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:
M018

${{\mathit K}^{*}{(892)}}$

$I(J^P)$ = $1/2(1^{-})$ 
${{\mathit K}^{*}{(892)}}$ T-Matrix Pole $\sqrt {s }$   $(890 \pm14) − {\mit i} (26 \pm6)$ MeV 
 
${{\mathit K}^{*}{(892)}}$ MASS
CHARGED ONLY, HADROPRODUCED   $891.67 \pm0.26$ MeV 
 
CHARGED ONLY, PRODUCED IN ${{\mathit \tau}}$ LEPTON DECAYS   $895.5 \pm0.8$ MeV 
 
NEUTRAL ONLY   $895.55 \pm0.20$ MeV (S = 1.7)
 
${\mathit m}_{{{\mathit K}^{*}{(892)}^{0}}}–{\mathit m}_{{{\mathit K}^{*}{(892)}^{\pm}}}$   $6.7 \pm1.2$ MeV 
 
${{\mathit K}^{*}{(892)}}$ RANGE PARAMETER   $3.0 \pm0.5$ GeV${}^{-1}$ (S = 1.2)
 
${{\mathit K}^{*}{(892)}}$ WIDTH
CHARGED ONLY, HADROPRODUCED   $51.4 \pm0.8$ MeV 
 
CHARGED ONLY, PRODUCED IN ${{\mathit \tau}}$ LEPTON DECAYS   $46.2 \pm1.3$ MeV 
 
NEUTRAL ONLY   $47.3 \pm0.5$ MeV (S = 2.0)
 
$\Gamma_{1}$ ${{\mathit K}}{{\mathit \pi}}$   $(\sim100)\%$ 289
 
$\Gamma_{2}$ (${{\mathit K}}{{\mathit \pi}}$ )${}^{+-}$   $(99.902\pm{0.009})\%$ 291
 
$\Gamma_{3}$ (${{\mathit K}}{{\mathit \pi}}$ )${}^{0}$   $(99.754\pm{0.021})\%$ 290
 
$\Gamma_{4}$ ${{\mathit K}^{0}}{{\mathit \gamma}}$   $(2.46\pm{0.21})\times 10^{-3}$ 307
 
$\Gamma_{5}$ ${{\mathit K}^{\pm}}{{\mathit \gamma}}$   $(9.8\pm{0.9})\times 10^{-4}$ 309
 
$\Gamma_{6}$ ${{\mathit K}}{{\mathit \pi}}{{\mathit \pi}}$   $<7\times 10^{-4}$ CL=95% 223
 
FOOTNOTES
Constrained Fit information