2015/01/19 by Keith Hamilton, K. Hamilton, Hamilton, Keith +4 · 9 citations
Mathematics · Physics and Astronomy · #Algorithm #Computer science #Exponentiation #FOS: Physical sciences #Factorization #Generator (circuit theory) #Higgs boson #High Energy Physics - Experiment (hep-ex) #High Energy Physics - Phenomenology (hep-ph) #High-Energy Particle Collisions Research #Mathematical physics #Mathematics #Particle physics #Particle physics theoretical and experimental studies #Parton #Parton shower #Physics #Power (physics) #Quantum Chromodynamics and Particle Interactions #Quark #Renormalization #Top quark #hep-ex #hep-ph
paper · pdf · doi:10.48550/arxiv.1501.04637
published in arXiv (Cornell University) (Cornell University) · 23 pages, 7 figures
arxiv created 2015/01/19 · openalex publication_date 2015/01/19 · arxiv updated 2015/01/21 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/06
We include finite top- and bottom-mass effects in the next-to-next-to-leading order parton shower (NNLOPS) event generator for inclusive Higgs boson production in gluon fusion based upon the POWHEG+MiNLO approach. Since fixed-order results for quark-mass effects only reach NLO accuracy, we add them to the NNLOPS generator at that accuracy. We explore uncertainties related to the unknown all-order logarithmic structure of bottom-mass effects by comparing the assumption of full exponentiation to no exponentiation at all. Phenomenological results showing the effects of finite quark-masses in the NNLOPS simulation are presented. These suggest that the aforementioned uncertainty is well contained within the envelope of plain renormalization and factorization scale uncertainties.