Baryon Isovector Electric Properties and the Large N_c and Chiral Limits
arXiv:hep-ph/9505427 · doi:10.1016/0370-2693(95)01066-Y
Abstract
A model independent calculation is given for the nucleon isovector electric charge radius which is valid in the limit $N_c \rightarrow \infty$, $m_Ï\rightarrow 0$, $N_c m_Ï$ fixed. This expression reduces to that of the Skyrme model in the limit $N_c m_Ï \rightarrow \infty$.
One figure avialable on request, contact cohen@quark.umd.edu