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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: M048

${{\mathit \Upsilon}{(3S)}}$ $I^G(J^{PC})$ = $0^-(1^{- -})$

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${{\mathit \Upsilon}{(3S)}}$ MASS $10355.1$ $\pm0.5$ MeV

${\mathit m}_{{{\mathit \Upsilon}{(3S)}}}-{\mathit m}_{{{\mathit \Upsilon}{(2S)}}}$ $331.82$ $\pm0.08$ MeV (S = 1.9)

${{\mathit \Upsilon}{(3S)}}$ WIDTH $20.32$ $\pm1.85$ keV

${{\mathit \Upsilon}{(3S)}}$ DECAY MODES

Mode   Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/ Conf. Level P(MeV/c)   $\Gamma_{1}$ ${{\mathit \Upsilon}{(2S)}}$ anything ($10.6$ $\pm0.8$ ) $\%$ 296   $\Gamma_{2}$ ${{\mathit \Upsilon}{(2S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ ($2.82$ $\pm0.18$ ) $\%$ S=1.6  176   $\Gamma_{3}$ ${{\mathit \Upsilon}{(2S)}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ ($1.85$ $\pm0.14$ ) $\%$ 190   $\Gamma_{4}$ ${{\mathit \Upsilon}{(2S)}}{{\mathit \gamma}}{{\mathit \gamma}}$ ($5.0$ $\pm0.7$ ) $\%$ 326   $\Gamma_{5}$ ${{\mathit \Upsilon}{(2S)}}{{\mathit \pi}^{0}}$ $<5.1$ $\times 10^{-4}$ CL=90% 298   $\Gamma_{6}$ ${{\mathit \Upsilon}{(1S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ ($4.37$ $\pm0.08$ ) $\%$ 813   $\Gamma_{7}$ ${{\mathit \Upsilon}{(1S)}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ ($2.20$ $\pm0.13$ ) $\%$ 816   $\Gamma_{8}$ ${{\mathit \Upsilon}{(1S)}}{{\mathit \eta}}$ $<1$ $\times 10^{-4}$ CL=90% 677   $\Gamma_{9}$ ${{\mathit \Upsilon}{(1S)}}{{\mathit \pi}^{0}}$ $<7$ $\times 10^{-5}$ CL=90% 846   $\Gamma_{10}$ ${{\mathit h}_{{{b}}}{(1P)}}{{\mathit \pi}^{0}}$ $<1.2$ $\times 10^{-3}$ CL=90% 426   $\Gamma_{11}$ ${{\mathit h}_{{{b}}}{(1P)}}{{\mathit \pi}^{0}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \eta}_{{{b}}}{(1S)}}{{\mathit \pi}^{0}}$ ($4.3$ $\pm1.4$) $ \times 10^{-4}$     $\Gamma_{12}$ ${{\mathit h}_{{{b}}}{(1P)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $<1.2$ $\times 10^{-4}$ CL=90% 352   $\Gamma_{13}$ ${{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$ ($2.29$ $\pm0.30$ ) $\%$ 4863   $\Gamma_{14}$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ ($2.18$ $\pm0.21$ ) $\%$ S=2.1  5176   $\Gamma_{15}$ ${{\mathit e}^{+}}{{\mathit e}^{-}}$ ($2.18$ $\pm0.20$ ) $\%$ 5178   $\Gamma_{16}$ hadrons ($93$ $\pm12$ ) $\%$     $\Gamma_{17}$ ${{\mathit g}}{{\mathit g}}{{\mathit g}}$ ($35.7$ $\pm2.6$ ) $\%$     $\Gamma_{18}$ ${{\mathit \gamma}}{{\mathit g}}{{\mathit g}}$ ($9.7$ $\pm1.8$) $ \times 10^{-3}$     $\Gamma_{19}$ $\overline{^2H}$ anything ($2.33$ $\pm0.33$) $ \times 10^{-5}$     ▸  exp Radiative decays $\Gamma_{20}$ ${{\mathit \gamma}}{{\mathit \chi}_{{{b2}}}{(2P)}}$ ($13.1$ $\pm1.6$ ) $\%$ S=3.4  86   $\Gamma_{21}$ ${{\mathit \gamma}}{{\mathit \chi}_{{{b1}}}{(2P)}}$ ($12.6$ $\pm1.2$ ) $\%$ S=2.4  99   $\Gamma_{22}$ ${{\mathit \gamma}}{{\mathit \chi}_{{{b0}}}{(2P)}}$ ($5.9$ $\pm0.6$ ) $\%$ S=1.4  122   $\Gamma_{23}$ ${{\mathit \gamma}}{{\mathit \chi}_{{{b2}}}{(1P)}}$ ($10.0$ $\pm1.0$) $ \times 10^{-3}$ S=1.7  433   $\Gamma_{24}$ ${{\mathit \gamma}}{{\mathit \chi}_{{{b1}}}{(1P)}}$ ($9$ $\pm5$) $ \times 10^{-4}$ S=1.8  452   $\Gamma_{25}$ ${{\mathit \gamma}}{{\mathit \chi}_{{{b0}}}{(1P)}}$ ($2.7$ $\pm0.4$) $ \times 10^{-3}$ 484   $\Gamma_{26}$ ${{\mathit \gamma}}{{\mathit \eta}_{{{b}}}{(2S)}}$ $<6.2$ $\times 10^{-4}$ CL=90% 350   $\Gamma_{27}$ ${{\mathit \gamma}}{{\mathit \eta}_{{{b}}}{(1S)}}$ ($5.1$ $\pm0.7$) $ \times 10^{-4}$ 912   $\Gamma_{28}$ ${{\mathit \gamma}}{{\mathit A}^{0}}$ $\rightarrow$ ${{\mathit \gamma}}$ hadrons $<8$ $\times 10^{-5}$ CL=90%     $\Gamma_{29}$ ${{\mathit \gamma}}{{\mathit X}}$ $\rightarrow$ ${{\mathit \gamma}}$ +${}\geq{}$4 prongs [1] $<2.2$ $\times 10^{-4}$ CL=95%     $\Gamma_{30}$ ${{\mathit \gamma}}{{\mathit A}^{0}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ $<5.5$ $\times 10^{-6}$ CL=90%     $\Gamma_{31}$ ${{\mathit \gamma}}{{\mathit A}^{0}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$ [2] $<1.6$ $\times 10^{-4}$ CL=90%     ▸  exp Lepton Family number ($\mathit LF$) violating modes $\Gamma_{32}$ ${{\mathit e}^{\pm}}{{\mathit \tau}^{\mp}}$ LF $<4.2$ $\times 10^{-6}$ CL=90% 5025   $\Gamma_{33}$ ${{\mathit e}^{\pm}}{{\mathit \mu}^{\mp}}$ LF $<3.6$ $\times 10^{-7}$ CL=90% 5177   $\Gamma_{34}$ ${{\mathit \mu}^{\pm}}{{\mathit \tau}^{\mp}}$ LF $<3.1$ $\times 10^{-6}$ CL=90% 5025

[1] 1.5 GeV $<$ ${\mathit m}_{{{\mathit X}}}<$ 5.0 GeV [2] For ${\mathit m}_{{{\mathit \tau}^{+}} {{\mathit \tau}^{-}}}$ in the ranges $4.03 - 9.52$ and $9.61 - 10.10$ GeV.