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

Table 1

Charge radii of octet baryons in NQM_config in terms of the GPM parameters. The results in NQM without configuration can easily be calculated by substituting 𝜃=0.

Charge radii	NQMconfig
𝑟^2𝑝	(A−3B)[2𝑢+𝑑]+(B−C)cos^2𝜃(4𝑢+−𝑑+)+sin^2𝜃2𝑢++𝑑+
𝑟^2𝑛	(A−3B)[𝑢+2𝑑]+(B−C)cos^2𝜃(−𝑢++4𝑑+)+sin^2𝜃𝑢++2𝑑+
𝑟^2Σ^+	(A−3B)[2𝑢+𝑠]+(B−C)cos^2𝜃(4𝑢+−𝑠+)+sin^2𝜃2𝑢++𝑠+
𝑟^2Σ^−	−(A−3B)[2𝑑+𝑠]−(B−C)cos^2𝜃(4𝑑+−𝑠+)+sin^2𝜃2𝑑++𝑠+
𝑟^2Σ0	(A−3B)[𝑢+𝑑+𝑠]+(B−C)cos^2𝜃(2𝑢++2𝑑+−𝑠+)+sin^2𝜃𝑢++𝑑++𝑠+
𝑟^2Ξ0	(A−3B)[𝑢+2𝑠]+(B−C)cos^2𝜃(−𝑢++4𝑠+)+sin^2𝜃𝑢++2𝑠+
𝑟^2Ξ^−	−(A−3B)[𝑑+2𝑠]+(B−C)cos^2𝜃(−𝑑++4𝑠+)+sin^2𝜃𝑑++2𝑠+
𝑟^2Λ	(A−3B)[𝑢+𝑑+𝑠]+(B−C)cos^2𝜃(3𝑠+)+sin^2𝜃𝑢++𝑑++𝑠+
𝑟^2ΣΛ	(A−3B)[𝑢+𝑑+𝑠]+√3(B−C)𝑢+−𝑑+