Two-loop leading color corrections to heavy-quark pair production in the gluon fusion channel
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Publication:544299
DOI10.1007/JHEP01(2011)102zbMATH Open1214.81294arXiv1011.6661WikidataQ59270537 ScholiaQ59270537MaRDI QIDQ544299
Author name not available (Why is that?)
Publication date: 14 June 2011
Published in: (Search for Journal in Brave)
Abstract: 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.
Full work available at URL: https://arxiv.org/abs/1011.6661
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