Determination of theGParity and Isospin ofψ(3095)by Study of Multipion Decays

Abstract

We present here a measurement of six branching ratios of $\psi \mathrm{}\left(3095\right)\mathrm{}$ corresponding to the decays $\psi \mathrm{}\left(3095\right)\mathrm{}\to \rho \pi$, $2\left({\pi }^{+}{\pi }^{-}\right)$, $2\left({\pi }^{+}{\pi }^{-}\right)1\mathrm{}{\pi }^0$, $3\left({\pi }^{+}{\pi }^{-}\right)$, $3\left({\pi }^{+}{\pi }^{-}\right)1\mathrm{}{\pi }^0$, and $4\left({\pi }^{+}{\pi }^{-}\right)1\mathrm{}{\pi }^0$. From this study, the isospin and $G$-parity quantum numbers are found to be $I^G=0^{-}$.