Two-Loop ${\cal O}(α_s^2)$ Correction to the $H\to b\bar b$ Decay Rate Induced by the Top Quark

Details Two-Loop ${\cal O}(α_s^2)$ Correction to the $H\to b\bar b$ Decay Rate Induced by the Top Quark Two-Loop ${\cal O}(α_s^2)$ Correction to the $H\to b\bar b$ Decay Rate Induced by the Top Quark

1994-10-24

arxiv.org/abs/hep-ph/9410356v1

Phys.Lett. B343 (1995) 299-303

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, Latex, figures (2) are not included, MPI/PhT/94-69

Scientific paper

10.1016/0370-2693(94)01472-O

We present the two-loop QED and QCD corrections to the $f\bar fH$ Yukawa
coupling that are induced by the exchange of a virtual photon or gluon,
respectively, with a heavy-fermion loop inserted. As an application, we study
the corresponding $\O(\alpha_s^2M_H^2/m_t^2)$ correction to the $H\to b\bar b$
decay rate.

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