https://doi.org/10.1051/epjconf/201817802012
Studies of positive-parity low-spin states in the A = 150 region
1
iThemba LABS, P.O. Box 722, Somerset West 7129, South Africa
2
School of Physical Science and Technology, Southwest University, Chongqing, 400715 China
3
Department of Physics, University of Zululand, Private Bag X1001, KwaDlangezwa, 3886, South Africa
4
Department of Physics, University of Western Cape, P/B X17, Bellville 7535 South Africa
5
School of Physics and Nuclear Energy Engineering, Beihang University, Beijing 100191, China
6
State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing 100871, China
* Corresponding author: bark@tlabs.ac.za
Published online: 16 May 2018
A systematic investigation of low-lying levels of nuclides in the mass 150 region has been undertaken at iThemba LABS. An extensive set of data on the low-lying, positive-parity bands in the nuclides between N = 88 and 92 and Sm to Yb has been obtained from γ-γ coincidence measurements following fusion-evaporation reactions optimized of the population of low-spin states. The energies and electromagnetic properties of the so-called β- and γ-bands of nuclei in this region have been compared with the solutions of a five dimensional collective Hamiltonian for quadrupole vibrational and rotational degrees of freedom, with moments-of-inertia and mass parameters determined by constrained self-consistent relativistic mean-field calculations using the PC-F1 relativistic functional. Some of the results of this comparison are presented here.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
