EPJ Web Conf.
Volume 178, 201816th International Symposium on Capture Gamma-Ray Spectroscopy and Related Topics (CGS16)
|Number of page(s)||3|
|Published online||16 May 2018|
High-K Isomers in Light Superheavy Nuclei by PNC-CSM method
College of Material Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
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Published online: 16 May 2018
The high-K isomeric states in light superheavy nuclei around A = 250 mass region are investigated by the Cranked Shell Model (CSM) with pairing treated by a Particle-Number Conserving (PNC) method. With including the higher-order deformation ε6, both of the high–K multi-particle state energies and the rotational bands in 254No and N = 150 isotone are reproduced well. The isomeric state energies and the microscopic mechanism of kinematic moment of inertia variations versus rotational frequency are discussed. The irregularity of the two-neutron Kπ = 8- state band at ħω ≈ 0:17 in 252No is caused by the configuration mixing with the two-proton Kπ = 8- band. .
© 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/).
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