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Study of dipole excitations in even-even 156-166Dy with QRPA using the Gogny force

par Péru, S.;Deloncle, Isabelle;Hilaire, Stéphane;Goriely, Stéphane ;Martini, Marco
Référence European Physical Journal A. Hadrons and Nuclei, 55, 12, 232
Publication Publié, 2019-12-01

Article révisé par les pairs

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Résumé :

The success encountered in the systematic studies of the electric and magnetic strength functions for almost all even-even nuclei proves the quality of our HFB+QRPA calculations which use the Gogny interaction within the whole nuclear chart. In this paper, we study the dipole electromagnetic strength distribution in 158-166Dy. The scalar or the vector nature, in the isospin as well as in the spin space, is analysed according to transition density for some of the M1 excitations in 162Dy.