${\boldsymbol m}_{{{\boldsymbol \chi}_{{b1}}{(2P)}}}–{\boldsymbol m}_{{{\boldsymbol \chi}_{{b0}}{(2P)}}}$ INSPIRE search

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 .
  References:
HEINTZ 1992
PR D46 1928 ${\mathit {\mathit b}}{\mathit {\overline{\mathit b}}}$ Spectroscopy from the ${{\mathit \Upsilon}{(3S)}}$ State