Quasi-Deuteron Model and the Internal Momentum Distribution of Nucleons inC12

Abstract

The quasi-deuteron model was assumed in computing the internal momentum distribution of nucleons in C 12 using the monoergic photodata of Cence and Moyer and the bremsstrahlung photodata of the Purdue group. The computed quasi-deuteron momentum distribution has the form A eTq> (-p where Ei is 1.5 MeV and E 2 is 5 MeV. The ratio B/A is approximately 2. These two components resemble the (Is) and (lp) wave functions of the shell model. The (Is) component is associated with a binding energy 40 MeV while the (lp) component is associated with a binding energy 10 MeV. The internal momentum distribution of nucleons in C 12 was calculated from this quasideuteron momentum distribution assuming that the nucleons exist in proton-neutron pairs in the nucleus.