${{\mathit \eta}{(1405)}}$ MASS

4 ${{\mathit \pi}}$ MODE

INSPIRE   JSON  (beta) PDGID:
M027M3
VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT
• • We do not use the following data for averages, fits, limits, etc. • •
$1420$ $\pm20$
BUGG
1995
MRK3 ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$
$1489$ $\pm12$ 3270 1
BISELLO
1989B
 DM2 ${{\mathit J / \psi}}$ $\rightarrow$ 4 ${{\mathit \pi}}{{\mathit \gamma}}$
1  Estimated by us from various fits.
References