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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
physics and astronomy
Bulk properties of rotating nuclei and the validity of the liquid drop model at finite angular momenta
Nuclear Physics A, Volume 652, No. 2, Year 1999
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Description
Out of self-consistent semi-classical calculations performed within the so-called Extended Thomas-Fermi approach for 212 nuclei at all even angular momentum values I ranging between 0 and 80 ℏ and using the Skyrme SkM* effective force, the I-dependence of associated liquid drop model parameters has been studied. The latter have been obtained trough separate fits of the calculated values of the strong interaction as well as direct and exchange Coulomb energies. The theoretical data basis so obtained, has allowed to make a rough quantitative assessment of the variation with I of the usual volume and surface energy parameters up to spin of ∼ 30-40ℏ. As a result of the combined variation of the surface and Coulomb energies, it has been shown that this I-dependence results in a significant enhancement of the fission stability of very heavy nuclei, balancing thus partially the well-known instability due to centrifugal forces. © 1999 Elsevier Science B.V. All rights reserved.
Authors & Co-Authors
Piperova, J.
Bulgaria, Sofia
Institute for Nuclear Research and Nuclear Energy Bulgarian Academy of Sciences
SamsŒn, David
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Quentin, Philippe
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Bencheikh, Kamel
France, Paris
In2p3 - Institut National de Physique Nucléaire et de Physique Des Particules
Algeria, Setif
Université Ferhat Abbas Sétif 1
Bartel, Johann
France, Strasbourg
Université de Strasbourg
Meyer, Jacques
France, Villeurbanne
Université Claude Bernard Lyon 1
Statistics
Citations: 6
Authors: 6
Affiliations: 5
Identifiers
Doi:
10.1016/S0375-9474(99)00159-1
ISSN:
03759474
Study Approach
Quantitative