Two-Loop Leading Color Corrections to Heavy-Quark Pair Production in the Gluon Fusion Channel

Details Two-Loop Leading Color Corrections to Heavy-Quark Pair Production in the Gluon Fusion Channel Two-Loop Leading Color Corrections to Heavy-Quark Pair Production in the Gluon Fusion Channel

2010-11-30

arxiv.org/abs/1011.6661v1

JHEP 1101:102,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, 3 figures, additional files with results and numerical program

Scientific paper

10.1007/JHEP01(2011)102

We evaluate the two-loop QCD diagrams contributing to the leading color coefficient of the heavy-quark pair production cross section in the gluon fusion channel. We obtain an analytic expression, which is valid for any value of the Mandelstam invariants s and t and of the heavy-quark mass m. Our findings agree with previous analytic results in the small-mass limit and with recent results for the coefficients of the IR poles.

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