dorsal/arxiv
View SchemaTriaxiality, chirality and gamma-softness
| Authors | K. Starosta, M. A. Caprio, T. Koike, R. Kruecken, C. Vaman |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/0504071 |
| URL | https://arxiv.org/abs/nucl-th/0504071 |
| DOI | 10.1556/APH.25.2006.2-4.5 |
| Journal | Acta Phys.Hung. A25 (2006) 181-186 |
Abstract
Current work explores the impact of gamma-softness on partner bands built on the h11/2h11/2 proton-particle-neutron-hole configurations in triaxial odd-odd nuclei. The results of calculations conducted using a core-particle-hole coupling are presented. The model Hamiltonian includes the collective core, the single-particle valence nucleons, and separable quadrupole-quadrupole interactions. The Kerman-Klein method was applied to find eigenstates, which provided a convenient way for exploring core effects. Calculations were made for triaxial cores with various gamma-softness using the General Collective Model keeping the expectation value for the triaxiality parameter fixed at <gamma>=30 deg. The degeneracy in the proton-neutron h11/2h11/2 bands results from the calculations for the gamma-rigid core but is lifted for the gamma-unstable core.
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"abstract": "Current work explores the impact of gamma-softness on partner bands built on\nthe h11/2h11/2 proton-particle-neutron-hole configurations in triaxial odd-odd\nnuclei. The results of calculations conducted using a core-particle-hole\ncoupling are presented. The model Hamiltonian includes the collective core, the\nsingle-particle valence nucleons, and separable quadrupole-quadrupole\ninteractions. The Kerman-Klein method was applied to find eigenstates, which\nprovided a convenient way for exploring core effects. Calculations were made\nfor triaxial cores with various gamma-softness using the General Collective\nModel keeping the expectation value for the triaxiality parameter fixed at\n\u003cgamma\u003e=30 deg. The degeneracy in the proton-neutron h11/2h11/2 bands results\nfrom the calculations for the gamma-rigid core but is lifted for the\ngamma-unstable core.",
"arxiv_id": "nucl-th/0504071",
"authors": [
"K. Starosta",
"M. A. Caprio",
"T. Koike",
"R. Kruecken",
"C. Vaman"
],
"categories": [
"nucl-th"
],
"doi": "10.1556/APH.25.2006.2-4.5",
"journal_ref": "Acta Phys.Hung. A25 (2006) 181-186",
"title": "Triaxiality, chirality and gamma-softness",
"url": "https://arxiv.org/abs/nucl-th/0504071"
},
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