在当前的实验测量结果背后是否隐藏着psi（3770）非粲衰变中的VP耦合？
Are there the VP couplings in the psi(3770) non-charmed decays hidden behind the current experiment measurements?
摘要：
对$\sqrt{s}$ =3.773 GeV和3.670 GeV的$e^+e^- \to$ VP（矢量和赝标量）通道的全振幅进行了全局分析，结果表明，这些测量结果对于寻找$ψ(3770)$非$D\bar D$衰变本质上是不平凡的。与CLEO-c数据分析中对VP通道的$ψ(3770)$强衰变的几乎否定的结论不同，存在一些不寻常的解，预言了$ψ(3770)$共振的SU（3）对称性VP衰变的显著强度，这为理解$ψ(3770)$非$D\bar D$衰变的机制以及重新解释J/ $ψ$和$ψ(3686)$衰变中著名的$ρ-π$之谜提供了线索.
英文摘要：
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 $ψ(3770)$ non-$D\bar D$ decays. Unlike the nearly negative verdict on the $ψ(3770)$ 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 $ψ(3770)$ resonance, which give some clue to understand the mechanism of $ψ(3770)$ non-$D\bar D$ decays and to reexplain the well-known $ρ-π$ puzzle in the J/$ψ$ and $ψ(3686)$ decays.
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