Two-loop gg → Hg amplitude mediated by a nearly massless quark

@article{Melnikov2016TwoloopG,
  title={Two-loop gg → Hg amplitude mediated by a nearly massless quark},
  author={K. Melnikov and L. Tancredi and Christopher Wever},
  journal={Journal of High Energy Physics},
  year={2016},
  volume={2016},
  pages={1-27}
}
  • K. Melnikov, L. Tancredi, Christopher Wever
  • Published 2016
  • Physics
  • Journal of High Energy Physics
  • A bstractWe analytically compute the two-loop scattering amplitude gg → Hg assuming that the mass of the quark, that mediates the ggH interaction, is vanishingly small. Our computation provides an important ingredient required to improve the theoretical description of the top-bottom interference effect in Higgs boson production in gluon fusion, and to elucidate its impact on the Higgs boson transverse momentum distribution. 
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