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Fully Differential Higgs Boson Production to Third Order in QCD
X Chen1,2,3, T Gehrmann1, E W N Glover4
1Department of Physics, Universität Zürich, Winterthurerstrasse 190, CH-8057 Zürich, Switzerland.
Physical Review Letters
|August 30, 2021
Summary
We provide the first fully differential predictions for Higgs boson production via gluon fusion at the highest precision yet (N³LO). These results significantly reduce theoretical uncertainties and stabilize calculations for Higgs boson physics.
Area of Science:
- High Energy Physics
- Quantum Chromodynamics
- Particle Physics
Background:
- The Higgs boson is a fundamental particle in the Standard Model.
- Understanding Higgs boson production is crucial for precision measurements.
- Previous calculations were limited in precision.
Purpose of the Study:
- To present the first fully differential predictions for Higgs boson production cross section.
- To calculate these predictions at next-to-next-to-next-to-leading order (N³LO) in QCD.
- To analyze the impact of N³LO corrections on differential distributions and uncertainties.
Main Methods:
- Perturbative Quantum Chromodynamics (QCD) calculations.
- Next-to-next-to-next-to-leading order (N³LO) precision.
- Analysis of differential distributions for the two-photon decay channel.
Main Results:
- The first fully differential N³LO predictions for Higgs boson production via gluon fusion.
- N³LO corrections show complex features and can be larger than inclusive corrections.
- Significant reduction in perturbative uncertainties observed.
Conclusions:
- N³LO corrections are essential for precise Higgs boson studies.
- The perturbative expansion is stabilized by including higher-order corrections.
- These results improve theoretical predictions for experimental analyses.
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