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STRANGE MESONS ($\mathit S$ = $\pm1$, $\mathit C$ = $\mathit B$ = 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   JSON PDGID: M099

${{\mathit K}_{{{1}}}{(1650)}}$ $I(J^P)$ = $1/2(1^{+})$

This entry contains various peaks in strange meson systems (${{\mathit K}^{+}}{{\mathit \phi}}$, ${{\mathit K}}{{\mathit \pi}}{{\mathit \pi}}$) reported in partial-wave analysis in the 1600$-$1900 mass region.

${{\mathit K}_{{{1}}}{(1650)}}$ MASS $1650$ $\pm50$ MeV

${{\mathit K}_{{{1}}}{(1650)}}$ WIDTH $150$ $\pm50$ MeV

${{\mathit K}_{{{1}}}{(1650)}}$ DECAY MODES
Mode   Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/ Conf. Level P(MeV/c)   $\Gamma_{1}$ ${{\mathit K}}{{\mathit \pi}}{{\mathit \pi}}$ 725   $\Gamma_{2}$ ${{\mathit K}}{{\mathit \phi}}$ 312