Precise predictions for Higgs production in models with color-octet scalars
arXiv:1006.5773 · doi:10.1016/j.nuclphysbps.2010.09.008
Abstract
We describe an effective-theory computation of the next-to-next-to-leading order (NNLO) QCD corrections to the gluon-fusion production of a Higgs boson in models with massive color-octet scalars in the (8,1)_0 representation. Numerical results are presented for both the Tevatron and the LHC. The estimated theoretical uncertainty is greatly reduced by the inclusion of the NNLO corrections. Color-octet scalars can increase the Standard Model rate by more than a factor of two in allowed regions of parameter space.
6 pages, 5 figures, to appear in the proceedings of the "10th DESY Workshop on Elementary Particle Theory: Loops and Legs in Quantum Field Theory", Woerlitz, Germany, April 25-30, 2010
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- The quark-lepton portal beyond leptoquarks