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This is a Quantitative Study study.

October 7, 2025Open Access

Jet rates in Higgs boson decay at third order in QCD

Key Points

The production rates for jets in Higgs boson decay are computed up to third order in QCD, differing significantly between decay modes.
Distinct jet rate dependencies on resolution parameters aid in identifying various Higgs boson decay channels effectively.
The two-jet rate is inferred from the inclusive decay rate while higher jet rates come from NNLO calculations.
These findings support the use of classic QCD observables for channel discrimination in Higgs boson decays.

Abstract

We compute the production rates for two, three, four and five jets in the hadronic decay of a Higgs boson in its two dominant decay modes to bottom quarks and gluons to third order in the QCD coupling constant. The five-, four- and three-jet rates are obtained from a next-to-next-to-leading order (NNLO) calculation of Higgs decay to three jets, while the two-jet rate is inferred at next-to-next-to-next-to-leading order (N³LO) from the inclusive decay rate. Our results show distinct differences in the dependence of the jet rates on the jet resolution parameter between the two decay modes, supporting the aim of discriminating different Higgs boson decay channels via classic QCD observables.

Jet rates in Higgs boson decay at third order in QCD

Key Points

Abstract

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