Volume 86, Number 5, June 2009
|Number of page(s)||6|
|Published online||22 June 2009|
Manifestation of three-body forces in -shell nuclei
Department of Physics, Florida State University - Tallahassee, FL 32306-4350, USA
Corresponding author: firstname.lastname@example.org
Accepted: 22 May 2009
The traditional nuclear shell model approach is extended to include many-body forces. The empirical Hamiltonian with a three-body force is constructed for the identical nucleons on the shell. Manifestations of the three-body force in spectra, binding energies, seniority mixing, particle-hole symmetry, electromagnetic and particle transition rates are investigated. It is shown that in addition to the usual expansion of the valence space within the tranditional two-body shell model, the three-body component in the Hamiltonian can be an important part improving the quality of the theoretical approach.
PACS: 21.45.Ff – Three-nucleon forces / 21.60.Cs – Shell model / 21.30.-x – Nuclear forces
© EPLA, 2009
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