Higgs Decay To \bar{b}b: Different Approaches To Resummation Of QCD Effects

Details Higgs Decay To \bar{b}b: Different Approaches To Resummation Of QCD Effects Higgs Decay To \bar{b}b: Different Approaches To Resummation Of QCD Effects

2007-12-15

arxiv.org/abs/0712.2514v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 2 figures, submitted tio the Proceedings of 13 Lomonosov Conference on Elementary Particle Physics, Moscow State Univ

Scientific paper

The comparison between parameterisations of the perturbation results for the decay width of the Standard Model Higgs boson to \bar{b}b-quarks pairs, based on application of \bar{MS}-scheme running quark mass and pole b-quark mass, are presented. In the case of the latter parameterisation taking into account of order O(\alpha_s^3) term is rather important. It is minimising deviations of the results obtained at the O(\alpha_s^2) level from the results, which follow from the running quark mass approach

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