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

# ${{\boldsymbol \Upsilon}{(2S)}}$ $I^G(J^{PC})$ = $0^-(1^{- -})$

 ${{\mathit \Upsilon}{(2S)}}$ MASS $10023.26 \pm0.31$ MeV
 ${\mathit m}_{{{\mathit \Upsilon}{(3S)}}}–{\mathit m}_{{{\mathit \Upsilon}{(2S)}}}$ $331.50 \pm0.13$ MeV
 ${{\mathit \Upsilon}{(2S)}}$ WIDTH $31.98 \pm2.63$ keV
${{\boldsymbol \Upsilon}{(2S)}}$ Cross-Particle Branching Ratios
 B( ${{\mathit \Upsilon}{(2S)}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ ) ${\times }$ B( ${{\mathit \Upsilon}{(3S)}}$ $\rightarrow$ ${{\mathit \Upsilon}{(2S)}}{{\mathit X}}$ ) $0.0178 \pm0.0011$
 constrained fit information