Nature of Symmetric and Mixed-Symmetric 2+States in ~92Zr from Electron Scattering

摘要

To measure the form factor of isospin polarized one-quadrupole phonon states of ~92Zr atthe Z = 40 proton subshell closure and to compare it to the momentum-transfer dependence of theform factors for the one-quadrupole phonon states predicted by the Quasiparticle Phonon Model, the2+ states of ~92Zr have been investigated with an electron scattering experiment at theS —DAL INAC.The relative E2 excitation strength to off-yrast 2_2~+ state was also extracted in a model-independentsystematic procedure. A comparison with the data on ~94Mo and previous spectroscopic informationon MSSs of 92Zr will be given.