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 $D_s(2317)$ is a canonical $c\bar{s}$ 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 $D_s$ systems, but is accidental. Radiative transitions and bottom flavoured meson masses are discussed.

7 pages, 6 figures. References improved

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• Study of meson properties in quark models (Ph.D. Thesis, University of Pittsburgh, October 2006)