STRUCTURE OF THE NUCLEON AND ROPER RESONANCE WITH DIQUARK CORRELATIONS

K. NAGATA, A. HOSAKA
2008 Modern Physics Letters A  
We investigate the electric form factors of the nucleon and Roper resonance using a quark-diquark model. We find that the charge radii of the nucleon and Roper resonance are almost the same in size.
doi:10.1142/s0217732308029460 fatcat:is34jhnkvjbujilpful4fe7qke