The isovector dipole strength in nuclei with extreme neutron excess

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dc.creatorArteaga, Daniel Pena
dc.creatorKhan, E.
dc.creatorRing, Peter
dc.date2008-12-10
dc.date.accessioned2026-07-07T12:11:41Z
dc.date.available2026-07-07T12:11:41Z
dc.descriptionThe E1 strength is systematically analyzed in very neutron-rich Sn nuclei, beyond $^{132}$Sn until $^{166}$Sn, within the Relativistic Quasiparticle Random Phase Approximation. The great neutron excess favors the appearance of a deformed ground state for $^{142-162}$Sn. The evolution of the low-lying strength in deformed nuclei is determined by the interplay of two factors, isospin asymmetry and deformation: while greater neutron excess increases the total low-lying strength, deformation hinders and spreads it. Very neutron rich deformed nuclei may not be as good candidates as stable spherical nuclei like $^{132}$Sn for the experimental study of low-lying E1 strength.
dc.identifierhttps://arxiv.org/abs/0812.1952
dc.identifierhttp://arxiv.org/abs/0812.1952
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/210298
dc.subjectNuclear Theory
dc.titleThe isovector dipole strength in nuclei with extreme neutron excess
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