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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: M052

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

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${{\mathit \Upsilon}{(2S)}}$ MASS $10023.4$ $\pm0.5$ MeV

${\mathit m}_{{{\mathit \Upsilon}{(2S)}}}-{\mathit m}_{{{\mathit \Upsilon}{(1S)}}}$ $562.81$ $\pm0.11$ MeV

${{\mathit \Upsilon}{(2S)}}$ WIDTH $31.98$ $\pm2.63$ keV

▸  exp ${{\mathit \Upsilon}{(2S)}}$ Cross-Particle Branching Ratios

B(${{\mathit \Upsilon}{(2S)}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$) ${\times }$ B(${{\mathit \Upsilon}{(3S)}}$ $\rightarrow$ ${{\mathit \Upsilon}{(2S)}}{{\mathit X}}$) $0.0178$ $\pm0.0011$

${{\mathit \Upsilon}{(2S)}}$ DECAY MODES

Mode   Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/ Conf. Level P(MeV/c)   $\Gamma_{1}$ ${{\mathit \Upsilon}{(1S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ ($17.85$ $\pm0.26$ ) $\%$ 475   $\Gamma_{2}$ ${{\mathit \Upsilon}{(1S)}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ ($8.6$ $\pm0.4$ ) $\%$ 480   $\Gamma_{3}$ ${{\mathit \tau}^{+}}{{\mathit \tau}^{-}}$ ($2.00$ $\pm0.21$ ) $\%$ 4686   $\Gamma_{4}$ ${{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ ($1.93$ $\pm0.17$ ) $\%$ S=2.2  5011   $\Gamma_{5}$ ${{\mathit e}^{+}}{{\mathit e}^{-}}$ ($1.91$ $\pm0.16$ ) $\%$ 5012   $\Gamma_{6}$ ${{\mathit \Upsilon}{(1S)}}{{\mathit \pi}^{0}}$ $<4$ $\times 10^{-5}$ CL=90% 531   $\Gamma_{7}$ ${{\mathit \Upsilon}{(1S)}}{{\mathit \eta}}$ ($2.9$ $\pm0.4$) $ \times 10^{-4}$ S=2.0  126   $\Gamma_{8}$ ${{\mathit J / \psi}{(1S)}}$ anything $<6$ $\times 10^{-3}$ CL=90% 4533   $\Gamma_{9}$ ${{\mathit J / \psi}{(1S)}}{{\mathit \eta}_{{{c}}}}$ $<5.4$ $\times 10^{-6}$ CL=90% 3984   $\Gamma_{10}$ ${{\mathit J / \psi}{(1S)}}{{\mathit \chi}_{{{c0}}}}$ $<3.4$ $\times 10^{-6}$ CL=90% 3808   $\Gamma_{11}$ ${{\mathit J / \psi}{(1S)}}{{\mathit \chi}_{{{c1}}}}$ $<1.2$ $\times 10^{-6}$ CL=90% 3765   $\Gamma_{12}$ ${{\mathit J / \psi}{(1S)}}{{\mathit \chi}_{{{c2}}}}$ $<2.0$ $\times 10^{-6}$ CL=90% 3745   $\Gamma_{13}$ ${{\mathit J / \psi}{(1S)}}{{\mathit \eta}_{{{c}}}{(2S)}}$ $<2.5$ $\times 10^{-6}$ CL=90% 3706   $\Gamma_{14}$ ${{\mathit J / \psi}{(1S)}}{{\mathit X}{(3940)}}$ $<2.0$ $\times 10^{-6}$ CL=90% 3555   $\Gamma_{15}$ ${{\mathit J / \psi}{(1S)}}{{\mathit X}{(4160)}}$ $<2.0$ $\times 10^{-6}$ CL=90% 3442   $\Gamma_{16}$ ${{\mathit \chi}_{{{c1}}}}$ anything ($2.2$ $\pm0.5$) $ \times 10^{-4}$     $\Gamma_{17}$ ${{\mathit \chi}_{{{c1}}}{(1P)}^{0}}{{\mathit X}_{{{tetra}}}}$ $<3.67$ $\times 10^{-5}$ CL=90%     $\Gamma_{18}$ ${{\mathit \chi}_{{{c2}}}}$ anything ($2.3$ $\pm0.8$) $ \times 10^{-4}$     $\Gamma_{19}$ ${{\mathit \psi}{(2S)}}{{\mathit \eta}_{{{c}}}}$ $<5.1$ $\times 10^{-6}$ CL=90% 3732   $\Gamma_{20}$ ${{\mathit \psi}{(2S)}}{{\mathit \chi}_{{{c0}}}}$ $<4.7$ $\times 10^{-6}$ CL=90% 3536   $\Gamma_{21}$ ${{\mathit \psi}{(2S)}}{{\mathit \chi}_{{{c1}}}}$ $<2.5$ $\times 10^{-6}$ CL=90% 3488   $\Gamma_{22}$ ${{\mathit \psi}{(2S)}}{{\mathit \chi}_{{{c2}}}}$ $<1.9$ $\times 10^{-6}$ CL=90% 3464   $\Gamma_{23}$ ${{\mathit \psi}{(2S)}}{{\mathit \eta}_{{{c}}}{(2S)}}$ $<3.3$ $\times 10^{-6}$ CL=90% 3422   $\Gamma_{24}$ ${{\mathit \psi}{(2S)}}{{\mathit X}{(3940)}}$ $<3.9$ $\times 10^{-6}$ CL=90% 3250   $\Gamma_{25}$ ${{\mathit \psi}{(2S)}}{{\mathit X}{(4160)}}$ $<3.9$ $\times 10^{-6}$ CL=90% 3120   $\Gamma_{26}$ ${{\mathit T}_{{{c {{\overline{\mathit c}}} 1}}}{(3900)}^{+}}{{\mathit T}_{{{c {{\overline{\mathit c}}} 1}}}{(3900)}^{-}}$ $<1.0$ $\times 10^{-6}$ CL=90%     $\Gamma_{27}$ ${{\mathit T}_{{{c {{\overline{\mathit c}}} 1}}}{(4200)}^{+}}{{\mathit T}_{{{c {{\overline{\mathit c}}} 1}}}{(4200)}^{-}}$ $<1.67$ $\times 10^{-5}$ CL=90%     $\Gamma_{28}$ ${{\mathit T}_{{{c {{\overline{\mathit c}}} 1}}}{(3900)}^{\pm}}{{\mathit T}_{{{c {{\overline{\mathit c}}} 1}}}{(4200)}^{\mp}}$ $<7.3$ $\times 10^{-6}$ CL=90%     $\Gamma_{29}$ ${{\mathit T}_{{{c {{\overline{\mathit c}}}}}}{(4050)}^{+}}{{\mathit T}_{{{c {{\overline{\mathit c}}}}}}{(4050)}^{-}}$ $<1.35$ $\times 10^{-5}$ CL=90%     $\Gamma_{30}$ ${{\mathit T}_{{{c {{\overline{\mathit c}}}}}}{(4250)}^{+}}{{\mathit T}_{{{c {{\overline{\mathit c}}}}}}{(4250)}^{-}}$ $<2.67$ $\times 10^{-5}$ CL=90%     $\Gamma_{31}$ ${{\mathit T}_{{{c {{\overline{\mathit c}}}}}}{(4050)}^{\pm}}{{\mathit T}_{{{c {{\overline{\mathit c}}}}}}{(4250)}^{\mp}}$ $<2.72$ $\times 10^{-5}$ CL=90%     $\Gamma_{32}$ ${{\mathit T}_{{{c {{\overline{\mathit c}}} 1}}}{(4430)}^{+}}{{\mathit T}_{{{c {{\overline{\mathit c}}} 1}}}{(4430)}^{-}}$ $<2.03$ $\times 10^{-5}$ CL=90%     $\Gamma_{33}$ ${{\mathit T}_{{{c {{\overline{\mathit c}}}}}}{(4055)}^{\pm}}{{\mathit T}_{{{c {{\overline{\mathit c}}}}}}{(4055)}^{\mp}}$ $<1.11$ $\times 10^{-5}$ CL=90%     $\Gamma_{34}$ ${{\mathit T}_{{{c {{\overline{\mathit c}}}}}}{(4055)}^{\pm}}{{\mathit T}_{{{c {{\overline{\mathit c}}} 1}}}{(4430)}^{\mp}}$ $<2.11$ $\times 10^{-5}$ CL=90%     $\Gamma_{35}$ $\overline{^2H}$ anything ($2.78^{+0.30}_{-0.26}$) $ \times 10^{-5}$ S=1.2      $\Gamma_{36}$ hadrons ($94$ $\pm11$ ) $\%$     $\Gamma_{37}$ ${{\mathit g}}{{\mathit g}}{{\mathit g}}$ ($58.8$ $\pm1.2$ ) $\%$     $\Gamma_{38}$ ${{\mathit \gamma}}{{\mathit g}}{{\mathit g}}$ ($1.87$ $\pm0.28$ ) $\%$     $\Gamma_{39}$ ${{\mathit \phi}}{{\mathit K}^{+}}{{\mathit K}^{-}}$ ($1.6$ $\pm0.4$) $ \times 10^{-6}$ 4910   $\Gamma_{40}$ ${{\mathit \omega}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $<2.58$ $\times 10^{-6}$ CL=90% 4977   $\Gamma_{41}$ ${{\mathit K}^{*}{(892)}^{0}}{{\mathit K}^{-}}{{\mathit \pi}^{+}}$ + c.c. ($2.3$ $\pm0.7$) $ \times 10^{-6}$ 4952   $\Gamma_{42}$ ${{\mathit \phi}}{{\mathit f}_{{{2}}}^{\,'}{(1525)}}$ $<1.33$ $\times 10^{-6}$ CL=90% 4843   $\Gamma_{43}$ ${{\mathit \omega}}{{\mathit f}_{{{2}}}{(1270)}}$ $<5.7$ $\times 10^{-7}$ CL=90% 4899   $\Gamma_{44}$ ${{\mathit \rho}{(770)}}{{\mathit a}_{{{2}}}{(1320)}}$ $<8.8$ $\times 10^{-7}$ CL=90% 4894   $\Gamma_{45}$ ${{\mathit K}^{*}{(892)}^{0}}{{\overline{\mathit K}}_{{{2}}}^{*}{(1430)}^{0}}$ + c.c. ($1.5$ $\pm0.6$) $ \times 10^{-6}$ 4869   $\Gamma_{46}$ ${{\mathit K}_{{{1}}}{(1270)}^{\pm}}{{\mathit K}^{\mp}}$ $<3.22$ $\times 10^{-6}$ CL=90% 4921   $\Gamma_{47}$ ${{\mathit K}_{{{1}}}{(1400)}^{\pm}}{{\mathit K}^{\mp}}$ $<8.3$ $\times 10^{-7}$ CL=90% 4901   $\Gamma_{48}$ ${{\mathit b}_{{{1}}}{(1235)}^{\pm}}{{\mathit \pi}^{\mp}}$ $<4.0$ $\times 10^{-7}$ CL=90% 4935   $\Gamma_{49}$ ${{\mathit \rho}}{{\mathit \pi}}$ $<1.16$ $\times 10^{-6}$ CL=90% 4981   $\Gamma_{50}$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$ $<8.0$ $\times 10^{-7}$ CL=90% 5007   $\Gamma_{51}$ ${{\mathit \omega}}{{\mathit \pi}^{0}}$ $<1.63$ $\times 10^{-6}$ CL=90% 4980   $\Gamma_{52}$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}{{\mathit \pi}^{0}}$ ($1.30$ $\pm0.28$) $ \times 10^{-5}$ 5002   $\Gamma_{53}$ ${{\mathit K}_S^0}$ ${{\mathit K}^{+}}{{\mathit \pi}^{-}}$ + c.c. ($1.14$ $\pm0.33$) $ \times 10^{-6}$ 4979   $\Gamma_{54}$ ${{\mathit K}^{*}{(892)}^{0}}{{\overline{\mathit K}}^{0}}$ + c.c. $<4.22$ $\times 10^{-6}$ CL=90% 4959   $\Gamma_{55}$ ${{\mathit K}^{*}{(892)}^{-}}{{\mathit K}^{+}}$ + c.c. $<1.45$ $\times 10^{-6}$ CL=90% 4960   $\Gamma_{56}$ ${{\mathit f}_{{{1}}}{(1285)}}$ anything ($2.2$ $\pm1.6$) $ \times 10^{-3}$     $\Gamma_{57}$ ${{\mathit f}_{{{1}}}{(1285)}}{{\mathit X}_{{{tetra}}}}$ $<6.47$ $\times 10^{-5}$ CL=90%     $\Gamma_{58}$ ${{\mathit D}_{{{s}}}^{+}}{{\mathit D}_{{{s1}}}{(2536)}^{-}}$ 4470   $\Gamma_{59}$ ${{\mathit D}_{{{s}}}^{+}}{{\mathit D}_{{{s1}}}{(2536)}^{-}}$ , ${{\mathit D}_{{{s1}}}^{-}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit D}^{*}{(2007)}^{0}}$ ($1.6$ $\pm0.4$) $ \times 10^{-5}$     $\Gamma_{60}$ ${{\mathit D}_{{{s}}}^{+}}{{\mathit D}_{{{s1}}}{(2536)}^{-}}$ , ${{\mathit D}_{{{s1}}}^{-}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit D}^{*}{(2010)}^{-}}$ ($8.4$ $\pm2.3$) $ \times 10^{-6}$     $\Gamma_{61}$ ${{\mathit D}_{{{s}}}^{*+}}{{\mathit D}_{{{s1}}}{(2536)}^{-}}$ 4437   $\Gamma_{62}$ ${{\mathit D}_{{{s}}}^{*+}}{{\mathit D}_{{{s1}}}{(2536)}^{-}}$ , ${{\mathit D}_{{{s1}}}^{-}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit D}^{*}{(2007)}^{0}}$ ($1.4$ $\pm0.4$) $ \times 10^{-5}$     $\Gamma_{63}$ ${{\mathit D}_{{{s}}}^{*+}}{{\mathit D}_{{{s1}}}{(2536)}^{-}}$ , ${{\mathit D}_{{{s1}}}^{-}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit D}^{*}{(2010)}^{-}}$ ($8.2$ $\pm3.1$) $ \times 10^{-6}$     $\Gamma_{64}$ ${{\mathit D}_{{{s}}}^{+}}{{\mathit D}_{{{s2}}}^{*}{(2573)}^{-}}$     $\Gamma_{65}$ ${{\mathit D}_{{{s}}}^{+}}{{\mathit D}_{{{s2}}}^{*}{(2573)}^{-}}$ , ${{\mathit D}_{{{s2}}}^{*-}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit D}^{0}}$ ($1.4$ $\pm0.4$) $ \times 10^{-5}$     $\Gamma_{66}$ ${{\mathit D}_{{{s}}}^{+}}{{\mathit D}_{{{s2}}}^{*}{(2573)}^{-}}$ , ${{\mathit D}_{{{s2}}}^{*-}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit D}^{-}}$ ($6.9$ $\pm3.0$) $ \times 10^{-6}$     $\Gamma_{67}$ ${{\mathit D}_{{{s}}}^{*+}}{{\mathit D}_{{{s2}}}^{*}{(2573)}^{-}}$     $\Gamma_{68}$ ${{\mathit D}_{{{s}}}^{*+}}{{\mathit D}_{{{s2}}}^{*}{(2573)}^{-}}$ , ${{\mathit D}_{{{s2}}}^{*-}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit D}^{0}}$ ($9$ $\pm5$) $ \times 10^{-6}$     $\Gamma_{69}$ ${{\mathit D}_{{{s}}}^{*+}}{{\mathit D}_{{{s2}}}^{*}{(2573)}^{-}}$ , ${{\mathit D}_{{{s2}}}^{*-}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit D}^{-}}$ ($5$ $\pm6$) $ \times 10^{-6}$     $\Gamma_{70}$ Sum of 100 exclusive modes ($2.90$ $\pm0.30$) $ \times 10^{-3}$     ▸  exp Radiative decays $\Gamma_{71}$ ${{\mathit \gamma}}{{\mathit \chi}_{{{b1}}}{(1P)}}$ ($6.9$ $\pm0.4$ ) $\%$ 130   $\Gamma_{72}$ ${{\mathit \gamma}}{{\mathit \chi}_{{{b2}}}{(1P)}}$ ($7.15$ $\pm0.35$ ) $\%$ 111   $\Gamma_{73}$ ${{\mathit \gamma}}{{\mathit \chi}_{{{b0}}}{(1P)}}$ ($3.8$ $\pm0.4$ ) $\%$ 163   $\Gamma_{74}$ ${{\mathit \gamma}}{{\mathit f}_{{{0}}}{(1710)}}$ $<5.9$ $\times 10^{-4}$ CL=90% 4862   $\Gamma_{75}$ ${{\mathit \gamma}}{{\mathit f}_{{{2}}}^{\,'}{(1525)}}$ $<5.3$ $\times 10^{-4}$ CL=90% 4897   $\Gamma_{76}$ ${{\mathit \gamma}}{{\mathit f}_{{{2}}}{(1270)}}$ $<2.41$ $\times 10^{-4}$ CL=90% 4931   $\Gamma_{77}$ ${{\mathit \gamma}}{{\mathit f}_{{{J}}}{(2220)}}$ 4763   $\Gamma_{78}$ ${{\mathit \gamma}}{{\mathit \eta}_{{{c}}}{(1S)}}$ $<2.7$ $\times 10^{-5}$ CL=90% 4568   $\Gamma_{79}$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}}$ $<1.0$ $\times 10^{-4}$ CL=90% 4430   $\Gamma_{80}$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c1}}}}$ $<3.6$ $\times 10^{-6}$ CL=90% 4397   $\Gamma_{81}$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c2}}}}$ $<1.5$ $\times 10^{-5}$ CL=90% 4381   $\Gamma_{82}$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c1}}}{(3872)}}$ $<1.8$ $\times 10^{-5}$ CL=90% 4264   $\Gamma_{83}$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c1}}}{(3872)}}$ , ${{\mathit \chi}_{{{c1}}}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}{{\mathit J / \psi}}$ $<2.4$ $\times 10^{-6}$ CL=90%     $\Gamma_{84}$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c0}}}{(3915)}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit J / \psi}}$ $<2.8$ $\times 10^{-6}$ CL=90%     $\Gamma_{85}$ ${{\mathit \gamma}}{{\mathit \chi}_{{{c1}}}{(4140)}}$ $\rightarrow$ ${{\mathit \phi}}{{\mathit J / \psi}}$ $<1.2$ $\times 10^{-6}$ CL=90%     $\Gamma_{86}$ ${{\mathit \gamma}}{{\mathit X}{(4350)}}$ $\rightarrow$ ${{\mathit \phi}}{{\mathit J / \psi}}$ $<1.3$ $\times 10^{-6}$ CL=90%     $\Gamma_{87}$ ${{\mathit \gamma}}{{\mathit \eta}_{{{b}}}{(1S)}}$ ($5.5^{+1.1}_{-0.9}$) $ \times 10^{-4}$ S=1.2  605   $\Gamma_{88}$ ${{\mathit \gamma}}{{\mathit \eta}_{{{b}}}{(1S)}}$ $\rightarrow$ ${{\mathit \gamma}}$ Sum of 26 exclusive modes $<3.7$ $\times 10^{-6}$ CL=90%     $\Gamma_{89}$ ${{\mathit \gamma}}{{\mathit X}}$ $_{{{\mathit b}} {{\overline{\mathit b}}}}$ $\rightarrow$ ${{\mathit \gamma}}$ Sum of 26 exclusive modes $<4.9$ $\times 10^{-6}$ CL=90%     $\Gamma_{90}$ ${{\mathit \gamma}}{{\mathit X}}$ $\rightarrow$ ${{\mathit \gamma}}$ +${}\geq{}$4 prongs [1] $<1.95$ $\times 10^{-4}$ CL=95%     $\Gamma_{91}$ ${{\mathit \gamma}}{{\mathit A}^{0}}$ $\rightarrow$ ${{\mathit \gamma}}$ hadrons $<8$ $\times 10^{-5}$ CL=90%     $\Gamma_{92}$ ${{\mathit \gamma}}{{\mathit A}^{0}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ $<8.3$ $\times 10^{-6}$ CL=90%     ▸  exp Lepton Family number ($\mathit LF$) violating modes $\Gamma_{93}$ ${{\mathit e}^{\pm}}{{\mathit \tau}^{\mp}}$ LF $<1.12$ $\times 10^{-6}$ CL=90% 4854   $\Gamma_{94}$ ${{\mathit \mu}^{\pm}}{{\mathit \tau}^{\mp}}$ LF $<2.3$ $\times 10^{-7}$ CL=90% 4854

[1] 1.5 GeV $<$ ${\mathit m}_{{{\mathit X}}}<$ 5.0 GeV

Constrained Fit information