Decay properties of new D-mesons

Abstract

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.

12 pages, Latex

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Cited by in corpus (11)

• A review of the open charm and open bottom systems
• Strong and radiative decays of the Ds0*(2317) meson in the DK-molecule picture
• Hidden gauge formalism for the radiative decays of axial-vector mesons
• D* K molecular structure of the Ds1(2460) meson
• The open-charm radiative and pionic decays of molecular charmonium Y(4274)
• Radiative decay of the dynamically generated open and hidden charm scalar meson resonances D_{s0}^*(2317) and X(3700)
• Weak decays of heavy hadron molecules involving the f0(980)
• Isospin quantum number of D_{s0}^+(2317)
• Chiral loops in the isospin violating decays of D_{s1}(2460) and D*_{s0}(2317)
• Observation of the radiative decay $D_s(2317{)}^{+}\to D_s^{\ast }\gamma$
• Exotic hadrons associated with $b$-quark