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# Are there the VP couplings in the psi(3770) non-charmed decays hidden behind the current experiment measurements?

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### Abstract

A global analysis of the full amplitudes for $$e^+e^- \to$$ VP (Vector and Pseudoscalar) channels at $$\sqrt{s}$$ =3.773 GeV and 3.670 GeV, which were measured by the CLEO-c Collaboration, shows that those measurements are essentially nontrivial for searching for the $$\psi(3770)$$ non-$$D\bar D$$ decays. Unlike the nearly negative verdict on the $$\psi(3770)$$ strong decays to the VP channels in the original analysis of the CLEO-c data, there exist some unusual solutions that predict the remarkable strength of SU(3) symmetry VP decay of $$\psi(3770)$$ resonance, which give some clue to understand the mechanism of $$\psi(3770)$$ non-$$D\bar D$$ decays and to reexplain the well-known $$\rho-\pi$$ puzzle in the J/$$\psi$$ and $$\psi(3686)$$ decays.

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###### Journal
2008-08-01
2010-01-14
0808.0091