Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2001-05-04
Phys.Rev.D64:114001,2001
Physics
High Energy Physics
High Energy Physics - Phenomenology
56 pages, 24 figures,latex
Scientific paper
10.1103/PhysRevD.64.114001
We resum Sudakov threshold enhancements in heavy quark hadroproduction for single-heavy quark inclusive and pair-inclusive kinematics. We expand these resummed results and derive analytical finite-order cross sections through next-to-next-to-leading order. This involves the construction of next-to-leading order matching conditions in color space. For the scale dependent terms we derive exact results using renormalization group methods. We study the effects of scale variations, scheme and kinematics choice on the partonic and hadronic cross sections, and provide estimates for top and bottom quark production cross sections.
Kidonakis Nikolaos
Laenen Eric
Moch Sven
Vogt Rainer
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