Heavy top limit and double-logarithmic contributions to Higgs production at m_H^2 / s << 1

Details Heavy top limit and double-logarithmic contributions to Higgs production at m_H^2 / s << 1 Heavy top limit and double-logarithmic contributions to Higgs production at m_H^2 / s << 1

2002-03-14

arxiv.org/abs/hep-ph/0203140v1

Phys.Lett. B535 (2002) 159-162

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages

Scientific paper

10.1016/S0370-2693(02)01761-6

Next-to-next-to-leading order (NNLO) QCD corrections to Higgs boson hadroproduction have recently been calculated in the heavy top-quark limit m_t -> \infty. The m_t -> \infty limit introduces double-logarithmic corrections in ln x, with x = m_H^2 / s. We identify these corrections order by order in alpha_s. As an application, we derive an analytic expression for the dominant x << 1 part of the NNLO coefficient.

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