Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2008-09-23
Phys.Rev.D78:094013,2008
Physics
High Energy Physics
High Energy Physics - Phenomenology
16 pages, 4 figures, 4 electronic files, one reference added, matches published version
Scientific paper
10.1103/PhysRevD.78.094013
We calculate the next-to-next-to-leading order ${\cal O}(\alpha_s^4)$ one-loop squared corrections to the production of heavy-quark pairs in the gluon-gluon fusion process. Together with the previously derived results on the $q \bar{q}$ production channel the results of this paper complete the calculation of the one-loop squared contributions of the next-to-next-to-leading order ${\cal O}(\alpha_s^4)$ radiative QCD corrections to the hadroproduction of heavy flavors. Our results, with the full mass dependence retained, are presented in a closed and very compact form, in dimensional regularization.
Kniehl Bernd
Körner Juergen G.
Merebashvili Zakaria
Rogal Mikhail
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