Global duality in heavy flavor decays in the 't Hooft model

Details Global duality in heavy flavor decays in the 't Hooft model Global duality in heavy flavor decays in the 't Hooft model

2001-06-18

arxiv.org/abs/hep-ph/0106205v2

Phys.Rev. D64 (2001) 094004

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 2 figures, revtex; typos in eqs1-2 corrected

Scientific paper

10.1103/PhysRevD.64.094004

We average the decay width of a heavy meson in the t' Hooft model over the heavy quark mass M with a smooth weight function. The averaging has support over a few resonance spacings. We use the previously determined heavy meson decay width which differs from the free quark width by a 1/M correction. In contrast, we find that the averaged meson and quark widths differ by a 1/M^2 correction. We speculate on the relevance of our results to the phenomenologically relevant case of 3+1 dimensional QCD.

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