Research Papers in Physics and Astronomy

 

Date of this Version

3-8-1999

Comments

Published by American Physical Society. Phys. Rev. Lett. 82, 2038 (1999). http://prl.aps.org. Copyright © 1999 American Physical Society. Permission to use.

Abstract

We have used 87 pb-1 of data collected with the collider detector at Fermilab to search for new particles decaying to bb̅. We present model-independent upper limits on the cross section for narrow resonances which exclude the color-octet technirho in the mass interval 350 < M < 440 GeV/c2. In addition, we exclude top-gluons, predicted in models of top-color-assisted technicolor, of width Γ= 0.3M in the mass range 280 < M < 670 GeV/c2, of width Γ= 0.5M in the mass range 340 < M < 640 GeV/c2, and of width Γ= 0.7M in the mass range 375 < M < 560 GeV/c2.

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