${\boldsymbol m}_{{{\boldsymbol \Upsilon}{(3S)}}}–{\boldsymbol m}_{{{\boldsymbol \Upsilon}{(2S)}}}$ INSPIRE search

VALUE (MeV) DOCUMENT ID TECN  COMMENT
$331.50$ $\pm0.02$ $\pm0.13$
LEES
2011C
 BABR ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit X}}$
  References:
LEES 2011C
PR D84 011104 Study of Dipion Bottomonium Transitions and Search for the ${{\mathit h}_{{b}}{(1P)}}$ State