Open AccessThe N=90 transitional nuclei {sup 150}Nd and {sup 152}Sm revisited
Author(s) -
R. M. Clark,
M. Cromaz,
Deleplanque M.A.,
R. M. Diamond,
P. Fallon,
A. Görgen,
I.Y. Yee,
A. O. Macchiavelli,
F. S. Stephens,
D. Ward
Publication year - 2003
Language(s) - English
Resource type - Reports
DOI - 10.2172/816355
Subject(s) - excited state , atomic physics , coupling (piping) , physics , materials science , metallurgy
The purpose of this paper is to show that recent data on the ground-state band and excited states based on the 0{sub 2}{sup +} level in {sup 15}Nd and {sup 152}Sm, especially the measured B(E2) values, can be well described by including a {Delta}K = 0 coupling between rotational bands. This is contrary to recent statements in the literature. The experimental data are compared with models which have supported the widely differing interpretations of these transitional nuclei. These interpretations include describing excited states as rotational excitations of single-phonon states, the multiphonon ''phase coexistence'' picture, and the X(5) critical-point description