Next-to-Leading Order Corrections to Higgs Boson Pair Production in Gluon Fusion
arXiv:1608.03851
Abstract
We present a calculation of the next-to-leading order QCD corrections to the production of Higgs boson pairs in gluon fusion keeping the full dependence on the mass of the top quark. The virtual corrections, involving two-loop integrals with up to four mass scales, have been calculated numerically and we present an efficient algorithm to obtain accurate results of the virtual amplitude using numerical integrations. Taking the top quark mass into account we obtain significant differences compared to results obtained in the heavy top limit.
arXiv commentContribution to the proceedings of 'Loops and Legs in Quantum Field Theory', 24-29 April 2016, Leipzig, Germany
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