%0 Journal Article %T Reproducing $Z_c(3900)$ through the ISPE mechanism %A Chen %A Dian-Yong %A Liu %A Xiang %A Matsuki %A Takayuki %J High Energy Physics - Phenomenology %D 2013 %I %X Being stimulated by the recent BESIII observation of a charged charmonium-like structure $Z_c(3900)$, in this work we study the distributions of the $J/\psi\pi^\pm$ and $\pi^+\pi^-$ invariant mass spectra of the $Y(4260)\to \pi^+\pi^- J/\psi$ decays by the initial single pion emission (ISPE) mechanism, where the interference effect of ISPE mechanism with other two decay mechanisms is also considered. The obtained $d\Gamma(Y(4260)\to \pi^+\pi^- J/\psi)/dm_{J/\psi \pi^\pm}$ and $d\Gamma(Y(4260)\to \pi^+\pi^- J/\psi)/dm_{\pi^+ \pi^-}$ agree with the BESIII data, especially reproducing the $Z_c(3900)$ structure. %U http://arxiv.org/abs/1304.5845