dorsal/arxiv
View SchemaGamow-Teller strength distributions in Xe isotopes
| Authors | O. Moreno, R. Alvarez-Rodriguez, P. Sarriguren, E. Moya de Guerra, J. M. Udias, J. R. Vignote |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/0610064 |
| URL | https://arxiv.org/abs/nucl-th/0610064 |
| DOI | 10.1103/PhysRevC.74.054308 |
| Journal | Phys.Rev. C74 (2006) 054308 |
Abstract
The energy distributions of the Gamow-Teller strength are studied for even-even Xe isotopes with mass numbers from 124 to 142. A self-consistent microscopic formalism is used to generate the single particle basis, using a deformed Skyrme Hartree-Fock mean field with pairing correlations in BCS approximation. The Gamow-Teller transitions are obtained within a quasiparticle random phase approximation (QRPA) approach using a residual spin-isospin interaction in the particle-hole and particle-particle channels. We then discuss the pairing BCS treatment and the determination of the ph and pp residual interaction coupling constants. We study the GT+ and GT- strength distributions for the equilibrium nuclear shapes, which are an essential information for studies of charge-exchange reactions and double-beta processes involving these isotopes.
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"abstract": "The energy distributions of the Gamow-Teller strength are studied for\neven-even Xe isotopes with mass numbers from 124 to 142. A self-consistent\nmicroscopic formalism is used to generate the single particle basis, using a\ndeformed Skyrme Hartree-Fock mean field with pairing correlations in BCS\napproximation. The Gamow-Teller transitions are obtained within a quasiparticle\nrandom phase approximation (QRPA) approach using a residual spin-isospin\ninteraction in the particle-hole and particle-particle channels. We then\ndiscuss the pairing BCS treatment and the determination of the ph and pp\nresidual interaction coupling constants. We study the GT+ and GT- strength\ndistributions for the equilibrium nuclear shapes, which are an essential\ninformation for studies of charge-exchange reactions and double-beta processes\ninvolving these isotopes.",
"arxiv_id": "nucl-th/0610064",
"authors": [
"O. Moreno",
"R. Alvarez-Rodriguez",
"P. Sarriguren",
"E. Moya de Guerra",
"J. M. Udias",
"J. R. Vignote"
],
"categories": [
"nucl-th"
],
"doi": "10.1103/PhysRevC.74.054308",
"journal_ref": "Phys.Rev. C74 (2006) 054308",
"title": "Gamow-Teller strength distributions in Xe isotopes",
"url": "https://arxiv.org/abs/nucl-th/0610064"
},
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