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

${{\boldsymbol K}{(1830)}}$ $I(J^P)$ = $1/2(0^{-})$

Seen in partial-wave analysis of ${{\mathit K}}{{\mathit \phi}}$ system. Needs confirmation.

${{\mathit K}{(1830)}}$ MASS

$1874 {}^{+70}_{-120}$ MeV

${{\mathit K}{(1830)}}$ WIDTH

$168 {}^{+290}_{-140}$ MeV

Decay Modes

$\Gamma_{1}$

${{\mathit K}}{{\mathit \phi}}$

531