4.4 Article

Two-loop massless QCD corrections to the g plus g H plus H four-point amplitude

Journal

JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 11, Pages -

Publisher

SPRINGER
DOI: 10.1007/JHEP11(2018)130

Keywords

NLO Computations; QCD Phenomenology

Funding

  1. Swiss National Science Foundation (SNF) [200020-175595]
  2. Pauli Center for Theoretical Studies
  3. Research Executive Agency (REA) of the European Union under the ERC Advanced Grant MC@NNLO [340983]
  4. Research Executive Agency (REA) of the European Union under the ERC Starting Grant MathAm [39568]

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We compute the two-loop massless QCD corrections to the four-point amplitude g + g H + H resulting from effective operator insertions that describe the interaction of a Higgs boson with gluons in the infinite top quark mass limit. This amplitude is an essential ingredient to the third-order QCD corrections to Higgs boson pair production. We have implemented our results in a numerical code that can be used for further phenomenological studies.

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