Measurement of the Ratio of b Quark Production Cross Sections in Antiproton-Proton Collisions at 630 GeV and 1800 GeV

Abstract

We report a measurement of the ratio of the bottom quark production cross section in antiproton-proton collisions at 630 GeV to 1800 GeV using bottom quarks with transverse momenta greater than 10.75 GeV identified through their semileptonic decays and long lifetimes. The measured ratio sigma(630)/sigma(1800) = 0.171 +/- .024 +/- .012 is in good agreement with next-to-leading order (NLO) quantum chromodynamics (QCD).

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• Low-Energy Supersymmetry and the Tevatron Bottom-Quark Cross Section
• Measurement of the $B^{+}$ Total Cross Section and $B^{+}$ Differential Cross Section $d\sigma /d{p}_T$ in $p\bar{p}$ Collisions at $\sqrt{s}=1.8$ TeV

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