2002/09/30 by Christopher J. Glosser, C. Glosser, Carl R. Schmidt · 2 citations
Physics and Astronomy · #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph
paper · pdf · doi:10.1088/1126-6708/2002/12/016
published as JHEP 0212 (2002) 016 · 40 pages, 10 figures, JHEP style (minor changes, added reference)
openalex publication_date 2002/12/04 · arxiv created 2003/01/09 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
We present a fully analytic calculation of the Higgs boson transverse momentum and rapidity distributions, for nonzero Higgs p_⊥, at next-to-leading order in the infinite-top-mass approximation. We separate the cross section into a part that contains the dominant soft, virtual, collinear, and small-p_⊥-enhanced contributions, and the remainder, which is organized by the contributions due to different parton helicities. We use this cross section to investigate analytically the small-p_⊥ limit and compare with the expectation from the resummation of large logarithms of the type lnmH/p_⊥. We also compute numerically the cross section at moderate p_⊥ where a fixed-order calculation is reliable. We find a K-factor that varies from ≈1.6-1.8, and a reduction in the scale dependence, as compared to leading order. Our analysis suggests that the contribution of current parton distributions to the total uncertainty on this cross section at the LHC is probably less than that due to uncalculated higher orders.