Self-Consistent Description of Isobaric Analog Resonances in Neutron-Rich Nuclei with Pairing

A self-consistent approach to describing isobaric analog resonances (IAR) in neutron-rich nuclei that involve pairing is developed. The continuum quasiparticle random-phase approximation based on a new modification of the energy density functional proposed by Fayans and his coauthors is used for thi...

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Bibliographic Details
Published in:Physics of atomic nuclei 2019-11, Vol.82 (6), p.560-572
Main Authors: Borzov, I. N., Tolokonnikov, S. V.
Format: Article
Language:English
Subjects:
Analysis
Flux density
Lead isotopes
Nuclear energy
Nuclei
Particle and Nuclear Physics
Physics
Physics and Astronomy
Technology application
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Summary:A self-consistent approach to describing isobaric analog resonances (IAR) in neutron-rich nuclei that involve pairing is developed. The continuum quasiparticle random-phase approximation based on a new modification of the energy density functional proposed by Fayans and his coauthors is used for this purpose. The properties of IAR in heavy calcium, tin, and lead isotopes, including those that are close to doubly magic ones and those that involve developed neutron pairing, are calculated. The results are compared with their counterparts calculated on the basis self-consistent models implemented by employing various relativistic functionals and Skyrme functionals.
ISSN:1063-7788
1562-692X
DOI:10.1134/S106377881906005X