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

INSPIRE   JSON  (beta) 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

Decay Modes
Mode   Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/ Conf. Level P(MeV/c)   $\Gamma_{1}$ ${{\mathit \Upsilon}{(1S)}}{{\mathit \gamma}}$   seen 1000   $\Gamma_{2}$ ${{\mathit \Upsilon}{(2S)}}{{\mathit \gamma}}$   seen 479   $\Gamma_{3}$ ${{\mathit \Upsilon}{(3S)}}{{\mathit \gamma}}$   seen 157
FOOTNOTES