Is the Z^+(4430) a radially excited state of D_s?

Details Is the Z^+(4430) a radially excited state of D_s? Is the Z^+(4430) a radially excited state of D_s?

2008-05-16

arxiv.org/abs/0805.2442v2

Phys.Lett.B669:156-159,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 4 figures

Scientific paper

10.1016/j.physletb.2008.09.050

We present the interpretation that the recently discovered Z^+(4430) by the Belle Collaboration can be a radial excitation of the cs-bar state. We give an explicit cs-bar candidate for this state by calculating the mass value in our semirelativistic quark potential model and also give a natural interpretation on the reason why the decay mode Z-> J/\psi \pi^+ has not yet been seen while Z-> \psi' \pi can be seen.

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