2015/10/31 by Alessandro Broggio, Andrea Ferroglia, Ben D. Pecjak +2 · 5 citations
Physics and Astronomy · #Boson #Cross section (physics) #Higgs boson #High-Energy Particle Collisions Research #Large Hadron Collider #Logarithm #Monte Carlo method #Pair production #Particle physics theoretical and experimental studies #Production (economics) #Quantum Chromodynamics and Particle Interactions #Resummation #hep-ph
paper · pdf · doi:10.1007/jhep03(2016)124
35 pages, 5 tables and 12 figures. Version published in JHEP 1603 (2016) 124
openalex publication_date 2016/03/01 · arxiv created 2016/03/31 · arxiv updated 2016/04/20 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
We consider soft gluon emission corrections to the production of a top-antitop pair in association with a Higgs boson at hadron colliders. In particular, we present a soft-gluon resummation formula for this production process and gather all elements needed to evaluate it at next-to-next-to-leading logarithmic order. We employ these results to obtain approximate next-to-next-to-leading order (NNLO) formulas, and implement them in a bespoke parton-level Monte Carlo program which can be used to calculate the total cross section along with arbitrary differential distributions. We use this tool to study the phenomenological impact of the approximate NNLO corrections, finding that they increase the total cross section and the differential distributions which we evaluated in this work.