Microscopic description of odd- and even-mass Er isotopes
The pseudo-SU(3) shell model is used to describe rotational bands and B(E2) electromagnetic transition strengths in the even- and odd-mass rare earth isotopes 164,165,166,167,168Er. The building blocks of the model are the pseudo-SU(3) proton and neutron states with pseudo-spin zero and 1/2, which describe even and odd numbers of nucleons, respectively. The many-particle states are built as linear combinations of pseudo-SU(3) coupled states with well-defined particle number and total angular momentum. The Hamiltonian includes spherical Nilsson single-particle energies, quadrupole-quadrupole and pairing interactions, as well as rotor terms that are diagonal in the SU(3) basis. The use of realistic single-particle energies has a fundamental importance in the appropriate description of odd-mass nuclei.
Publication Source (Journal or Book title)
Acta Physica Hungarica New Series Heavy Ion Physics
Hirsch, J., Popa, G., Vargas, C., & Draayer, J. (2002). Microscopic description of odd- and even-mass Er isotopes. Acta Physica Hungarica New Series Heavy Ion Physics, 16 (1-4), 291-301. https://doi.org/10.1556/APH.16.2002.1-4.32