Research Papers in Physics and Astronomy

 

Date of this Version

5-13-2002

Comments

Published by American Physical Society. Phys. Rev. Lett. VOLUME 88, NUMBER 19 (2002). http://prl.aps.org. Copyright © 2002 American Physical Society. Used by permission.

Abstract

We present the results of a search for leptoquark (LQ) pairs in (85.2 ± 3.7) pb-1 of pp̅ collider data collected by the D0 experiment at the Fermilab Tevatron. We observe no evidence for leptoquark production and set a limit on σ(pp̅LQ L̅Q̅→ νν + jets) as a function of the mass of the leptoquark (mLQ). Assuming the decay LQ → νq, we exclude scalar leptoquarks for mLQ< 98 GeV/c2, and vector leptoquarks for mLQ < 200 GeV/c2 and coupling which produces the minimum cross section, at a 95% confidence level.

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