pdgLive Home   >   ${\mathit {\mathit b}}{\mathit {\overline{\mathit b}}}$ MESONS (including possibly non-${\mathit {\mathit q}}{\mathit {\overline{\mathit q}}}$ states)   >   ${{\mathit \chi}_{{{b1}}}{(2P)}}$   >   ${\mathit m}_{{{\mathit \chi}_{{{b1}}}{(2P)}}}–{\mathit m}_{{{\mathit \chi}_{{{b0}}}{(2P)}}}$

${\mathit m}_{{{\mathit \chi}_{{{b1}}}{(2P)}}}–{\mathit m}_{{{\mathit \chi}_{{{b0}}}{(2P)}}}$

INSPIRE   PDGID:

M080M2

VALUE (MeV) DOCUMENT ID TECN  COMMENT $23.5$ $\pm0.7$ $\pm0.7$ 1 HEINTZ 1992 CSB2 ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \gamma}}$ X, ${{\mathit \ell}^{+}}{{\mathit \ell}^{-}}{{\mathit \gamma}}{{\mathit \gamma}}$ 1  From the average photon energy for inclusive and exclusive events. Supersedes NARAIN 1991.

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