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:
M023

${{\mathit K}_{{{2}}}{(1770)}}$

$I(J^P)$ = $1/2(2^{-})$ 
See our mini-review in the 2004 edition of this $\mathit Review$, PDG 2004.
${{\mathit K}_{{{2}}}{(1770)}}$ MASS   $1773 \pm8$ MeV 
 
${{\mathit K}_{{{2}}}{(1770)}}$ WIDTH   $186 \pm14$ MeV 
 
$\Gamma_{1}$ ${{\mathit K}}{{\mathit \pi}}{{\mathit \pi}}$   794
 
$\Gamma_{2}$ ${{\mathit K}_{{{2}}}^{*}{(1430)}}{{\mathit \pi}}$   seen 287
 
$\Gamma_{3}$ ${{\mathit K}^{*}{(892)}}{{\mathit \pi}}$   seen 654
 
$\Gamma_{4}$ ${{\mathit K}}{{\mathit f}_{{{2}}}{(1270)}}$   seen 53
 
$\Gamma_{5}$ ${{\mathit K}}{{\mathit f}_{{{0}}}{(980)}}$   possibly seen 466
 
$\Gamma_{6}$ ${{\mathit K}}{{\mathit \phi}}$   seen 441
 
$\Gamma_{7}$ ${{\mathit K}}{{\mathit \omega}}$   seen 607
 
FOOTNOTES