particle

${\pi }^{+}$

${\pi }^0$

${\pi }^{-}$

$f^0$

${\eta }^0$

$k^{+}$

$k^{-}$

I

1

1

1

0

0

$\frac{1}{2}$

$\frac{1}{2}$

I₃

1

0

−1

0

0

$\frac{1}{2}$

$-\frac{1}{2}$

strangeness

0

0

0

0

0

1

−1