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:
M019

${{\mathit K}_{{{0}}}^{*}{(1430)}}$

$I(J^P)$ = $1/2(0^{+})$ 
${{\mathit K}_{{{0}}}^{*}{(1430)}}$ T-MATRIX POLE $\sqrt {\mathit s }$ (1431+-6) - i (110+-19) MeV 
 
${{\mathit K}_{{{0}}}^{*}{(1430)}}$ MASS [1] $1425$ $\pm50$ MeV 
 
${{\mathit K}_{{{0}}}^{*}{(1430)}}$ WIDTH [1] $270$ $\pm80$ MeV 
 
Mode  
Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level
P(MeV/c)  
$\Gamma_{1}$ ${{\mathit K}}{{\mathit \pi}}$ ($93$ $\pm10$ ) $\%$ 619
 
$\Gamma_{2}$ ${{\mathit K}}{{\mathit \eta}}$ ($8.6^{+2.7}_{-3.4}$ ) $\%$ 486
 
$\Gamma_{3}$ ${{\mathit K}}{{\mathit \eta}^{\,'}{(958)}}$ seen -1
 
[1] Our estimate. See the Particle Listings for details.