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arxiv: 0910.4481 · v1 · submitted 2009-10-23 · ✦ hep-ph

Analytic results for the one-loop NMHV Hqqgg amplitude

Simon Badger , John M. Campbell , R. Keith Ellis , Ciaran Williams This is my paper
classification ✦ hep-ph
keywords one-loopamplitudebosonhelicityhiggsnmhvpairamplitudes
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We compute the one-loop amplitude for a Higgs boson, a quark-antiquark pair and a pair of gluons of negative helicity, i.e. for the next-to-maximally helicity violating (NMHV) case, A(H, qbar-, q+, g-, g-). The calculation is performed using an effective Lagrangian which is valid in the limit of very large top quark mass. As a result of this paper all amplitudes for the transition of a Higgs boson into 4 partons are now known analytically at one-loop order.

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  1. Two-loop all-plus helicity amplitudes for self-dual Higgs boson with gluons via unitarity cut constraints

    hep-ph 2025-11 unverdicted novelty 7.0

    Two-loop all-plus helicity amplitudes for self-dual Higgs plus gluons are obtained via four-dimensional unitarity cuts into one-loop and tree amplitudes plus finite-field tensor reduction.