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dc.contributor.authorCentelles Aixalà, Mariocat
dc.contributor.authorViñas Gausí, Xaviercat
dc.contributor.authorPatra, S.
dc.contributor.authorDe, J.
dc.contributor.authorSil, Tapascat
dc.description.abstractUsing the density-dependent Hartree-Fock approximation and Skyrme forces together with the scaling method and constrained Hartree-Fock calculations, we obtain the average energies of the isoscalar giant monopole resonance. The calculations are done along several isotopic chains from the proton to the neutron drip lines. It is found that while approaching the neutron drip line, the scaled and the constrained energies decrease and the resonance width increases. Similar but smaller effects arise near the proton drip line, although only for the lighter isotopic chains. A qualitatively good agreement is found between our sum rule description and the presently existing random phase approximation results. The ability of the semiclassical approximations of the Thomas-Fermi type, which properly describe the average energy of the isoscalar giant monopole resonance for stable nuclei, to predict average properties for nuclei near the drip lines is also analyzed. We show that when hbar corrections are included, the semiclassical estimates reproduce, on average, the quantal excitation energies of the giant monopole resonance for nuclei with extreme isospin values.-
dc.publisherThe American Physical Societycat
dc.relation.isformatofReproducció digital del document publicat en format paper, proporcionada per PROLA i
dc.relation.ispartofPhysical Review C, 2005, vol. 72, núm. 1, p. 014304-1-014304-14cat
dc.rights(c) The American Physical Society, 2005cat
dc.sourceArticles publicats en revistes (Física Quàntica i Astrofísica)-
dc.subject.classificationReaccions nuclearscat
dc.subject.classificationEstructura nuclearcat
dc.subject.otherNuclear reactionseng
dc.subject.otherNuclear structureeng
dc.titleSum rule approach to the isoscalar giant monopole resonance in drip line nucleieng
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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