Values of the quenching factor $Q$ and respectively specified Landau-Migdal parameter $g^{\prime }$ are deduced from a detailed comparison of experimental and theoretical Gamow-Teller strength distributions in the ${}^{48}\mathrm{Ca}, {}^{90}\mathrm{Zr}, {}^{132}\mathrm{Sn}$, and ${}^{208}\mathrm{Pb}$ parent nuclei. The theoretical distributions are obtained within the simply modified basic version of semimicroscopic particle-hole dispersive optical model, which has been successfully used for describing high-energy particle-hole-type charge-exchange spin-monopole excitations in mentioned parent nuclei. The deduced values are compared with those obtained in other studies. Values of adjusted “spreading” parameters of the model are also deduced from the above-mentioned comparison.

Close

PrevNext

View figure in article

• Giant resonances
• Nuclear forces
• Shell model