Abstract
Effects from a finite top quark mass on differential distributions in the Higgs + jet production cross section through gluon fusion are studied at next-to-leading order in the strong coupling, i.e. \( O\left( {\alpha_s^4} \right) \). Terms formally subleading in 1/m t are calculated, and their influence on the transverse momentum and rapidity distribution of the Higgs boson are evaluated. We find that, for the differential K-factor, the heavy-top limit is valid at the 2-3% level as long as the transverse momentum of the Higgs remains below about 150 GeV.
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Harlander, R.V., Neumann, T., Ozeren, K.J. et al. Top-mass effects in differential Higgs production through gluon fusion at \( O\left( {\alpha_s^4} \right) \) . J. High Energ. Phys. 2012, 139 (2012). https://doi.org/10.1007/JHEP08(2012)139
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DOI: https://doi.org/10.1007/JHEP08(2012)139