NLL resummation of the heavy-quark hadroproduction cross-section

Abstract

We compute the effect of soft-gluon resummation, at the next-to-leading-logarithmic level, in the hadroproduction cross-section for heavy flavours. Applications to top, bottom and charm total cross-sections are discussed. We find in general that the corrections to the fixed next-to-leading-order results are larger for larger renormalization scales, and small, or even negative, for smaller scales. This leads to a significant reduction of the scale-dependence of the results, for most experimental configurations of interest.

28 pages, Latex, epsfig, 15 figures. Corrected typos in captions of Figs. 2 and 9. Corrected NLO curve in Fig. 14

References in corpus (3)

• Resummation for QCD Hard Scattering
• Measurement of the Top Quark Pair Production Cross Section in pbarp Collisions
• Threshold Resummation of the Total Cross Section for Heavy Quark Production in Hadronic Collisions

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