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

${{\boldsymbol \psi}{(4415)}}$ $I^G(J^{PC})$ = $0^-(1^{- -})$

 ${{\mathit \psi}{(4415)}}$ MASS $4421 \pm4$ MeV
 ${{\mathit \psi}{(4415)}}$ WIDTH $62 \pm20$ MeV
Due to the complexity of the ${{\mathit c}}{{\overline{\mathit c}}}$ threshold region, in this listing, seen'' (not seen'') means that a cross section for the mode in question has been measured at effective $\sqrt {s }$ near this particle's central mass value, more (less) than 2${{\mathit \sigma}}$ above zero, without regard to any peaking behavior in $\sqrt {s }$ or absence thereof. See mode listing(s) for details and references.