Interacting boson fermion-fermion model calculation of the πh

S. Brant, D. Vretenar, A. Ventura

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Abstract

The interacting boson fermion-fermion model is employed in the analysis of the positive-parity doublet bands in 134Pr. It is shown that stable triaxial deformation gives rise to the experimentally observed crossing between the yrast and yrare bands built on the πh11/2⊗vh 11/2 configuration. The collective structure of the yrast band is basically built on the ground-state band of the triaxial core, whereas the collective structure of the yrare band is predominantly based on the y band of the core. The mixing between the two bands increases with angular momentum. A constant energy spacing between the two lowest positive-parity bands is predicted in other odd-odd N=75 nuclei with γ-soft potential energy surfaces.
Original languageEnglish
Article number017304
Pages (from-to)173041 - 173044
Number of pages4
JournalPhysical Review C - Nuclear Physics
Volume69
Issue number1
Publication statusPublished - 2004
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

Cite this

Brant, S., Vretenar, D., & Ventura, A. (2004). Interacting boson fermion-fermion model calculation of the πh. Physical Review C - Nuclear Physics, 69(1), 173041 - 173044. [017304].