Relativistic extended Thomas-Fermi calculations of finite nuclei with realistic nucleon-nucleon interactions

Journal Article · Mon Mar 01 04:00:00 EST 1993 · Physical Review, C (Nuclear Physics); (United States)

DOI:https://doi.org/10.1103/PhysRevC.47.1091· OSTI ID:6699486

Centelles, M; Vinas, X; Barranco, M ^[1]; Ohtsuka, N; Faessler, A; Khoa, D T; Muether, H ^[2]

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1. Departament d'Estructura i Constituents de la Materia, Facultat de Fisica, Universitat de Barcelona, Diagonal 647, E-08028 Barcelona (Spain)
2. Institut fuer Theoretische Physik, Universitaet Tuebingen, Auf der Morgenstelle 14, D-7400 Tuebingen (Germany)

A relativistic energy density functional is constructed to investigate the Dirac effects on different properties of the structure and scattering of finite nuclei. The kinetic energy density has been derived within a relativistic extended Thomas-Fermi model and includes gradient corrections to second order in [h bar]. The effective mass and the volume term of the potential energy density have been obtained from a local density approximation to Dirac-Brueckner calculations of nuclear matter carried out with a realistic nucleon-nucleon interaction. This volume term is supplemented by the Coulomb energy and by conventional phenomenological surface and symmetry terms, and the few free parameters of the functional are suitably adjusted. Attention is then focused on the calculation of fission barriers of rotating nuclei and of the complex optical potential for heavy ion collisions at intermediate energies. It turns out that the effects of the density-dependent Dirac spinor which have been incorporated in this approach allow for a reasonable description of the investigated properties.

• OSTI ID: 6699486
• Journal Information: Physical Review, C (Nuclear Physics); (United States), Journal Name: Physical Review, C (Nuclear Physics); (United States) Vol. 47:3; ISSN 0556-2813; ISSN PRVCAN
• Country of Publication: United States
• Language: English

Related Subjects

663120* -- Nuclear Structure Models & Methods-- (1992-)
663450 -- Heavy-Ion-Induced Reactions & Scattering-- (1992-)
663470 -- Fission-- (1992-)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ATOMIC MODELS
BARYON-BARYON INTERACTIONS
CALCULATION METHODS
CHARGED-PARTICLE REACTIONS
ENERGY RANGE
FISSION
HADRON-HADRON INTERACTIONS
HEAVY ION REACTIONS
INTERACTIONS
MATHEMATICAL MODELS
MATTER
NUCLEAR MATTER
NUCLEAR REACTIONS
NUCLEON-NUCLEON INTERACTIONS
PARTICLE INTERACTIONS
RELATIVISTIC RANGE
THOMAS-FERMI MODEL