A bstract 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( αₛ⁴ ) . 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 et al. (2012) studied this question.
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