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:
M146

${{\mathit K}_{{{2}}}{(1820)}}$

$I(J^P)$ = $1/2(2^{-})$ 
See our mini-review in the 2004 edition of this $\mathit Review$ (PDG 2004) under ${{\mathit K}_{{{2}}}{(1770)}}$.
${{\mathit K}_{{{2}}}{(1820)}}$ MASS $1819$ $\pm12$ MeV 
 
${{\mathit K}_{{{2}}}{(1820)}}$ WIDTH $264$ $\pm34$ MeV 
 
Mode  
Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{1}$ ${{\mathit K}}{{\mathit \pi}}{{\mathit \pi}}$ seen 819
 
$\Gamma_{2}$ ${{\mathit K}_{{{2}}}^{*}{(1430)}}{{\mathit \pi}}$ seen 328
 
$\Gamma_{3}$ ${{\mathit K}^{*}{(892)}}{{\mathit \pi}}$ seen 683
 
$\Gamma_{4}$ ${{\mathit K}}{{\mathit f}_{{{2}}}{(1270)}}$ seen 191
 
$\Gamma_{5}$ ${{\mathit K}}{{\mathit \omega}}$ seen 640
 
$\Gamma_{6}$ ${{\mathit K}}{{\mathit \phi}}$ seen 483