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

INSPIRE   PDGID:

M027MX

VALUE (MeV) $\bf{ 1408.8 \pm2.0}$ OUR AVERAGE includes data from ${{\mathit \eta}}{{\mathit \pi}}{{\mathit \pi}}$ MODE, ${{\mathit K}}{{\overline{\mathit K}}}{{\mathit \pi}}$ MODE (${{\mathit a}_{{0}}{(980)}}{{\mathit \pi}}$ or direct ${{\mathit K}}{{\overline{\mathit K}}}{{\mathit \pi}}$ )  Error includes scale factor of 2.2.  See the ideogram below.

${{\mathit \eta}{(1405)}}$ mass (MeV)

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