Decay properties of new D-mesons

Details Decay properties of new D-mesons Decay properties of new D-mesons

2004-03-08

arxiv.org/abs/hep-ph/0403082v1

Eur.Phys.J.A21:501-506,2004

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, Latex

Scientific paper

10.1140/epja/i2004-10010-4

We consider radiative and pionic decays of the new D_s-mesons in the framework of a phenomenologically motivated approach. Present data on ratios of the two kinds of decays can be described without explicit using a 4-quark component. Most probably, the isospin violation in decays of different D_s-mesons is not universal, and the binding potential should be different from Coulombic. New precise measurements may provide further clarification for the nature of the D_s excited states.

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