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Phys Rev Lett. 2002 Apr 15;88(15):152501. doi: 10.1103/PhysRevLett.88.152501. Epub 2002 Mar 27.

Quadrupole moments of highly deformed structures in the A approximately 135 region: probing the single-particle motion in a rotating potential.

Physical review letters

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

Affiliations

  1. Department of Physics, Florida State University, Tallahassee, Florida 32306, USA.

PMID: 11955192 DOI: 10.1103/PhysRevLett.88.152501

Abstract

The latest generation gamma-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 ( >30 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 A approximately 135 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.

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