We describe a new method, based on an extension of the unitarity cutting rules proposed earlier, which is very efficient for the algorithmic evaluation of phase-space integrals for various differential distributions. As a first application, we compute the next-to-leading order normalized rapidity distribution of the CP-even and the CP-odd Higgs boson produced in hadron collisions through gluon fusion. We work in the heavy top-quark approximation; we find that the NLO corrections at the LHC are approximately 5% in the zero rapidity region.
@article{arxiv.hep-ph/0211141,
title = {NLO Higgs boson rapidity distribution at hadron colliders},
author = {Charalampos Anastasiou and Lance Dixon and Kirill Melnikov},
journal= {arXiv preprint arXiv:hep-ph/0211141},
year = {2010}
}
Comments
5 pages, 2 figures, presented at Legs and Loops - RADCOR 02 conference