Research Papers in Physics and Astronomy

 

Date of this Version

10-27-2006

Comments

Published by American Physical Society. Phys. Rev. Lett. 97, 171806 (2006). http://prl.aps.org. Copyright © 2006 American Physical Society. Permission to use.

Abstract

A search for direct production of scalar bottom quarks () is performed with 310 pb-1 of data collected by the D0 experiment in pp̅ collisions at √s = 1.96 TeV at the Fermilab Tevatron Collider. The topology analyzed consists of two b jets and an imbalance in transverse momentum due to undetected neutralinos (χ̃10), with χ̃10 assumed to be the lightest supersymmetric particle. We find the data consistent with standard model expectations, and set a 95% C.L. exclusion domain in the (m, m χ̃10) mass plane, improving significantly upon the results from run I of the Tevatron.

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