Known decays of Upsilon_3(1D)

(Only the first generation of decays, no cascades)

Final state Branching
$\Upsilon^{}_{3}(1D)$ $\to$ $\Upsilon^{}_{}(1S)$ $\pi^{+}_{}$ $\pi^{-}_{}$ 2.0e-3
$\Upsilon^{}_{3}(1D)$ $\to$ $\Upsilon^{}_{}(1S)$ $\pi^{0}_{}$ $\pi^{0}_{}$ 1.0e-3
$\Upsilon^{}_{3}(1D)$ $\to$ $\chi^{}_{b2}(1P)$ $\gamma^{}_{}$ 9.5e-1
$\Upsilon^{}_{3}(1D)$ $\to$ $g^{}_{}$ $g^{}_{}$ $g^{}_{}$ 4.3e-2