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Finite width effects in nonleptonic D-decays (2501.00117v1)
Published 30 Dec 2024 in hep-ph and hep-ex
Abstract: Many analyses of two-body non-leptonic decays of $D$-mesons rely on flavor SU(3) symmetry relations and fits of experimental data of decays rates to extract the universal transition amplitudes. Such fits assume that the final state mesons are well-defined asymptotic states of QCD. We develop a technique to take into account the finite width effects of the final state mesons and study their effects on the extracted values of transition amplitudes.
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