Theoretical study of elastic electron scattering off stable and exotic nuclei

Results for elastic electron scattering by nuclei, calculated with charge densities of Skyrme forces and covariant effective Lagrangians that accurately describe nuclear ground states, are compared against experiment in stable isotopes. Dirac partial-wave calculations are performed with an adapted v...

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Authors: Roca Maza, Xavier, Centelles Aixalà, Mario, Salvat Gavaldà, Francesc, Viñas Gausí, Xavier
Format: article
Status:Published version
Publication Date:2008
Country:España
Institution:Universidad de Barcelona
Repository:Dipòsit Digital de la UB
OAI Identifier:oai:diposit.ub.edu:2445/12226
Online Access:https://hdl.handle.net/2445/12226
Access Level:Open access
Keyword:Estructura nuclear
Reaccions nuclears
Dispersió (Física nuclear)
Electrons
Nuclear structure
Nuclear reactions
Scattering (Physics)
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spelling Theoretical study of elastic electron scattering off stable and exotic nucleiRoca Maza, XavierCentelles Aixalà, MarioSalvat Gavaldà, FrancescViñas Gausí, XavierEstructura nuclearReaccions nuclearsDispersió (Física nuclear)ElectronsNuclear structureNuclear reactionsScattering (Physics)ElectronsResults for elastic electron scattering by nuclei, calculated with charge densities of Skyrme forces and covariant effective Lagrangians that accurately describe nuclear ground states, are compared against experiment in stable isotopes. Dirac partial-wave calculations are performed with an adapted version of the ELSEPA package. Motivated by the fact that studies of electron scattering off exotic nuclei are intended in future facilities in the commissioned GSI and RIKEN upgrades, we survey the theoretical predictions from neutron-deficient to neutron-rich isotopes in the tin and calcium isotopic chains. The charge densities of a covariant interaction that describes the low-energy electromagnetic structure of the nucleon within the Lagrangian of the theory are used to this end. The study is restricted to medium- and heavy-mass nuclei because the charge densities are computed in mean-field approach. Because the experimental analysis of scattering data commonly involves parameterized charge densities, as a surrogate exercise for the yet unexplored exotic nuclei, we fit our calculated mean-field densities with Helm model distributions. This procedure turns out to be helpful to study the neutron-number variation of the scattering observables and allows us to identify correlations of potential interest among some of these observables within the isotopic chains.The American Physical Society2008info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://hdl.handle.net/2445/12226Articles publicats en revistes (Física Quàntica i Astrofísica)reponame:Dipòsit Digital de la UBinstname:Universidad de BarcelonaInglésReproducció digital del document publicat en format paper, proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevC.78.044332Physical Review C, 2008, vol. 78, núm. 4, p. 044332-1-044332-16http://dx.doi.org/10.1103/PhysRevC.78.044332(c) The American Physical Society, 2008info:eu-repo/semantics/openAccessoai:diposit.ub.edu:2445/122262026-05-27T06:46:51Z
dc.title.none.fl_str_mv Theoretical study of elastic electron scattering off stable and exotic nuclei
title Theoretical study of elastic electron scattering off stable and exotic nuclei
spellingShingle Theoretical study of elastic electron scattering off stable and exotic nuclei
Roca Maza, Xavier
Estructura nuclear
Reaccions nuclears
Dispersió (Física nuclear)
Electrons
Nuclear structure
Nuclear reactions
Scattering (Physics)
Electrons
title_short Theoretical study of elastic electron scattering off stable and exotic nuclei
title_full Theoretical study of elastic electron scattering off stable and exotic nuclei
title_fullStr Theoretical study of elastic electron scattering off stable and exotic nuclei
title_full_unstemmed Theoretical study of elastic electron scattering off stable and exotic nuclei
title_sort Theoretical study of elastic electron scattering off stable and exotic nuclei
dc.creator.none.fl_str_mv Roca Maza, Xavier
Centelles Aixalà, Mario
Salvat Gavaldà, Francesc
Viñas Gausí, Xavier
author Roca Maza, Xavier
author_facet Roca Maza, Xavier
Centelles Aixalà, Mario
Salvat Gavaldà, Francesc
Viñas Gausí, Xavier
author_role author
author2 Centelles Aixalà, Mario
Salvat Gavaldà, Francesc
Viñas Gausí, Xavier
author2_role author
author
author
dc.subject.none.fl_str_mv Estructura nuclear
Reaccions nuclears
Dispersió (Física nuclear)
Electrons
Nuclear structure
Nuclear reactions
Scattering (Physics)
Electrons
topic Estructura nuclear
Reaccions nuclears
Dispersió (Física nuclear)
Electrons
Nuclear structure
Nuclear reactions
Scattering (Physics)
Electrons
description Results for elastic electron scattering by nuclei, calculated with charge densities of Skyrme forces and covariant effective Lagrangians that accurately describe nuclear ground states, are compared against experiment in stable isotopes. Dirac partial-wave calculations are performed with an adapted version of the ELSEPA package. Motivated by the fact that studies of electron scattering off exotic nuclei are intended in future facilities in the commissioned GSI and RIKEN upgrades, we survey the theoretical predictions from neutron-deficient to neutron-rich isotopes in the tin and calcium isotopic chains. The charge densities of a covariant interaction that describes the low-energy electromagnetic structure of the nucleon within the Lagrangian of the theory are used to this end. The study is restricted to medium- and heavy-mass nuclei because the charge densities are computed in mean-field approach. Because the experimental analysis of scattering data commonly involves parameterized charge densities, as a surrogate exercise for the yet unexplored exotic nuclei, we fit our calculated mean-field densities with Helm model distributions. This procedure turns out to be helpful to study the neutron-number variation of the scattering observables and allows us to identify correlations of potential interest among some of these observables within the isotopic chains.
publishDate 2008
dc.date.none.fl_str_mv 2008
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv https://hdl.handle.net/2445/12226
url https://hdl.handle.net/2445/12226
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Reproducció digital del document publicat en format paper, proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevC.78.044332
Physical Review C, 2008, vol. 78, núm. 4, p. 044332-1-044332-16
http://dx.doi.org/10.1103/PhysRevC.78.044332
dc.rights.none.fl_str_mv (c) The American Physical Society, 2008
info:eu-repo/semantics/openAccess
rights_invalid_str_mv (c) The American Physical Society, 2008
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv The American Physical Society
publisher.none.fl_str_mv The American Physical Society
dc.source.none.fl_str_mv Articles publicats en revistes (Física Quàntica i Astrofísica)
reponame:Dipòsit Digital de la UB
instname:Universidad de Barcelona
instname_str Universidad de Barcelona
reponame_str Dipòsit Digital de la UB
collection Dipòsit Digital de la UB
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,300724

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