${\mathit {\mathit b}}$ ${\mathit {\overline{\mathit b}}}$ MESONS(including possibly non- ${\mathit {\mathit q}}$ ${\mathit {\overline{\mathit q}}}$ states) INSPIRE search

#### ${{\boldsymbol h}_{{b}}{(2P)}}$

$I^G(J^{PC})$ = $0^-(1^{+ -})$
Quantum numbers are quark model predictions. $\mathit C$ = $−$ established by ${{\mathit \eta}_{{b}}}{{\mathit \gamma}}$ decay.
 $\Gamma_{1}$ hadrons not seen
 $\Gamma_{2}$ ${{\mathit \eta}_{{b}}{(1S)}}{{\mathit \gamma}}$ $(22\pm{5})\%$ 825
 $\Gamma_{3}$ ${{\mathit \eta}_{{b}}{(2S)}}{{\mathit \gamma}}$ $(48\pm{13})\%$ 257
 FOOTNOTES