Publication date
September 2003
DOI Publisher
Published by Elsevier B.V.Abstract
AbstractWe analyze the hadronic and radiative decay modes of the recently observed DsJ(2317) meson, in the hypothesis that it can be identified with the scalar sℓP=12+ state of cs̄ spectrum (Ds0). The method is based on heavy quark symmetries and vector meson dominance ansatz. We find that the hadronic isospin violating mode Ds0→Dsπ0 is enhanced with respect to the radiative mode Ds0→Ds∗γ. The estimated width of the meson is Γ(Ds0)≃7 keV
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