Two-loop amplitudes for processes gg → Hg, qg → Hq and q q ¯ → H g $$ \mathrm{q}\overline{\mathrm{q}}\to \mathrm{H}\mathrm{g} $$ at large Higgs transverse momentum

Kudashkin, Kirill (0000 0001 0075 5874, Institute for Theoretical Particle Physics, KIT, Wolfgang-Gaede-Straße 1, Karlsruhe, Germany) ; Melnikov, Kirill (0000 0001 0075 5874, Institute for Theoretical Particle Physics, KIT, Wolfgang-Gaede-Straße 1, Karlsruhe, Germany) ; Wever, Christopher  (0000 0001 0075 5874, Institute for Theoretical Particle Physics, KIT, Wolfgang-Gaede-Straße 1, Karlsruhe, Germany) (0000 0001 0075 5874, Institut für Kernphysik, KIT, Hermann-von-Helmholtz-Platz 1, Eggenstein-Leopoldshafen, Germany)

26 February 2018

Abstract: We compute the two-loop QCD corrections to amplitudes for processes gg → Hg, qg → Hq and q q ¯ → H g $$ q\overline{q}\to Hg $$ in the limit when the Higgs transverse momentum is larger than the top quark mass, p ⊥ ≫ m t . These amplitudes are important ingredients for understanding higher-order QCD effects on Higgs transverse momentum distribution at large p ⊥ .


Published in: JHEP 1802 (2018) 135
Published by: Springer/SISSA
DOI: 10.1007/JHEP02(2018)135
arXiv: 1712.06549
License: CC-BY-4.0



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