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Explicit Quark-Hadron Duality in 1+1 Dimensions

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Preprint
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arXiv ID: hep-ph/9808452
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arXiv
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Abstract

Explicit quark-hadron duality in the limit of heavy quark mass is studied using the 't Hooft model, where both partonic and hadronic amplitudes may be computed exactly. Results for weak decays of heavy mesons are presented for both standard spectator decays, where the duality limit is convincingly approached, and annihilation decays of the valence quark-antiquark pair, where the approach to asymptotic duality is much less precise.

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