Understanding the Charged Meson Z(4430)

Details Understanding the Charged Meson Z(4430) Understanding the Charged Meson Z(4430)

2007-11-09

arxiv.org/abs/0711.1485v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 1 figure

Scientific paper

The difference between Z(4430) as a $D^{*}D_1$ molecule and a tetraquark state and how to distinguish between them are discussed. We construct an effective Lagrangian with $D^{*}D_1$ contact interactions constrained by the heavy quark symmetry and chiral symmetry to study Z(4430). We find that if Z(4430) is a $D^{*}D_1$ molecule state, there should be a $B^{*}B_1$ bound state as well, and it mass is about 11048.6 MeV.

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