Why are the interband transitions among triaxially strongly deformed bands suppressed in even nuclei?

As top-on-top model has made a great success in explaining triaxially strongly deformed (TSD) bands in odd-A nuclei, we extend this model to even-A nuclei, i.e. two particles in different single-particle orbitals outside the triaxial rotor. In the lowest order approximation, the electromagnetic tran...

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Bibliographic Details
Main Authors: Sugawara-Tanabe, Kazuko, Theoretical Nuclear Physics Laboratory, RIKEN Nishina Center, Wako, Saitama 351-0198, Tanabe, Kosai
Format: Conference Proceeding
Language:English
Subjects:
APPROXIMATIONS
BOSONS
CALCULATION METHODS
DEFORMED NUCLEI
ENERGY-LEVEL TRANSITIONS
MAGNETIC MOMENTS
MATHEMATICAL OPERATORS
NUCLEAR PHYSICS AND RADIATION PHYSICS
NUCLEI
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Summary:As top-on-top model has made a great success in explaining triaxially strongly deformed (TSD) bands in odd-A nuclei, we extend this model to even-A nuclei, i.e. two particles in different single-particle orbitals outside the triaxial rotor. In the lowest order approximation, the electromagnetic transitions between TSD bands in even-A case are reduced by a factor of 0.04 compared with odd-A case. It is one of the reasons why TSD bands are not yet explicitly observed in even-A nuclei.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.3584081