B(E2) values in 150Nd and the critical point symmetry X(5).

Krücken, R; Albanna, B; Bialik, C; Casten, R F; Cooper, J R; Dewald, A; Zamfir, N V; Barton, C J; Beausang, C W; Caprio, M A; Hecht, A A; Klug, T; Novak, J R; Pietralla, N; Von Brentano, P

Krücken, R; Albanna, B; Bialik, C; Casten, R F; Cooper, J R; Dewald, A; Zamfir, N V; Barton, C J; Beausang, C W; Caprio, M A; Hecht, A A; Klug, T; Novak, J R; Pietralla, N; Von Brentano, P.

Afiliación

Krücken R; A. W. Wright Nuclear Structure Laboratory, Yale University, New Haven, Connecticut 06520, USA.

Phys Rev Lett ; 88(23): 232501, 2002 Jun 10.

Article en En | MEDLINE | ID: mdl-12059359

RESUMEN

Lifetimes of states in 150Nd were measured using the recoil distance method following Coulomb excitation of 150Nd by a 132 MeV 32S beam. The experiment was performed at the Yale Tandem accelerator, employing the SPEEDY gamma-ray detector array and the New Yale Plunger Device. Reduced transition probabilities in 150Nd are compared to the predictions of the critical point symmetry X(5) of the phase/shape transition that occurs for the N = 90 rare earth isotones. Very good agreement was observed between the parameter-free (apart from scale) X(5) predictions and the low-spin level scheme of 150Nd, revealing this as the best case thus far for the realization of the X(5) symmetry.

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Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2002 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos

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