Comparison of Monte Carlo predictions for Higgs boson production in association with bottom quarks, highlighting implications for accuracy.
This note presents a comparison of two Monte Carlo predictions for gluon-induced Higgs boson production in association with bottom quarks mediated by the top-Higgs coupling. Samples are generated using MadGraph5_aMC@NLO in the four-flavour scheme, providing next-to-leading order accuracy for the gg → bb̄H process, and with NNLOPS based on POWHEG_BOX_v2 in the five-flavour scheme, which retains only leading order accuracy for final states involving the Higgs boson produced in association with two additional jets. Differential distributions at particle level are studied and compared across the two predictions, with a focus on observables involving the Higgs boson and b-jets.
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ATLAS Collaboration (2025) studied this question.
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