Research Papers in Physics and Astronomy

 

Date of this Version

February 2000

Comments

Published by American Physical Society. Phys. Rev. D 61, 032001 (2000). http://prd.aps.org. Copyright © 2000 American Physical Society. Permission to use.

Abstract

We report the first direct measurement of bb̅ rapidity correlations in pp̅ collisions at √s =1.8 TeV. We select events with a high transverse momentum muon accompanied by a jet, and a second jet associated with a decay vertex displaced from the pp̅ interaction vertex. Two independent samples are obtained corresponding to events with a forward (2.0<|η|<2.6) or central (|η|<0.6) muon. We measure the ratio of forward to central bb̅ production to be 0.361±0.033(stat) -0.031+0.015(syst), in good agreement with the next-to-leading order QCD prediction 0.338-0.097+0.014

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