A theoretical study of energy spectra and two-neutron separation energies of 106–122Cd isotopes in the transitional region of IBM

In this paper, by using a transitional interacting boson model Hamiltonian, which is based on affine SU (1,1) Lie algebra, the evolution from spherical to deformed shapes along the chain of Cd isotopes, describing at the same time the excitation energies, B ( E 2) transition rates as well as the two...

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Bibliographic Details
Published in:European physical journal plus 2014-06, Vol.129 (6), p.138, Article 138
Main Author: Sabri, H.
Format: Article
Language:English
Subjects:
Applied and Technical Physics
Atomic
Complex Systems
Condensed Matter Physics
Energy spectra
Excitation
Hamiltonian functions
Isotopes
Lie groups
Mathematical and Computational Physics
Molecular
Optical and Plasma Physics
Phase transitions
Physics
Physics and Astronomy
Regular Article
Separation
Theoretical
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Summary:In this paper, by using a transitional interacting boson model Hamiltonian, which is based on affine SU (1,1) Lie algebra, the evolution from spherical to deformed shapes along the chain of Cd isotopes, describing at the same time the excitation energies, B ( E 2) transition rates as well as the two-neutron separation energies, can be rather well reproduced. The interplay between phase transitions and configuration mixing of intruder excitations in this mass region is succinctly addressed and it also proposes 114 Cd and 122 Cd isotopes as the best candidates for E (5) critical symmetry.
ISSN:2190-5444
2190-5444
DOI:10.1140/epjp/i2014-14138-7