Pauli Interference in the 't Hooft Model: Heavy Quark Expansion and Quark-Hadron Duality

Details Pauli Interference in the 't Hooft Model: Heavy Quark Expansion and Quark-Hadron Duality Pauli Interference in the 't Hooft Model: Heavy Quark Expansion and Quark-Hadron Duality

1999-03-04

arxiv.org/abs/hep-ph/9903258v1

Phys.Lett. B457 (1999) 163-169

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 2 figures in the text; LaTeX

Scientific paper

10.1016/S0370-2693(99)00540-7

Pauli Interference in decays of heavy flavor mesons, a genuinely nonleptonic nonperturbative effect, is considered in the 't Hooft model. Analytic summation of the exclusive decay widths yields the same expression as obtained in the OPE-based approach. Threshold-related violations of local duality in PI are found to be suppressed. A novel case is identified where the OPE effect is completely saturated by a single final state.

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