The DsJ(2317): what can the Lattice say?

Details The DsJ(2317): what can the Lattice say? The DsJ(2317): what can the Lattice say?

2003-05-19

arxiv.org/abs/hep-ph/0305209v2

Phys.Rev.D68:071501,2003

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 1 Figure

Scientific paper

10.1103/PhysRevD.68.071501

We present lattice results on the scalar $D_s$ meson and comment on the $D_{sJ}^+(2317)$ 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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