Abstract
We sum the leading logarithms \( {\alpha}_s^n{\ln}^{2n-1}\left(1-z\right) \), 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 CF → CA, confirming previous fixed-order results. 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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Beneke, M., Garny, M., Jaskiewicz, S. et al. Leading-logarithmic threshold resummation of Higgs production in gluon fusion at next-to-leading power. J. High Energ. Phys. 2020, 94 (2020). https://doi.org/10.1007/JHEP01(2020)094
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DOI: https://doi.org/10.1007/JHEP01(2020)094