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Title

Spin M1 excitations in deformed nuclei from self-consistent Hartree-Fock plus random-phase approximation

AuthorsSarriguren, Pedro CSIC ORCID; Moya de Guerra, Elvira ORCID; Nojarov, R.
KeywordsMAGNETIC DIPOLE STRENGTH
RARE-EARTH NUCLE
Issue DateAug-1996
PublisherAmerican Physical Society
CitationPHYSICAL REVIEW C 54, 690 (1996)
AbstractWe present a method to study spin magnetic dipole excitations in deformed nuclei within the quasiparticle random phase approximation based on self-consistent Hartree-Fock mean fields and residual interactions derived from the same effective two-body force. We perform a comprehensive study covering different Skyrme forces and various mass regions, and discussing the role of the mean field and of the residual interaction. An overall agreement with experimental data is obtained with the SG2 force. We study the systematics and the deformation dependence of the spin M1 strength distributions of K-pi=1(+) excitations. It is found for the first time that the summed spin MI strength obeys a quadratic dependence on deformation in the two isotope chains studied, Nd-142,Nd-146,Nd-148,Nd-150 and Sm-144,Sm-148,Sm-150,Sm-152,Sm-154.
URIhttp://hdl.handle.net/10261/31771
ISSN0556-2813
Appears in Collections:(CFMAC-IEM) Artículos

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