${{\mathit K}_{{1}}{(1270)}}$ MASS

INSPIRE   PDGID:
M028MX
VALUE (MeV)
$\bf{ 1253 \pm7}$ OUR AVERAGE includes data from PRODUCED BY ${{\mathit K}^{-}}$, BACKWARD SCATTERING, HYPERON EXCHANGE, PRODUCED BY ${{\mathit K}}$ BEAMS, PRODUCED IN ${{\mathit \tau}}$ LEPTON DECAYS, PRODUCED BY BEAMS OTHER THAN ${{\mathit K}}$ MESONS  Error includes scale factor of 2.2.  See the ideogram below.

           ${{\mathit K}_{{1}}{(1270)}}$ MASS (MeV)