Research Papers in Physics and Astronomy

 

Date of this Version

3-3-2006

Comments

Published by American Physical Society. Phys. Rev. Lett. 96, 081803 (2006). http://prl.aps.org. Copyright © 2006 American Physical Society. Permission to use.

Abstract

We present a search for Higgs bosons decaying into bb̅ and produced in association with W bosons in pp̅ collisions at √s = 1.96 TeV. This search uses 320 pb-1 of the data set accumulated by the upgraded Collider Detector at Fermilab. Events are selected that have a high-transverse momentum electron or muon, missing transverse energy, and two jets, at least one of which is consistent with the hadronization of a b quark. Both the number of events and the dijet mass distribution are consistent with standard model background expectations, and we set 95% confidence level upper limits on the production cross section times branching ratio for the Higgs boson or any new particle with similar decay kinematics. These upper limits range from 10 pb for mH = 110 GeV/c2 to 3 pb for mH = 150 GeV/c2.

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