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Full-colour double-virtual amplitudes for associated production of a Higgs boson with a bottom-quark pair at the LHC
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abstract
We present the double-virtual amplitudes contributing to the production of a Higgs boson in association with a $b\bar{b}$ pair at the Large Hadron Collider. We perform the computation within the five-flavour scheme, which employs massless bottom quarks and finite bottom-Yukawa coupling, taking into account all the colour structures. We derive the analytic form of the helicity amplitudes through finite-field reconstruction techniques. The analytic expressions have been implemented in a public C++ library, and we demonstrate that evaluations are sufficiently stable and efficient for use in phenomenological studies.
Forward citations
Cited by 8 Pith papers
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Two-loop leading-color QCD corrections for Higgs plus two-jet production in the heavy-top limit
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Pseudo-Evanescent Feynman Integrals from Local Subtraction
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Two-loop all-plus helicity amplitudes for self-dual Higgs boson with gluons via unitarity cut constraints
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Double virtual QCD corrections to $t\bar{t}+$jet production at the LHC
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First NNLO+PS (MiNNLOPS) generator for ttH production, combining soft-Higgs and high-energy approximate two-loop amplitudes pointwise, with one-loop-level validation.
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