Quadrupole Moments of Highly Deformed Structures in the [Formula presented] Region: Probing the Single-Particle Motion in a Rotating Potential

R. W. Laird, F. G. Kondev, M. A. Riley, D. E. Archer, T. B. Brown, R. M. Clark, M. Devlin, P. Fallon, D. J. Hartley, I. M. Hibbert, D. T. Joss, D. R. LaFosse, P. J. Nolan, N. J. O'Brien, E. S. Paul, J. Pfohl, D. G. Sarantites, R. K. Sheline, S. L. Shepherd, J. SimpsonR. Wadsworth, M. T. Matev, A. V. Afanasjev, J. Dobaczewski, G. A. Lalazissis, W. Nazarewicz, W. Satuła

Research output: Contribution to journalArticlepeer-review

Abstract

The latest generation [Formula presented]-ray detection system, GAMMASPHERE, coupled with the Microball charged-particle detector, has made possible a new class of nuclear lifetime measurement. For the first time differential lifetime measurements free from common systematic errors for over 15 different nuclei ([Formula presented] rotational bands in various isotopes of Ce, Pr, Nd, Pm, and Sm) have been extracted at high spin within a single experiment. This comprehensive study establishes the effective single-particle transition quadrupole moments in the [Formula presented] light rare-earth region. Detailed comparisons are made with theoretical calculations using the self-consistent cranked mean-field theory which convincingly demonstrates the validity of the additivity of single-particle quadrupole moments in this mass region.

Original languageEnglish
Pages (from-to)4
Number of pages1
JournalPhysical Review Letters
Volume88
Issue number15
DOIs
StatePublished - 2002
Externally publishedYes

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