title: B(E2) values in 150Nd and the critical point symmetry X(5).
abstract: 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.
authors.affiliation: A. W. Wright Nuclear Structure Laboratory, Yale University, New Haven, Connecticut 06520, USA.
authors.forename: R
authors.initials: R
authors.lastname: Krücken
authors.forename: B
authors.initials: B
authors.lastname: Albanna
authors.forename: C
authors.initials: C
authors.lastname: Bialik
authors.forename: R F
authors.initials: RF
authors.lastname: Casten
authors.forename: J R
authors.initials: JR
authors.lastname: Cooper
authors.forename: A
authors.initials: A
authors.lastname: Dewald
authors.forename: N V
authors.initials: NV
authors.lastname: Zamfir
authors.forename: C J
authors.initials: CJ
authors.lastname: Barton
authors.forename: C W
authors.initials: CW
authors.lastname: Beausang
authors.forename: M A
authors.initials: MA
authors.lastname: Caprio
authors.forename: A A
authors.initials: AA
authors.lastname: Hecht
authors.forename: T
authors.initials: T
authors.lastname: Klug
authors.forename: J R
authors.initials: JR
authors.lastname: Novak
authors.forename: N
authors.initials: N
authors.lastname: Pietralla
authors.forename: P
authors.initials: P
authors.lastname: Von Brentano