Decay of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>ψ</mml:mi><mml:mn/><mml:mo>(</mml:mo><mml:mn>3684</mml:mn><mml:mo>)</mml:mo><mml:mn/></mml:math>into<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>ψ</mml:mi><mml:mn/><mml:mo>(</mml:mo><mml:mn>3095</mml:mn><mml:mo>)</mml:mo><mml:mn/></mml:math>

We observe $\ensuremath{\psi}(3684)$ to decay into $\ensuremath{\psi}(3095)$ with a branching ratio of 0.57 \ifmmode\pm\else\textpm\fi{} 0.08. The branching ratio for the particular decay mode $\ensuremath{\psi}(3095)+{\ensuremath{\pi}}^{+}+{\ensuremath{\pi}}^{\ensuremath{-}}$ is measured to be 0.32 \ifmmode\pm\else\textpm\fi{} 0.04. Remaining decays leading to $\ensuremath{\psi}(3095)$ are largely, but not entirely, accounted for by the mode $\ensuremath{\psi}(3095)+{\ensuremath{\pi}}^{0}+{\ensuremath{\pi}}^{0}$ if the two pions in this decay are in a state of zero isospin.