Scalar Correlator at O(alpha_s^4), Higgs Decay into b-quarks and Bounds on the Light Quark Masses

Details Scalar Correlator at O(alpha_s^4), Higgs Decay into b-quarks and Bounds on the Light Quark Masses Scalar Correlator at O(alpha_s^4), Higgs Decay into b-quarks and Bounds on the Light Quark Masses

2005-11-07

arxiv.org/abs/hep-ph/0511063v2

Phys.Rev.Lett.96:012003,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, REVTeX4. Few references updated. The final version, accepted for publication. The complete paper is also available vi

Scientific paper

10.1103/PhysRevLett.96.012003

We compute, for the first time, the absorptive part of the massless
correlator of two quark scalar currents in five loops. As physical applications
we consider the O(alpha_s^4) corrections to the decay rate of the Standard
Model Higgs boson into quarks, as well as the constraints on the strange quark
mass following from QCD sum rules.

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