A Canonical Ds(2317)?
Abstract
It is shown that quark mass dependence induced by one loop corrections to the Breit-Fermi spin-dependent one gluon exchange potential permit an accurate determination of heavy-light meson masses. Thus the Ds(2317) is a canonical c s meson in this scenario. The multiplet splitting relationship of chiral doublet models, M(1+)-M(1-) = M(0+) -M(0-), holds to good accuracy in the D and Ds systems, but is accidental. Radiative transitions and bottom flavoured meson masses are discussed.
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