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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: M064

${{\mathit K}_{{{1}}}{(1400)}}$ $I(J^P)$ = $1/2(1^{+})$

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${{\mathit K}_{{{1}}}{(1400)}}$ MASS $1403$ $\pm7$ MeV

${{\mathit K}_{{{1}}}{(1400)}}$ WIDTH $174$ $\pm13$ MeV (S = 1.6)

▸  exp ${{\mathit K}_{{{1}}}{(1400)}}$ BRANCHING RATIOS

${\mathit D}{\mathrm -wave}/{\mathit S}{\mathrm -wave}$ RATIO FOR ${{\mathit K}_{{{1}}}{(1400)}}$ $\rightarrow$ ${{\mathit K}^{*}{(892)}}{{\mathit \pi}}$ $0.04$ $\pm0.01$

${{\mathit K}_{{{1}}}{(1400)}}$ DECAY MODES

Mode   Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/ Conf. Level P(MeV/c)   $\Gamma_{1}$ ${{\mathit K}^{*}{(892)}}{{\mathit \pi}}$ ($94$ $\pm6$ ) $\%$ 402   $\Gamma_{2}$ ${{\mathit K}}{{\mathit \rho}}$ ($3.0$ $\pm3.0$ ) $\%$ 293   $\Gamma_{3}$ ${{\mathit K}}{{\mathit f}_{{{0}}}{(1370)}}$ ($2.0$ $\pm2.0$ ) $\%$ -1   $\Gamma_{4}$ ${{\mathit K}}{{\mathit \omega}}$ ($1.0$ $\pm1.0$ ) $\%$ 284   $\Gamma_{5}$ ${{\mathit K}_{{{0}}}^{*}{(1430)}}{{\mathit \pi}}$ not seen -1   $\Gamma_{6}$ ${{\mathit \gamma}}{{\mathit K}^{0}}$ seen 613   $\Gamma_{7}$ ${{\mathit K}}{{\mathit \phi}}$ seen -1