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Leading-logarithmic threshold resummation of Higgs production in gluon fusion at next-to-leading power

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arxiv 1910.12685 v1 pith:E2ITXFTF submitted 2019-10-28 hep-ph

Martin Beneke , Mathias Garny , Sebastian Jaskiewicz , Robert Szafron , Leonardo Vernazza , Jian Wang This is my paper
classification hep-ph
keywords next-to-leadingpowerproductionfusiongluonhiggsleadinglogarithms
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We sum the leading logarithms $\alpha_s^n \ln^{2 n-1}(1-z)$, n=1,2,... near the kinematic threshold $z=m_H^2/\hat{s}\to 1$ at next-to-leading power in the expansion in (1-z) for Higgs production in gluon fusion. We highlight the new contributions compared to Drell-Yan production in quark-antiquark annihilation and show that the final result can be obtained to all orders by the substitution of the colour factor $C_F\to C_A$, confirming previous fixed-order results and conjectures. We also provide a numerical analysis of the next-to-leading power leading logarithms, which indicates that they are numerically relevant.

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Cited by 6 Pith papers

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