NLL resummation of the heavy-quark hadroproduction cross-section

Details NLL resummation of the heavy-quark hadroproduction cross-section NLL resummation of the heavy-quark hadroproduction cross-section

1998-01-21

arxiv.org/abs/hep-ph/9801375v2

Nucl.Phys.B529:424-450,1998; Erratum-ibid.B803:234,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

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

Scientific paper

10.1016/S0550-3213(98)00335-6 10

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.

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