Finite width effects in nonleptonic D -meson decays

Kumar, Girish; Muhammad, Sudheer; Petrov, Alexey A.

doi:10.1103/PhysRevD.111.054038

Finite width effects in nonleptonic $D$ -meson decays

Journal Article · Mon Mar 31 00:00:00 EDT 2025 · Physical Review. D.

DOI:https://doi.org/10.1103/PhysRevD.111.054038· OSTI ID:2543114

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Many analyses of two-body nonleptonic decays of $D$ -mesons rely on flavor $S U (3)$ 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.

Published by the American Physical Society 2025

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Sponsoring Organization:: USDOE

Grant/Contract Number:: SC0024357

OSTI ID:: 2543114

Journal Information:: Physical Review. D., Journal Name: Physical Review. D. Journal Issue: 5 Vol. 111; ISSN PRVDAQ; ISSN 2470-0010

Publisher:: American Physical SocietyCopyright Statement

Country of Publication:: United States

Language:: English

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Finite width effects in nonleptonic D -meson decays

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Finite width effects in nonleptonic $D$ -meson decays