We present next-to-next-to-leading-order (NNLO) QCD corrections for Higgs production through bottom-quark annihilation ({}) matched to parton showers (NNLO+PS) using the {} technique. The {} method is adapted for the extra scale dependence due to the Yukawa coupling renormalized in the MS̄ scheme. The computation has been carried out in the five flavour scheme (5FS) neglecting the bottom mass. Results are compared against fixed-order predictions at NNLO and resummed predictions at next-to-next-to-leading-logarithmic (NNLL) accuracy. We also present preliminary results within the four-flavour scheme (4FS) setup, reaching a new level of precision in the massive scheme.
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Biello et al. (2024) studied this question.
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