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

# ${{\boldsymbol \chi}_{{b1}}{(2P)}}$ $I^G(J^{PC})$ = $0^+(1^{+ +})$ J need confirmation.

Observed in radiative decay of the ${{\mathit \Upsilon}{(3S)}}$, therefore ${}^{C} = +$. Branching ratio requires E1 transition, M1 is strongly disfavored, therefore ${}^{P} = +$.
 ${{\mathit \chi}_{{b1}}{(2P)}}$ MASS $10255.46 \pm0.22 \pm0.50$ MeV
 ${\mathit m}_{{{\mathit \chi}_{{b1}}{(2P)}}}–{\mathit m}_{{{\mathit \chi}_{{b0}}{(2P)}}}$ $23.5 \pm1.0$ MeV
 ${{\mathit \gamma}}$ ENERGY IN ${{\mathit \Upsilon}{(3S)}}$ DECAY $99.26 \pm0.22$ MeV
 B( ${{\mathit \chi}_{{b1}}{(2P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \Upsilon}{(1S)}}$ ) ${\times }$ B( ${{\mathit \Upsilon}{(3S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{b1}}{(2P)}}$ ) ${\times }$ B( ${{\mathit \Upsilon}{(1S)}}$ $\rightarrow$ ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}$ ) $(2.9 \pm0.4) \times 10^{-4}$  (S = 1.9)
 B( ${{\mathit \chi}_{{b1}}{(2P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \Upsilon}{(2S)}}$ ) ${\times }$ B( ${{\mathit \Upsilon}{(3S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{b1}}{(2P)}}$ ) ${\times }$ B( ${{\mathit \Upsilon}{(2S)}}$ $\rightarrow$ ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}$ ) $(3.8 \pm0.6) \times 10^{-4}$  (S = 1.8)
 B( ${{\mathit \chi}_{{b1}}{(2P)}}$ $\rightarrow$ ${{\mathit \chi}_{{b1}}{(1P)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ ) ${\times }$ B( ${{\mathit \Upsilon}{(3S)}}$ $\rightarrow$ ${{\mathit \chi}_{{b1}}{(2P)}}{{\mathit X}}$ ) $0.00116 \pm0.00014$
 B( ${{\mathit \chi}_{{b2}}{(2P)}}$ $\rightarrow$ ${{\mathit p}}{{\mathit X}}{+}$ ${{\overline{\mathit p}}}{{\mathit X}}$ )/B( ${{\mathit \chi}_{{b1}}{(2P)}}$ $\rightarrow$ ${{\mathit p}}{{\mathit X}}{+}$ ${{\overline{\mathit p}}}{{\mathit X}}$ ) $1.11 \pm0.04$
 B( ${{\mathit \chi}_{{b0}}{(2P)}}$ $\rightarrow$ ${{\mathit p}}{{\mathit X}}{+}$ ${{\overline{\mathit p}}}{{\mathit X}}$ )/B( ${{\mathit \chi}_{{b1}}{(2P)}}$ $\rightarrow$ ${{\mathit p}}{{\mathit X}}{+}$ ${{\overline{\mathit p}}}{{\mathit X}}$ ) $1.08 \pm0.07$