Review Article

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

Table 5

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

Charge radii NQM RCQM
[51]
HB PT
[60]
PT [61, 62] CCQM
[52]
P QM [59]   
[57, 58]
Lattice
[63]
With SU   
symmetry
With SU   symmetry breaking
  
  
  
  

0.813 0.735 0.7170.82 0.779 0.685 0.732 0.801 0.766
−0.138−0.113 −0.113−0.13 −0.111 ± 0.014 −0.116 −0.158 −0.087 −0.140 −0.116
−0.1161 ± 0.0022
0.8130.79 1.366 1.13 0.928 0.749 0.732 0.802 0.767
0.675 0.49 0.798 0.72 0.672 0.657 0.646 0.678 0.664
[13]
0.069 0.15 −0.03 ± 0.010.20 0.128 0.043 0.062 0.052
−0.138 0.14 −0.122 −0.19 0.132−0.082 −0.087 −0.145−0.120
0.675 0.47 0.997 0.54 0.520 0.502 0.646 0.683 0.669
−0.069 0.038 −0.284 0.03 0.050 0.010 −0.042 −0.076 −0.063
0.135 −0.120.074 0.0−0.066 0.085 0.132 0.109