Known decays of Upsilon_1(1D)

(Only the first generation of decays, no cascades)

Final state Branching
$\Upsilon^{}_{1}(1D)$ $\to$ $\Upsilon^{}_{}(1S)$ $\pi^{+}_{}$ $\pi^{-}_{}$ 1.4e-3
$\Upsilon^{}_{1}(1D)$ $\to$ $\Upsilon^{}_{}(1S)$ $\pi^{0}_{}$ $\pi^{0}_{}$ 7.0e-4
$\Upsilon^{}_{1}(1D)$ $\to$ $\chi^{}_{b0}(1P)$ $\gamma^{}_{}$ 6.0e-1
$\Upsilon^{}_{1}(1D)$ $\to$ $\chi^{}_{b1}(1P)$ $\gamma^{}_{}$ 3.1e-1
$\Upsilon^{}_{1}(1D)$ $\to$ $\chi^{}_{b2}(1P)$ $\gamma^{}_{}$ 2.6e-2
$\Upsilon^{}_{1}(1D)$ $\to$ $g^{}_{}$ $g^{}_{}$ $g^{}_{}$ 5.1e-2