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 fm
2).
|
Charge radii |
NQM |
RCQM [51] |
HBPT [60] | PT [61, 62] |
CCQM [52] |
PQM [59] | [57, 58] |
Lattice [63] | | With SU symmetry |
With SU symmetry breaking |
|
|
| | 0.813 |
— | 0.735 | 0.717 | 0.82 | | 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 | | | | | | | | | | | | | 0.813 | 0.79 | 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 ± 0.01 | 0.20 | | 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 | −0.12 | 0.074 | | — | 0.0 | −0.066 | — | 0.085 | 0.132 | 0.109 |
|
|