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. Simpson
  • R. 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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