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${{\mathit \eta}_{{{2}}}{(1645)}}$ MASS

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M154M

VALUE (MeV) DOCUMENT ID TECN CHG  COMMENT $\bf{ 1617 \pm5}$ OUR AVERAGE $1613$ $\pm8$ BARBERIS 2000 B 450 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}_{{{f}}}}{{\mathit \eta}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit p}_{{{s}}}}$ $1617$ $\pm8$ BARBERIS 2000 C 450 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}_{{{f}}}}$4 ${{\mathit \pi}}{{\mathit p}_{{{s}}}}$ $1620$ $\pm20$ BARBERIS 1997 B OMEG 450 ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}{{\mathit p}}$2( ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$) $1645$ $\pm14$ $\pm15$ ADOMEIT 1996 CBAR 0 1.94 ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}}$3 ${{\mathit \pi}^{0}}$ • • We do not use the following data for averages, fits, limits, etc. • • $1645$ $\pm6$ $\pm20$ ANISOVICH 2000 E SPEC $0.9 - 1.94$ ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}}$3 ${{\mathit \pi}^{0}}$

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