${{\mathit f}_{{{2}}}{(1640)}}$ MASS

INSPIRE   JSON  (beta) PDGID:
M117M
VALUE (MeV) DOCUMENT ID TECN  COMMENT
$\bf{ 1639 \pm6}$ OUR AVERAGE  Error includes scale factor of 1.2.
$1620$ $\pm16$
BUGG
1995
MRK3 ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$
$1647$ $\pm7$
ADAMO
1992
OBLX ${{\overline{\mathit n}}}$ ${{\mathit p}}$ $\rightarrow$ 3 ${{\mathit \pi}^{+}}$2 ${{\mathit \pi}^{-}}$
$1635$ $\pm7$
ALDE
1990
GAM2 38 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit \omega}}{{\mathit n}}$
• • We do not use the following data for averages, fits, limits, etc. • •
$1640$ $\pm5$
AMSLER
2006
CBAR 0.9 ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{0}}$
$1659$ $\pm6$
VLADIMIRSKY
2006
SPEC 40 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ ${{\mathit n}}$
$1643$ $\pm7$ 1
ALDE
1989B
 GAM2 38 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit \omega}}{{\mathit n}}$
1  Superseded by ALDE 1990.
References