Charge Radii and Quadrupole Moments of the Low-Lying Baryons in the Chiral Constituent Quark Model

Table 6

Charge radii of decuplet baryons calculated in 𝜒CQM in comparison with other phenomenological models (in units of fm²).

Charge radii	NQM	FTQM [67]	CCQM [52]	1/𝑁𝑐 [57, 58]	Lattice [64–66]	𝜒CQM
						With SU(3); symmetry	With SU(3); symmetry breaking
							𝑟^2Δ^++	1.084	1.18	0.43	1.011	—	0.938	0.961	0.996
𝑟^2Δ^+	1.084	0.82	0.43	1.011	0.410 (57)	0.938	0.946	0.983
𝑟^2Δ0	0.0	0.16	0.00	0.0	—	0.0	−0.030	−0.025
𝑟^2Δ^−	1.084	0.84	0.43	1.011	−0.410 (57)	0.938	1.006	1.033
𝑟^2Σ^∗+	1.084	0.97	0.42	1.086	0.399 (45)	0.938	0.940	0.978
𝑟^2Σ^∗−	1.084	0.84	0.37	0.845	−0.360 (32)	0.938	1.013	1.038
𝑟^2Σ∗0	0.0	0.34	0.03	0.127	0.020 (7)	0.0	−0.036	−0.030
𝑟^2Ξ∗0	0.0	0.49	0.06	0.244	0.043 (10)	0.0	−0.043	−0.035
𝑟^2Ξ^∗−	1.084	0.82	0.33	0.692	−0.330 (20)	0.938	1.019	1.043
𝑟^2Ω^−	0.390	0.78	0.29	0.553	—	0.245	0.429	0.355