期刊
NUCLEAR PHYSICS A
卷 913, 期 -, 页码 127-156出版社
ELSEVIER
DOI: 10.1016/j.nuclphysa.2013.06.002
关键词
Level-density; Folded-Yukawa; Micro-canonical
资金
- Swedish National Research Council (VR)
- National Nuclear Security Administration of the U.S. Department of Energy at Los Alamos National Laboratory [DE-AC52-06NA25396]
- [DE-FG02-06ER41407]
A microscopic nuclear level-density model is presented. The model is a completely combinatorial (micro-canonical) model based on the folded-Yukawa single-particle potential and includes explicit treatment of pairing, rotational and vibrational states. The microscopic character of all states enables extraction of level-distribution functions with respect to pairing gaps, parity and angular momentum. The results of the model are compared to available experimental data: level spacings at neutron separation energy, data on total level-density functions from the Oslo method, cumulative level densities from low-lying discrete states, and data on parity ratios. Spherical and deformed nuclei follow basically different coupling schemes, and we focus on deformed nuclei. (c) 2013 Elsevier B.V. All rights reserved.
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