${\boldsymbol {\boldsymbol b}}$ ${\boldsymbol {\overline{\boldsymbol b}}}$ MESONS
(including possibly non- ${\boldsymbol {\boldsymbol q}}$ ${\boldsymbol {\overline{\boldsymbol q}}}$ states)

INSPIRE search

${{\boldsymbol \chi}_{{b1}}{(3P)}}$ $I^G(J^{PC})$ = $0^+(1^{+ +})$

Needs confirmation. 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

Decay Modes

$\Gamma_{1}$

${{\mathit \Upsilon}{(1S)}}{{\mathit \gamma}}$

seen

1000

$\Gamma_{2}$

${{\mathit \Upsilon}{(2S)}}{{\mathit \gamma}}$

seen

479

$\Gamma_{3}$

${{\mathit \Upsilon}{(3S)}}{{\mathit \gamma}}$

seen

157