TEST OF 3-BODY CONTACT SKYRME FORCES WITH SPIN EXCITATIONS IN DEFORMED-NUCLEI

Citation
P. Sarriguren et al., TEST OF 3-BODY CONTACT SKYRME FORCES WITH SPIN EXCITATIONS IN DEFORMED-NUCLEI, ZEITSCHRIFT FUR PHYSIK A-HADRONS AND NUCLEI, 357(2), 1997, pp. 143-147
Citations number
35
Categorie Soggetti
Physics, Nuclear","Physics, Particles & Fields
ISSN journal
09397922
Volume
357
Issue
2
Year of publication
1997
Pages
143 - 147
Database
ISI
SICI code
0939-7922(1997)357:2<143:TO3CSF>2.0.ZU;2-T
Abstract
Experimental data on spin M1 strength distributions in even-even rare- earth nuclei are compared to theoretical results of selfconsistent HFRPA calculations with separable spin-spin residual interactions derive d from the two alternative versions (two-body density-dependent and th ree-body contact terms) of the Skyrme force Sk3. It is shown that the two versions produce quite different spin M1 strength distributions, t hough they generate the same HF mean field. The experimental data favo ur the two-body over the three-body version of the Skyrme interactions Sk1-Sk6.