${\mathit {\mathit b}}$ ${\mathit {\overline{\mathit b}}}$ MESONS
(including possibly non-${\mathit {\mathit q}}$ ${\mathit {\overline{\mathit q}}}$ states)
INSPIRE   JSON PDGID:
M206

${{\mathit \chi}_{{{b1}}}{(3P)}}$

$I^G(J^{PC})$ = $0^+(1^{+ +})$ 
Observed in the radiative decay to ${{\mathit \Upsilon}{(1S,2S,3S)}}$, therefore ${}^{C} = +$. $\mathit J$ needs confirmation.
${{\mathit \chi}_{{{b1}}}{(3P)}}$ MASS   $10513.4 \pm0.7$ MeV 
 
$\Gamma_{1}$ ${{\mathit \Upsilon}{(1S)}}{{\mathit \gamma}}$   seen 1000
 
$\Gamma_{2}$ ${{\mathit \Upsilon}{(2S)}}{{\mathit \gamma}}$   seen 479
 
$\Gamma_{3}$ ${{\mathit \Upsilon}{(3S)}}{{\mathit \gamma}}$   seen 157
 
FOOTNOTES