Symbol

Quarks

Mass (MeV/c²)

Spin

Mean lifetime (s)

Nb of Attraction Quanta

Proton

p

uud

938.3

1/2

Stable

23

Neutron

n

udd

939.6

1/2

880.31

22

Delta

Δ⁺⁺

uuu

1232

3/2

0.6 × 10⁻²³

24

Δ⁺

uud

1232

3/2

0.6 × 10⁻²³

23

Δ⁰

udd

1232

3/2

0.6 × 10⁻²³

22

Δ⁻

ddd

1232

3/2

0.6 × 10⁻²³

21

Lambda

Λ⁰

uds

1115.7

1/2

2.63 × 10⁻¹⁰

20

${\Lambda }_c^{+}$

udc

2284.9

1/2

2.0 × 10⁻¹³

21

${\Lambda }_b^0$

udb

5624

1/2

1.2 × 10⁻¹²

16

Sigma

Σ⁺

uus

1189.4

1/2

0.8 × 10⁻¹⁰

21

Σ⁰

uds

1192.6

3/2

7.4 × 10⁻²⁰

20

Σ⁻

dds

1197.4

1/2

1.5 × 10⁻¹⁰

19

${\sum }_c^{+}$

udc

2517.5

3/2

3.87 × 10⁻²³

21

${\sum }_c^0$

ddc

2518.48

3/2

4.3 × 10⁻²³

20

Xi

Ξ⁰

uss

1314.8

3/2

2.9 × 10⁻¹⁰

18

Ξ⁻

dss

1321.3

3/2

1.6 × 10⁻¹⁰

17

Ξ⁰_b

usb

5952.3

3/2

6.31 × 10⁻¹²

13

Ξ⁰_c

dsc

2471.8

3/2

1.1 × 10⁻¹³

18

Ξ⁺_c

usc

2466.3

3/2

4.4 × 10⁻¹³

19

Omega

Ω⁻

sss

1672.4

3/2

0.82 × 10⁻¹⁰

15

${\Omega }_c^0$

ssc

2697.5

3/2

6.9 × 10⁻¹⁴

16

${\Omega }_{bbb}^{-}$

bbb

unknown

3/2

unknown

3

${\Omega }_{ccb}^{+}$

ccb

unknown

3/2

unknown

11

${\Omega }_{cbb}^0$

cbb

unknown

3/2

unknown

7