Baryons Masses

 From ref. 2, we can estimate the mass of quarks (in MeV/c²) as follows :

Quarks	Spin 1/2	Spin 3/2
nucleon (down, up)	313	411
strange	490	564
charm	1660	1643
bottom	4994	4976

		Spin ½				Spin 3/2
	Quarks	Name	Mass, ref. 2	Mass, calc.	Error(%)	Name	Mass, ref. 2	Mass, calc.	Error(%)
1	nnn	N	939	939	0.0	\(\Delta\)	1,232	1,232	0.0
2	nns		1,116	1,116	0.0	\(\Sigma\)	1,385	1,385	0.0
3	nnc		2,286	2,286	0.0	\(\Sigma\)	-	2,464	-
4	nnb		5,620	5,620	0.0	\(\Sigma\)	-	5,797	-
5	nss		1,319	1,293	-1.9	\(\Xi\)	1,530	1,539	0.6
6	nsc		2,469	2,463	-0.2	\(\Xi\)	2,645	2,617	-1.0
7	nsb		5,795	5,797	0.0	\(\Xi\)	5,950	5,951	0.0
8	ncc		3,622	3,633	0.3	\(\Xi\)	-	3,696	-
9	ncb	-	-	6,967	-	-	-	7,029	-
10	nbb	-	-	10,301	-	-	-	10,363	-
11	sss		-	1,470	-	\(\Omega\)	1,672	1,692	1.2
12	ssc		2,695	2,640	-2.0	\(\Omega\)	2,770	2,771	0.0
13	ssb		6,045	5,974	-1.2	\(\Omega\)	-	6,104	-
14	scc		-	3,810	-	\(\Omega\)	-	3,849	-
15	scb	-	-	7,144	-	-	-	7,183	-
16	sbb	-	-	10,478	-	-	-	10,516	-
17	ccc	-	-	4,980	-	-	-	4,928	-
18	ccb	-	-	8,314	-	-	-	8,261	-
19	cbb	-	-	11,648	-	-	-	11,595	-
20	bbb	-	-	14,982	-	-	-	14,928	-

 

Reference :

¹D. Griffiths, Introduction to Elementary Particles, John Wiley & Sons, 1987, front inside cover.

²R.L. Workman et al. (Particle Data Group), Prog. Theor. Exp. Phys. 2022, 083C01 (2022), pp. 88-89.