pdgLive Home   >   ${\mathit {\mathit b}}{\mathit {\overline{\mathit b}}}$ MESONS (including possibly non-${\mathit {\mathit q}}{\mathit {\overline{\mathit q}}}$ states)   >   ${{\mathit \chi}_{{{b0}}}{(2P)}}$   >   [B( ${{\mathit \chi}_{{{b0}}}{(2P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \Upsilon}{(1S)}}$ ) ${\times }$ B( ${{\mathit \Upsilon}{(3S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{b0}}}{(2P)}}$ )] $/$ [B( ${{\mathit \chi}_{{{b1}}}{(2P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \Upsilon}{(1S)}}$ ) ${\times }$ B( ${{\mathit \Upsilon}{(3S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{b1}}}{(2P)}}$ )]

${{\mathit \chi}_{{{b0}}}{(2P)}}$ BRANCHING RATIOS

[B( ${{\mathit \chi}_{{{b0}}}{(2P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \Upsilon}{(1S)}}$ ) ${\times }$ B( ${{\mathit \Upsilon}{(3S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{b0}}}{(2P)}}$ )] $/$ [B( ${{\mathit \chi}_{{{b1}}}{(2P)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \Upsilon}{(1S)}}$ ) ${\times }$ B( ${{\mathit \Upsilon}{(3S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \chi}_{{{b1}}}{(2P)}}$ )]

INSPIRE   PDGID:

M079A00

VALUE (%) DOCUMENT ID TECN  COMMENT $1.71$ $\pm0.80$ 1 LEES 2014 M BABR ${{\mathit \Upsilon}{(3S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}{{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ 1  From a sample of ${{\mathit \Upsilon}{(3S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}{{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$ without converted photons.

References:

LEES 2014M PR D90 112010 Bottomonium Spectroscopy and Radiative Transitions Involving the ${{\mathit \chi}_{{{bJ}}}{(1P,2P)}}$ States at BABAR

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