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

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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 1989 B GAM2 38 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit \omega}}{{\mathit n}}$ 1  Superseded by ALDE 1990 .

References:

AMSLER 2006 PL B639 165 Study of ${{\mathit K}}{{\overline{\mathit K}}}$ resonances in ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{+}}{{\mathit K}^{-}}{{\mathit \pi}^{0}}$ at 900 and 1640 MeV/$\mathit c$ VLADIMIRSKY 2006 PAN 69 493 Analysis of the ${{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ System from the Reaction ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ ${{\mathit n}}$ at 40 GeV BUGG 1995 PL B353 378 Further Amplitude Analysis of ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}$( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$) ADAMO 1992 PL B287 368 Meson Spectroscopy with Antineutrinos ALDE 1990 PL B241 600 Further Study of Mesons which Decay into ${{\mathit \omega}}{{\mathit \omega}}$ ALDE 1989B PL B216 451 Study of ${{\mathit \omega}}{{\mathit \omega}}$ Systems Produced in 38 ${\mathrm {GeV/}}\mathit c$ ${{\mathit \pi}^{-}}{{\mathit p}}$ Collisions