Beyond-mean-field boson-fermion model for odd-mass nuclei

Nomura, K. and Nikšić, Tamara and Vretenar, Dario (2016) Beyond-mean-field boson-fermion model for odd-mass nuclei. Physical Review C, 93 (5). pp. 54305-7. ISSN 2469-9985

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A novel method for calculating spectroscopic properties of medium-mass and heavy atomic nuclei with an odd number of nucleons is introduced, based on the framework of nuclear energy density functional theory and the particle-core coupling scheme. The deformation energy surface of the even-even core, as well as the spherical single-particle energies and occupation probabilities of the odd particle(s), are obtained in a self-consistent mean-field calculation determined by the choice of the energy density functional and pairing interaction. This method uniquely determines the parameters of the Hamiltonian of the boson core, and only the strength of the particle-core coupling is specifically adjusted to selected data for a particular nucleus. The approach is illustrated in a systematic study of low-energy excitation spectra and transition rates of axially deformed odd-mass Eu isotopes.

Item Type: Article
Date: 2 May 2016
Subjects: NATURAL SCIENCES > Physics
Additional Information: © 2016 American Physical Society. Received 7 March 2016; revised manuscript received 11 April 2016; published 2 May 2016.
Divisions: Faculty of Science > Department of Physics
Publisher: American Physical Society
Depositing User: Gordana Stubičan Ladešić
Date Deposited: 19 May 2016 16:10
Last Modified: 29 Nov 2017 16:50

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