${\boldsymbol {\boldsymbol c}}$ ${\boldsymbol {\overline{\boldsymbol c}}}$ MESONS
(including possibly non- ${\boldsymbol {\boldsymbol q}}$ ${\boldsymbol {\overline{\boldsymbol q}}}$ states)
INSPIRE search

${{\boldsymbol Z}_{{c}}{(4200)}}$ $I^G(J^{PC})$ = $1^+(1^{+ -})$


was ${{\mathit X}{(4200)}^{\pm}}$
This state shows properties different from a conventional ${{\mathit q}}{{\overline{\mathit q}}}$ state. A candidate for an exotic structure. See the review on non- ${{\mathit q}}{{\overline{\mathit q}}}$ states. Reported by CHILIKIN 2014 in ${{\mathit J / \psi}}{{\mathit \pi}^{+}}$ at a significance of 6.2$\sigma $. Assignments of $0{}^{-}{}^{}$, $1{}^{-}{}^{}$, $2{}^{-}{}^{}$, and $2{}^{+}{}^{}$ excluded at 6.1$\sigma $, 7.4$\sigma $, 4.4$\sigma $, and 7.0$\sigma $ level, respectively. Needs confirmation.
${{\mathit Z}_{{c}}{(4200)}}$ MASS   $4196 {}^{+35}_{-32}$ MeV 
${{\mathit Z}_{{c}}{(4200)}}$ WIDTH   $370 {}^{+100}_{-150}$ MeV 
$\Gamma_{1}$ ${{\mathit J / \psi}}{{\mathit \pi}^{+}}$ seen947