Lowest lying 2{sup +} and 3{sup -} vibrational states in Pb, Sn, and Ni isotopes in relativistic quasiparticle random-phase approximation
- Institute of Physics, Sainik School Post Office, Bhubaneswar 751 005 (India)
The excitation energies and electric multipole decay rates of the lowest lying 2{sup +} and 3{sup -} vibrational states in Pb, Sn, and Ni nuclei are calculated following relativistic quasiparticle random-phase approximation formalism based on the relativistic Hartree-Bogoliubov mean field. Two sets of Lagrangian parameters, NL1 and NL3, are used to investigate the effect of the nuclear force. Overall there is good agreement with the available experimental data for a wide range of mass numbers considered here, and the NL3 set seems to be a better choice. However, strictly speaking, these studies point toward the need of a new set of force parameters that could produce more realistic single-particle levels, at least in vicinity of the Fermi surface, of a wide range of nuclear masses.
- OSTI ID:
- 20864029
- Journal Information:
- Physical Review. C, Nuclear Physics, Vol. 74, Issue 5; Other Information: DOI: 10.1103/PhysRevC.74.054313; (c) 2006 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0556-2813
- Country of Publication:
- United States
- Language:
- English
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