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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:

M134

**${{\mathit K}_{{{0}}}^{*}{(1950)}}$**

$I(J^P)$ = $1/2(0^{+})$

Seen in partial-wave analysis of the ${{\mathit K}^{-}}{{\mathit \pi}^{+}}$ system. Needs confirmation.

${{\mathit K}_{{{0}}}^{*}{(1950)}}$ MASS

$1957$ $\pm14$ MeV

${{\mathit K}_{{{0}}}^{*}{(1950)}}$ WIDTH

$170$ $\pm50$ MeV (S = 2.2)

${{\mathit K}_{{{0}}}^{*}{(1950)}}$ DECAY MODES

Mode

Fraction ($\Gamma_i$ / $\Gamma$)

Scale Factor/
Conf. Level

P(MeV/c)

$\Gamma_{1}$

${{\mathit K}^{-}}{{\mathit \pi}^{+}}$

($52$ $\pm14$ ) $\%$

911

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MIRRORS

${{\mathit K}_{{{0}}}^{*}{(1950)}}$

**${{\mathit K}_{{{0}}}^{*}{(1950)}}$**