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MHV rules for Higgs plus multi-parton amplitudes.

By S. D. Badger, E. W. N. Glover and V. V. Khoze

Abstract

We present MHV-rules for constructing perturbative amplitudes for a Higgs boson and an arbitrary number of partons. We give explicit expressions for amplitudes involving a Higgs and three negative helicity partons and any number of positive helicity partons — the NMHV amplitudes. We also present a recursive formulation of MHV rules that incorporates the Higgs, quarks and gluons. The recursion relations are valid for all non-MHV amplitudes. The general results agree numerically with all of the available Higgs + n-parton amplitudes and in some cases provide considerably shorter expressions

Topics: Supersymmetry, Duality, QCD, NLO computations, Higgs physics.
Publisher: Institute of Physics
Year: 2005
DOI identifier: 10.1088/1126-6708
OAI identifier: oai:dro.dur.ac.uk.OAI2:1555
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