12C+12C scattering as the reference system for reaction cross section

In our previous paper, we tested the chiral (Kyushu) folding model for 12C+12C scattering, since profile function in Glauber mode is constructed system. We found that reliable reaction cross sections σR 30≲Elab≲100MeV and 250≲Elab≲400MeV. Accurate data are available 12C scattering on 9Be, 12C, 27Al targets 30≲Elab≲400MeV. determine matter radius rm(exp) of from accurate σR(exp), using Kyushu g-matrix model. Our result rm12(exp)=2.352±0.013 fm 12C. The applied 12C+27Al yields rm(exp)=2.936±0.012 27Al. conclusion rm(exp)=2.352±0.013 agrees with rm(exp)=2.35±0.02 determined interaction by Tanihata et al..