${\boldsymbol m}_{{{\boldsymbol \chi}_{{b2}}{(1P)}}}–{\boldsymbol m}_{{{\boldsymbol \chi}_{{b1}}{(1P)}}}$ INSPIRE search

VALUE (MeV) DOCUMENT ID TECN  COMMENT
$\bf{ 19.10 \pm0.25}$ OUR AVERAGE  Error includes scale factor of 1.1.
$19.81$ $\pm0.65$ $\pm0.20$ 1
AAIJ
2014BG
LHCB ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \mu}^{+}}{{\mathit \mu}^{-}}{{\mathit X}}$
$19.01$ $\pm0.24$
LEES
2014M
BABR ${{\mathit \Upsilon}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \gamma}}{{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$
1  From the ${{\mathit \chi}_{{bj}}{(1P)}}$ $\rightarrow$ ${{\mathit \Upsilon}{(1S)}}{{\mathit \gamma}}$ transition.
  References:
AAIJ 2014BG
JHEP 1410 088 Measurement of the ${{\mathit \chi}_{{b}}{(3P)}}$ Mass and of the Relative Rate of ${{\mathit \chi}_{{b1}}{(1P)}}$ and ${{\mathit \chi}_{{b2}}{(1P)}}$ Production
LEES 2014M
PR D90 112010 Bottomonium Spectroscopy and Radiative Transitions Involving the ${{\mathit \chi}_{{bJ}}{(1P,2P)}}$ States at BABAR