The DsJ(2317): what can the Lattice say?
Gunnar S Bali
Abstract
We present lattice results on the scalar Ds meson and comment on the DsJ+(2317) state recently discovered by BaBar and confirmed by CLEO, in view of a series of theoretical claims and counter claims. Lattice predictions in the static limit indicate larger masses than observed for a scalar quark model state. Finite c quark mass corrections seem to further enlarge this discrepancy, in support of a non quark-antiquark-state interpretation of experiment.
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