Shell model calculations for heavy deformed nuclei

The pseudo SU(3) model is shown to be a powerful scheme for describing the excitation spectra as well asB(E2) andB(M1) transition strengths in heavy deformed nuclei. It is also useful for describing double beta decay amplitudes for transitions from the ground state of an even-even nucleus to the gro...

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Autores principales: Hirsch, J. G., Castaños, Octavio, Hess, Peter O., Civitarese, Enrique Osvaldo, Troltenier, D., Beuschel, T., Draayer, Jerry P., Rompf, D., Sun, Yang
Formato: Articulo
Lenguaje:Español
Publicado: 1998
Materias:
Física
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/139142
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-139142
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Español
topic Física
spellingShingle Física
Hirsch, J. G.
Castaños, Octavio
Hess, Peter O.
Civitarese, Enrique Osvaldo
Troltenier, D.
Beuschel, T.
Draayer, Jerry P.
Rompf, D.
Sun, Yang
Shell model calculations for heavy deformed nuclei
topic_facet Física
description The pseudo SU(3) model is shown to be a powerful scheme for describing the excitation spectra as well asB(E2) andB(M1) transition strengths in heavy deformed nuclei. It is also useful for describing double beta decay amplitudes for transitions from the ground state of an even-even nucleus to the ground and excited states of the daughter nucleus, both for the two and zero neutrino emitting modes. The existence of selection rules which strongly restricts the decays is discussed. Anti-correlations between the quadrupole deformation and the Gamow-Teller (GT+) strength are found in an extension of the pseudo SU(3) model which explicitly includes pairing, which is also able to describe the fragmentation of the scissors mode. The projected shell model is introduced and proposed as an alternate means for studying single and double beta decay processes.
format Articulo
Articulo
author Hirsch, J. G.
Castaños, Octavio
Hess, Peter O.
Civitarese, Enrique Osvaldo
Troltenier, D.
Beuschel, T.
Draayer, Jerry P.
Rompf, D.
Sun, Yang
author_facet Hirsch, J. G.
Castaños, Octavio
Hess, Peter O.
Civitarese, Enrique Osvaldo
Troltenier, D.
Beuschel, T.
Draayer, Jerry P.
Rompf, D.
Sun, Yang
author_sort Hirsch, J. G.
title Shell model calculations for heavy deformed nuclei
title_short Shell model calculations for heavy deformed nuclei
title_full Shell model calculations for heavy deformed nuclei
title_fullStr Shell model calculations for heavy deformed nuclei
title_full_unstemmed Shell model calculations for heavy deformed nuclei
title_sort shell model calculations for heavy deformed nuclei
publishDate 1998
url http://sedici.unlp.edu.ar/handle/10915/139142
work_keys_str_mv AT hirschjg shellmodelcalculationsforheavydeformednuclei
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AT draayerjerryp shellmodelcalculationsforheavydeformednuclei
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