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${{\mathit f}_{{{0}}}{(2200)}}$ MASS

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M112M

VALUE (MeV) EVTS DOCUMENT ID TECN  COMMENT $\bf{ 2187 \pm14}$ OUR AVERAGE $2170$ $\pm20$ ${}^{+10}_{-15}$ ABLIKIM 2005 Q BES2 ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit K}^{+}}{{\mathit K}^{-}}$ $2197$ $\pm17$ 1 AUGUSTIN 1988 DM2 ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ • • We do not use the following data for averages, fits, limits, etc. • • $2200$ $\pm25$ SARANTSEV 2021 RVUE ${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \gamma}}$ (${{\mathit \pi}}{{\mathit \pi}}$ , ${{\mathit K}}{{\overline{\mathit K}}}$ , ${{\mathit \eta}}{{\mathit \eta}}$ , ${{\mathit \omega}}{{\mathit \phi}}$) $2206$ $\pm12$ $\pm8$ 381 2, 3 DOBBS 2015 ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit K}^{+}}{{\mathit K}^{-}}$ $2188$ $\pm17$ $\pm16$ 203 2, 3 DOBBS 2015 ${{\mathit \psi}{(2S)}}$ $\rightarrow$ ${{\mathit \gamma}}{{\mathit K}^{+}}{{\mathit K}^{-}}$ $2210$ $\pm50$ 4 BINON 2005 GAMS 33 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit \eta}}{{\mathit n}}$ $\sim$$2122$ HASAN 1994 RVUE ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit \pi}}$ $\sim$$2321$ HASAN 1994 RVUE ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit \pi}}$ 1  Cannot determine spin to be 0. 2  Using CLEO-c data but not authored by the CLEO Collaboration. 3  From a fit to a Breit-Wigner line shape with fixed $\Gamma $ = 238 MeV. 4  First solution, PWA is ambiguous.

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