STRANGE MESONS($\boldsymbol S$ = $\pm1$, $\boldsymbol C$ = $\boldsymbol B$ = 0) ${{\mathit K}^{+}}$ = ${\mathit {\mathit u}}$ ${\mathit {\overline{\mathit s}}}$, ${{\mathit K}^{0}}$ = ${\mathit {\mathit d}}$ ${\mathit {\overline{\mathit s}}}$, ${{\overline{\mathit K}}^{0}}$ = ${\mathit {\overline{\mathit d}}}$ ${\mathit {\mathit s}}$, ${{\mathit K}^{-}}$ = ${\mathit {\overline{\mathit u}}}$ ${\mathit {\mathit s}}$, similarly for ${{\mathit K}^{*}}$'s INSPIRE search

# ${{\boldsymbol K}_{{1}}{(1270)}}$ $I(J^P)$ = $1/2(1^{+})$

 ${{\mathit K}_{{1}}{(1270)}}$ MASS $1253 \pm7$ MeV (S = 2.2)
 PRODUCED BY ${{\mathit K}^{-}}$, BACKWARD SCATTERING, HYPERON EXCHANGE $1275 \pm10$ MeV
 PRODUCED BY ${{\mathit K}}$ BEAMS $1270 \pm10$ MeV
 PRODUCED BY BEAMS OTHER THAN ${{\mathit K}}$ MESONS $1248 \pm4$ MeV
 PRODUCED IN ${{\mathit \tau}}$ LEPTON DECAYS $1254 \pm50$ MeV
 ${{\mathit K}_{{1}}{(1270)}}$ WIDTH $90 \pm20$ MeV
 PRODUCED BY ${{\mathit K}^{-}}$, BACKWARD SCATTERING, HYPERON EXCHANGE $75 \pm15$ MeV
 PRODUCED BY ${{\mathit K}}$ BEAMS $90 \pm8$ MeV
 PRODUCED BY BEAMS OTHER THAN ${{\mathit K}}$ MESONS $120 \pm8$ MeV
 PRODUCED IN ${{\mathit \tau}}$ LEPTON DECAYS $260 {}^{+120}_{-110}$ MeV
 ${\mathit D}{\mathrm -wave}/{\mathit S}{\mathrm -wave}$ RATIO FOR ${{\mathit K}_{{1}}{(1270)}}$ $\rightarrow$ ${{\mathit K}^{*}{(892)}}{{\mathit \pi}}$ $1.0 \pm0.7$