Baryon

Pair of mesons

I

I_s

S

Binding quarks

Binding energy

(MeV)

Excited Energy

(MeV)

Mass (estimated)

(MeV)

Mass (measured)

(MeV)

∆⁺⁺

${\pi }^{+}+{\pi }^{+}$

2

2

0

$\text{uu},\overline{d}\overline{d}$

664.02

293.43

1236.59

1232

∆⁺

${\pi }^{+}+{\pi }^0$

2

1

0

$\text{uu},\overline{d}\overline{d},\overline{u}\overline{d}$

664.02

293.43

1232 (setting)

1232

∆⁰

${\pi }^{+}+{\pi }^{-}$

2

0

0

$\text{uu},\text{dd},\text{ud}$

664.02

293.43

1236.59

1232

∆⁻

${\pi }^{-}+{\pi }^0$

2

−1

0

$\overline{u}\overline{u},dd,ud$

664.02

293.43

1232.0

1232

∆⁻⁻

${\pi }^{-}+{\pi }^{-}$

2

-2

0

$\overline{u}\overline{u},dd$

664.02

293.43

1236.59

1232

${\Sigma }^{\ast +}$

${\pi }^{+}+{\eta }^0$

1

1

0

$\text{uu},\overline{d}\overline{d},\overline{u}\overline{d}$

664.02

0

1351.45

1382.8

${\Sigma }^{\ast 0}$

${\pi }^0+{\eta }^0$

1

0

0

$\text{uu},\text{dd},\text{ud}$

664.02

0

1346.86

1383.7

${\Sigma }^{\ast -}$

${\pi }^{-}+{\eta }^0$

1

−1

0

$\overline{u}\overline{u},dd,ud$

664.02

0

1356.59

1387.2

${\Xi }^{\ast +}$

${\kappa }^{+}+f^0$

$\frac{1}{2}$

$\frac{1}{2}$

1

$\text{uu},\text{ud}$

664.02

0

1598.20

${\Xi }^{\ast -}$

${\kappa }^{-}+f^0$

$\frac{1}{2}$

$-\frac{1}{2}$

−1

$\overline{u}\overline{u},\overline{d}\overline{d}$

664.02

0

1598.20

1535..0

${\Xi }^{\ast 0}$

${\kappa }_s^0+f^0$ or ${\kappa }_L^0+f^0$

0

0

0

$\text{ud},\text{dd}$ or $\text{ud},\text{dd}$

664.02

0

1602.13

1531.80

${\Omega }^{+}$

${\kappa }^{+}+{\eta }^0$

$\frac{1}{2}$

$\frac{1}{2}$

1

$\text{uu},\text{ud}$

664.02

0

1705.54

${\Omega }^{-}$

${\kappa }^{-}+{\eta }^0$

−1

664.02

0

1705.04

1672.45