Complete QCD Corrections of Order O(α_s^3) to the Hadronic Higgs Decay

Details Complete QCD Corrections of Order O(α_s^3) to the Hadronic Higgs Decay Complete QCD Corrections of Order O(α_s^3) to the Hadronic Higgs Decay

1997-06-23

arxiv.org/abs/hep-ph/9706462v1

Phys.Lett.B408:320-324,1997

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages (Latex), 4 figures (Postscript), to be published in Phys. Lett. B

Scientific paper

10.1016/S0370-2693(97)00779-X

We consider the decay of an intermediate mass Higgs boson into hadrons up to order O(\alpha_s^3). The results from the diagrams containing only light degrees of freedom were recently computed in a previous work by K.G. Ch. (Phys. Lett. B 390 (1997) 309). In this letter the remaining contributions involving the top quark are evaluated analytically using an effective field theory approach. Coupled with the previous result the present calculation determines the complete next-next-to-leading order correction to the hadronic decay rate of an intermediate mass Higgs boson.

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