Analytic Virtual Corrections for Higgs Transverse Momentum Spectrum at $O(α_s^2/m_t^3)$ via Unitarity Methods
arXiv:0911.2707
Abstract
Utilizing the Higgs Effective Theory, including dimension eight operators, in conjuction with spinor-helicity and unitarity methods, I present analytic expressions for the virtual corrections for $gg\to Hg$ and $q\overline{q}\to Hg$ amplitudes at order $α_s^2/m_t^3$. These contributions become enhanced as the invariant final state mass increases.