Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-07-25
Phys.Lett. B492 (2000) 74-80
Physics
High Energy Physics
High Energy Physics - Phenomenology
LaTeX, 9 pages, 2 figures (8 PostScript files)
Scientific paper
10.1016/S0370-2693(00)01042-X
The virtual corrections to the production cross section of a Standard Model Higgs boson are computed up to order \alpha_s^4. Using an effective Lagrangian for the limit M_t -> \infty, we evaluate the relevant massless two-loop vertex diagrams by mapping them onto three-loop two-point functions, following a method recently introduced by Baikov and Smirnov. As a result, we find a gauge-invariant contribution to the total Higgs production cross section at NNLO.
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