Maqola

<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi mathvariant="italic">B</mml:mi><mml:mo>(</mml:mo><mml:mi mathvariant="italic">E</mml:mi><mml:mn>2</mml:mn><mml:mn/><mml:mo>)</mml:mo></mml:math>Values in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>N</mml:mi></mml:mrow><mml:mprescripts/><mml:mrow/><mml:mrow><mml:mn>150</mml:mn></mml:mrow><mml:mrow/><mml:mrow/></mml:mmultiscripts></mml:mrow><mml:mi>d</mml:mi></mml:math>and the Critical Point Symmetry X(5)

R. KrückenA. W. Wright Nuclear Structure Laboratory, Yale University, New Haven, Connecticut 06520, USABadr F. AlbannaA. W. Wright Nuclear Structure Laboratory, Yale University, New Haven, Connecticut 06520C. BialikA. W. Wright Nuclear Structure Laboratory, Yale University, New Haven, Connecticut 06520R. F. CastenA. W. Wright Nuclear Structure Laboratory, Yale University, New Haven, Connecticut 06520J. R. CooperA. W. Wright Nuclear Structure Laboratory, Yale University, New Haven, Connecticut 06520Α. DewaldInstitut für Kernphysik, Universität zu Köln, 50937 Köln, GermanyN. V. ZamfirClark University, Worcester, Massachusetts 01610C. J. BartonA. W. Wright Nuclear Structure Laboratory, Yale University, New Haven, Connecticut 06520C. W. BeausangA. W. Wright Nuclear Structure Laboratory, Yale University, New Haven, Connecticut 06520M. A. CaprioA. W. Wright Nuclear Structure Laboratory, Yale University, New Haven, Connecticut 06520A. A. HechtA. W. Wright Nuclear Structure Laboratory, Yale University, New Haven, Connecticut 06520T. KlugInstitut für Kernphysik, Universität zu Köln, 50937 Köln, GermanyJ. R. NovakA. W. Wright Nuclear Structure Laboratory, Yale University, New Haven, Connecticut 06520N. PietrallaA. W. Wright Nuclear Structure Laboratory, Yale University, New Haven, Connecticut 06520P. von BrentanoInstitut für Kernphysik, Universität zu Köln, 50937 Köln, Germany

2002lv

ABI

Annotatsiya

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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DOI: 10.1103/physrevlett.88.232501

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