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

INSPIRE

${{\mathit \Upsilon}{(10753)}}$ $I^G(J^{PC})$ = $?^?(1^{- -})$

A candidate for ${{\mathit \Upsilon}{(3D)}}$ state or an exotic structure. Seen by MIZUK 2019 in ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \Upsilon}{(nS)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ (n=1,2,3) with a significance of 5.2 $\sigma $.

${{\mathit \Upsilon}{(10753)}}$ MASS   $10753 \pm6$ MeV

${{\mathit \Upsilon}{(10753)}}$ WIDTH   $36 {}^{+18}_{-12}$ MeV

${{\mathit \Upsilon}{(10753)}}$ Decay Modes
Mode   Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/ Conf. Level P(MeV/c)   $\Gamma_{1}$ ${{\mathit \Upsilon}{(1S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$   1186   $\Gamma_{2}$ ${{\mathit \Upsilon}{(2S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$   651   $\Gamma_{3}$ ${{\mathit \Upsilon}{(3S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$   278   $\Gamma_{4}$ ${{\mathit e}^{+}}{{\mathit e}^{-}}$   5376
FOOTNOTES