The charmed strange meson system

Details The charmed strange meson system The charmed strange meson system

2003-09-30

arxiv.org/abs/hep-ph/0309341v1

Mod.Phys.Lett. A18 (2003) 2837-2847

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages LaTeX

Scientific paper

10.1142/S0217732303012453

Motivated by the recent surprising discovery of two new meson states with c s-bar quark content but unexpectedly low masses and narrow total decay widths, we work out, in a nonrelativistic potential-model approach developed already some two decades ago, the predictions for the energy levels of the corresponding charm-antistrange quark bound states. In spite of the fact that this simple quark model reproduces the mass spectrum of the previously observed hadrons remarkably well, we are led to the conclusion that, without considerable modifications, both the new states do not fit into this framework.

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