2001

Comments

Published by American Physical Society. Phys. Rev. D 63, 091102~R! (2001). http://prd.aps.org. Copyright © 2001 American Physical Society. Used by permission.

Abstract

We report on a search for supersymmetry using the DØ detector. The 1994–1996 data sample of √s =1.8 TeV pp̅ collisions was analyzed for events containing two leptons (e or μ), two or more jets, and missing transverse energy. Assuming the minimal supergravity model, with A0=0 and μ < 0, various thresholds were employed to optimize the search. No events were found beyond expectation from the background. We set a lower limit at the 95% C.L. of 255 GeV/c2 for equal mass squarks and gluinos for tan β =2, and present exclusion contours in the (m0 , m1/2) plane for tan β =2–6.

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