Measurement of the ratio of b quark production cross sections in p¯p collisions at s=630 GeV and s=1800 GeV
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PHYSICAL REVIEW D（2002）
引用 37|浏览283
摘要
We report a measurement of the ratio of the bottom quark production cross section in antiproton-proton collisions at roots=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 quantum chromodynamics.
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