Wigner energy, odd-even mass staggering and the time-odd mean-fields

Various properties of single-particle Hartree-Fock ground-state solutions in N{approx}Z nuclei are investigated. The emphasis is on a role of single-particle mean-field in odd-even mass staggering. It is shown that, unlike in traditional scenario originating from the Fermi gas or macroscopic models,...

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Bibliographic Details
Main Authors: Satula, Wojciech, Joint Institute for Heavy Ion Research, Oak Ridge, Tennessee 37831-6374, Department of Physics, University of Tennessee, Knoxville, Tennessee 37996
Format: Conference Proceeding
Language:English
Subjects:
BINDING ENERGY
HARTREE-FOCK-BOGOLYUBOV THEORY
NUCLEAR DEFORMATION
NUCLEAR PHYSICS AND RADIATION PHYSICS
ODD-EVEN NUCLEI
PAIRING INTERACTIONS
SKYRME POTENTIAL
THEORETICAL DATA
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Summary:Various properties of single-particle Hartree-Fock ground-state solutions in N{approx}Z nuclei are investigated. The emphasis is on a role of single-particle mean-field in odd-even mass staggering. It is shown that, unlike in traditional scenario originating from the Fermi gas or macroscopic models, the symmetry energy contribution to odd-even mass staggering is nearly cancelled by the contribution coming from the average level density. It allows to construct indicators probing both pairing as well as mean-field components to the odd-even mass staggering. The impact of the single-particle Hartree-Fock field on Wigner energy and residual pn interaction in odd-odd nuclei is also discussed. (c) 1999 American Institute of Physics.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.59544