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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 PDGID: M204

${{\mathit h}_{{{b}}}{(1P)}}$ $I^G(J^{PC})$ = $0^-(1^{+ -})$

Quantum numbers are quark model predictions, $\mathit C$ = $−$ established by ${{\mathit \eta}_{{{b}}}}{{\mathit \gamma}}$ decay.

${{\mathit h}_{{{b}}}{(1P)}}$ MASS $9899.3$ $\pm0.8$ MeV

${{\mathit h}_{{{b}}}{(1P)}}$ DECAY MODES
Mode   Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/ Conf. Level P(MeV/c)   $\Gamma_{1}$ ${{\mathit \eta}_{{{b}}}{(1S)}}{{\mathit \gamma}}$ ($52^{+6}_{-5}$ ) $\%$ 488   $\Gamma_{2}$ ${{\mathit \Upsilon}{(1S)}}{{\mathit \pi}^{0}}$ $<1.8$ $\times 10^{-3}$ CL=90% 408