pdgLive Home   >   ${\mathit {\mathit b}}{\mathit {\overline{\mathit b}}}$ MESONS (including possibly non-${\mathit {\mathit q}}{\mathit {\overline{\mathit q}}}$ states)   >   ${{\mathit Z}_{{b}}{(10650)}}$   >   ${{\mathit Z}_{{b}}{(10650)}}$ MASS

${{\mathit Z}_{{b}}{(10650)}}$ MASS

INSPIRE   PDGID:

M208M

VALUE (MeV) DOCUMENT ID TECN  COMMENT $10652.2$ $\pm1.5$ 1 BONDAR 2012 BELL ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ hadrons • • We do not use the following data for averages, fits, limits, etc. • • $10656.7$ $\pm5.0$ ${}^{+1.1}_{-3.1}$ 2 GARMASH 2015 BELL ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \Upsilon}{(1S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $10650.7$ $\pm1.5$ ${}^{+0.5}_{-0.2}$ 2 GARMASH 2015 BELL ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \Upsilon}{(2S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $10651.2$ $\pm1.0$ ${}^{+0.4}_{-0.3}$ 2 GARMASH 2015 BELL ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \Upsilon}{(3S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $10657$ $\pm6$ $\pm3$ 3 BONDAR 2012 BELL ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \Upsilon}{(1S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $10651$ $\pm2$ $\pm3$ 3 BONDAR 2012 BELL ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \Upsilon}{(2S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $10652$ $\pm1$ $\pm2$ 3 BONDAR 2012 BELL ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \Upsilon}{(3S)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $10654$ $\pm3$ ${}^{+1}_{-2}$ 3 BONDAR 2012 BELL ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit h}_{{b}}{(1P)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $10651$ ${}^{+2}_{-3}$ ${}^{+3}_{-2}$ 3 BONDAR 2012 BELL ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit h}_{{b}}{(2P)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ 1  Average of the BONDAR 2012 measurements in separate channels. 2  Correlated with the corresponding result from BONDAR 2012 . 3  Superseded by the average measurement of BONDAR 2012 .

References:

GARMASH 2015 PR D91 072003 Amplitude Analysis of ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \Upsilon}{(nS)}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ at $\sqrt {s }$ = 10.865 GeV BONDAR 2012 PRL 108 122001 Observation of Two Charged Bottomonium-Like Resonances in ${{\mathit \Upsilon}{(5S)}}$ Decays