Journal
PHYSICAL REVIEW LETTERS
Volume 127, Issue 7, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.127.072002
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Funding
- U.S. Department of Energy [DE-AC02-76SF00515]
- Swiss National Science Foundation (SNF) [200020-175595]
- U.K. STFC [ST/P001246/1]
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This study presents the first fully differential predictions for the production cross section of a Higgs boson via the gluon fusion mechanism at next-to-next-to-next-to-leading order ((NLO)-L-3) in QCD perturbation theory. The (NLO)-L-3 corrections exhibit complex features and significantly reduce perturbative uncertainties for the production cross section.
We present the first fully differential predictions for the production cross section of a Higgs boson via the gluon fusion mechanism at next-to-next-to-next-to-leading order ((NLO)-L-3) in QCD perturbation theory. Differential distributions are shown for the two-photon final state produced by the decay of the Higgs boson for a realistic set of fiducial cuts. The (NLO)-L-3 corrections exhibit complex features and are in part larger than the inclusive (NLO)-L-3 corrections to the production cross section. Overall, we observe that the inclusion of the (NLO)-L-3 QCD corrections significantly reduces the perturbative uncertainties and leads to a stabilization of the perturbative expansion.
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