${\mathit m}_{{{\mathit \chi}_{{{b2}}}{(1P)}}}–{\mathit m}_{{{\mathit \chi}_{{{b1}}}{(1P)}}}$

INSPIRE   JSON  (beta) PDGID:
M078DM2
VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT
$\bf{ 19.17 \pm0.20}$ OUR AVERAGE
$19.4$ $\pm0.4$ 50 1
AAIJ
2024AC
LHCB ${{\mathit \chi}_{{{b}}}{(1P)}}$ $\rightarrow$ ${{\mathit \Upsilon}{(1S)}}{{\mathit \mu}^{+}}{{\mathit \mu}^{-}}$
$19.81$ $\pm0.65$ $\pm0.20$ 2
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  Observed in prompt ${{\mathit p}}{{\mathit p}}$ production.
2  From the ${{\mathit \chi}_{{{bj}}}{(1P)}}$ $\rightarrow$ ${{\mathit \Upsilon}{(1S)}}{{\mathit \gamma}}$ transition.
References