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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: M047

${{\mathit \Upsilon}{(4S)}}$ $I^G(J^{PC})$ = $0^-(1^{- -})$

also known as ${{\mathit \Upsilon}{(10580)}}$

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${{\mathit \Upsilon}{(4S)}}$ MASS $10579.4$ $\pm1.2$ MeV

${{\mathit \Upsilon}{(4S)}}$ WIDTH $20.5$ $\pm2.5$ MeV

${{\mathit \Upsilon}{(4S)}}$ DECAY MODES

Mode   Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/ Conf. Level P(MeV/c)   $\Gamma_{1}$ ${{\mathit B}}{{\overline{\mathit B}}}$ >96 $\%$ CL=95% 326   $\Gamma_{2}$ ${{\mathit B}^{+}}{{\mathit B}^{-}}$ ($51.4$ $\pm0.6$ ) $\%$ 331   $\Gamma_{3}$ ${{\mathit D}_{{{s}}}^{+}}$ anything ${+}$ c.c. ($17.8$ $\pm2.6$ ) $\%$     $\Gamma_{4}$ ${{\mathit B}^{0}}{{\overline{\mathit B}}^{0}}$ ($48.6$ $\pm0.6$ ) $\%$ 326   $\Gamma_{5}$ ${{\mathit J / \psi}}{{\mathit K}_S^0}$ ${+}$ ( ${{\mathit J / \psi}}$ , ${{\mathit \eta}_{{{c}}}}$) ${{\mathit K}_S^0}$ $<4$ $\times 10^{-7}$ CL=90%     $\Gamma_{6}$ non-${{\mathit B}}{{\overline{\mathit B}}}$ <4 $\%$ CL=95%     $\Gamma_{7}$ ${{\mathit e}^{+}}{{\mathit e}^{-}}$ ($1.57$ $\pm0.08$) $ \times 10^{-5}$ 5290   $\Gamma_{8}$ ${{\mathit \rho}^{+}}{{\mathit \rho}^{-}}$ $<5.7$ $\times 10^{-6}$ CL=90% 5233   $\Gamma_{9}$ ${{\mathit K}^{*}{(892)}^{0}}{{\overline{\mathit K}}^{0}}$ $<2.0$ $\times 10^{-6}$ CL=90% 5240   $\Gamma_{10}$ ${{\mathit J / \psi}{(1S)}}$ anything $<1.9$ $\times 10^{-4}$ CL=95%     $\Gamma_{11}$ ${{\mathit D}^{*+}}$ anything ${+}$ c.c. <7.4 $\%$ CL=90% 5099   $\Gamma_{12}$ ${{\mathit \phi}}$ anything ($7.1$ $\pm0.6$ ) $\%$ 5240   $\Gamma_{13}$ ${{\mathit \phi}}{{\mathit \eta}}$ $<1.8$ $\times 10^{-6}$ CL=90% 5226   $\Gamma_{14}$ ${{\mathit \phi}}{{\mathit \eta}^{\,'}}$ $<4.3$ $\times 10^{-6}$ CL=90% 5196   $\Gamma_{15}$ ${{\mathit \rho}}{{\mathit \eta}}$ $<1.3$ $\times 10^{-6}$ CL=90% 5247   $\Gamma_{16}$ ${{\mathit \rho}}{{\mathit \eta}^{\,'}}$ $<2.5$ $\times 10^{-6}$ CL=90% 5217   $\Gamma_{17}$ ${{\mathit \Upsilon}{(1S)}}$ anything $<4$ $\times 10^{-3}$ CL=90% 1053   $\Gamma_{18}$ ${{\mathit \Upsilon}{(1S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ ($8.2$ $\pm0.4$) $ \times 10^{-5}$ 1026   $\Gamma_{19}$ ${{\mathit \Upsilon}{(1S)}}{{\mathit \eta}}$ ($1.81$ $\pm0.18$) $ \times 10^{-4}$ 924   $\Gamma_{20}$ ${{\mathit \Upsilon}{(1S)}}{{\mathit \eta}^{\,'}}$ ($3.4$ $\pm0.9$) $ \times 10^{-5}$     $\Gamma_{21}$ ${{\mathit \Upsilon}{(2S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ ($8.2$ $\pm0.8$) $ \times 10^{-5}$ 468   $\Gamma_{22}$ ${{\mathit h}_{{{b}}}{(1P)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ not seen 600   $\Gamma_{23}$ ${{\mathit h}_{{{b}}}{(1P)}}{{\mathit \eta}}$ ($2.18$ $\pm0.21$) $ \times 10^{-3}$ 390   $\Gamma_{24}$ ${{\mathit \eta}_{{{b}}}{(1S)}}{{\mathit \omega}}$ $<1.8$ $\times 10^{-4}$ CL=90%     $\Gamma_{25}$ $\overline{^2H}$ anything $<1.3$ $\times 10^{-5}$ CL=90%     ▸  exp Double Radiative Decays $\Gamma_{26}$ ${{\mathit \gamma}}{{\mathit \gamma}}{{\mathit \Upsilon}{(D)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}{{\mathit \eta}}{{\mathit \Upsilon}{(1S)}}$ $<2.3$ $\times 10^{-5}$ CL=90%