4.4 Article

The light-fermion contribution to the exact Higgs-gluon form factor in QCD

Journal

JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 10, Pages -

Publisher

SPRINGER
DOI: 10.1007/JHEP10(2019)148

Keywords

NLO Computations; QCD Phenomenology

Funding

  1. Deutsche Forschungsgemeinschaft (DFG) through the Collaborative Research Center [TRR 257]
  2. European Research Council (ERC) under the European Unions Horizon 2020 research and innovation programme [647356]
  3. state of Baden-Wurttemberg through bwHPC
  4. German Research Foundation (DFG) [INST 39/963-1 FUGG]
  5. RWTH Aachen University [rwth0119]

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An analytical expression for the three-loop form factors for ggH and gamma gamma H is derived for the contributions which involve massless quark loops. The result is expressed in terms of harmonic polylogarithms. It fully agrees with previously obtained kinematical expansions, and confirms a recent semi-numerical approximation which extends over the full kinematic range.

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