The two-body open charm decays of $Z^+(4430)$

Details The two-body open charm decays of $Z^+(4430)$ The two-body open charm decays of $Z^+(4430)$

2008-03-31

arxiv.org/abs/0803.4270v2

Phys.Rev.D77:114021,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 3 figures, 1 table

Scientific paper

10.1103/PhysRevD.77.114021

The two-body open charm decays $Z^+(4430)\to D^{+}\bar{D}^{*0}, D^{*+}\bar{D}^{0}, D^{*+}\bar{D}^{*0}$ occur through the re-scattering mechanism and their branching ratios are strongly suppressed if $Z^+(4430)$ is a $D_1\bar D^*$ molecular state. In contrast, $Z^+(4430)$ falls apart into these modes easily with large phase space and they become the main decay modes if $Z^+(4430)$ is a tetraquark state. Experimental search of these two-body open charm modes and the hidden charm mode $\chi_{cJ}\rho$ will help distinguish different theoretical schemes.

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