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- W2005013693 abstract "Abstract Hadronic coupling constants of the vertices including charm mesons are calculated in a nonrelativistic quark model. The wave functions of the mesons which enter the corresponding overlap integrals are obtained from the charmonium picture as quark-anti-quark bound state solutions of the Schrodinger equation. The model for the vertices takes into account in a dynamical way the SU4 breakings through different masses of quarks and different wave functions in the overlap integrals. All hadronic vertices involving scalar, pseudoscalar, vector, pseudovector and tensor mesons are calculated up to an overall normalization constant. Regularities among the couplings of mesons and their radial excitations are observed: (i) Couplings decrease with increasing order of radial excitations; (ii) in general they change sign if a particle is replaced by its next radial excitation. The k-dependence of the vertices is studied. This has potential importance in explaining the unorthodox ratios in different decay channels (e.g. D D , D D ∗ , D ∗ D ∗ ). Having got the hadronic couplings radiative transitions are obtained with the current coupled to mesons and their recurrences. The resulting width values are smaller than those conventionally obtained in the native quark model. The whole picture is only adequate for nonrelativistic configurations, as for the members of the charmonium- or of the γ-family and most calculations have been done for transitions among charmed states. To see how far nonrelativistic concepts can be applied, couplings of light mesons are also considered." @default.
- W2005013693 created "2016-06-24" @default.
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- W2005013693 date "1980-01-01" @default.
- W2005013693 modified "2023-09-23" @default.
- W2005013693 title "Coupling constants and the nonrelativistic quark model with charmonium potential" @default.
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- W2005013693 doi "https://doi.org/10.1016/0003-4916(80)90358-9" @default.
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