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

INSPIRE   JSON  (beta) PDGID:
M028WX
VALUE (MeV)
$\bf{ 90 \pm20}$ OUR ESTIMATE  This is only an educated guess; the error given is larger than the error on the average of the published values.
$\bf{ 101 \pm12}$ 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.

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