Gluon-fusion contributions to Phi + 2 Jet production

Details Gluon-fusion contributions to Phi + 2 Jet production Gluon-fusion contributions to Phi + 2 Jet production

2010-11-16

arxiv.org/abs/1011.3819v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages, 11 figures

Scientific paper

In high energy hadronic collisions a scalar or pseudoscalar Higgs boson, Phi=H,A, can be efficiently produced via gluon fusion, which is mediated by heavy quark loops. We here consider double real emission corrections to Phi=A production, which lead to a Higgs plus two-jet final state, at order alpha_s^4. Full quark mass effects are considered in the calculation of scattering amplitudes for the CP-odd Higgs boson A, as induced by quark triangle-, box- and pentagon-diagrams. They complement the analogous results for a CP-even Higgs boson H in Ref.[1]. Interference effects between loops with top and bottom quarks as well as between CP-even and CP-odd couplings of the heavy quarks are fully taken into account.

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