Nuclear Structure of {sup 231}Ra

Conference · Thu Dec 30 23:00:00 EST 1999

OSTI ID:784291

Boutami, R; Fraile, L M; Borge, M J.G.; Aas, A J; Fogelberg, B; Garcia-Raffi, L M; Grant, I S; Gulda, K; Hagebo, E; Kurcewicz, W; Lopez-Jimenez, M J; Lovhoiden, G; Mach, H; Martinez, T; Rubio, B; Tain, J L; Teijeiro, A G; Tengblad, O; Thorsteinsen, T F

The study of the upper border of the octupole deformation region near A=225, where the octupole deformation vanishes in the presence of a well developed quadrupole field, is of great relevance in order to understand the interplay of octupole and quadrupole collectivities. Within the IS322 collaboration at CERN we carry out a systematic investigation of the heavy Fr - Th nuclei that presently includes {sup 227}Fr, {sup 227,228,229}Ra, {sup 229}Ac and {sup 229,231}Th. The heaviest Ra isotope we have studied so far and in which the fast timing {beta}{gamma}{gamma}(t) method has been applied is {sup 231}Ra.

• Research Organization: Instituto de Estructura de la Materia, Madrid (ES); Dept. of Chemistry, Univ. of Oslo, Oslo (NO); Dept. of Neutron Research, Univ. of Uppsala, Nykoping (SE); Instituto de Fisica Corpuscular, Burjassot (ES); The Schuster Laboratory, Univ. of Manchester, Manchester (GB); Dept. of Physics, Univ. of Warsaw, Warsaw (PL); Dept. of Physics, Univ. of Oslo, Oslo, Norway; EP Division, Geneva, Switzerland; Dept. of Physics, Univ. of Bergen, Bergen (NO)
• Sponsoring Organization: None (US)
• OSTI ID: 784291
• Report Number(s): None; ISBN 1-56396-907-6; ISSN 0094-243X; CODEN APCPCS; ISBN 1-56396-907-6; ISSN 0094-243X; CODEN APCPCS
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BETA-MINUS DECAY
BRANCHING RATIO
ENERGY-LEVEL TRANSITIONS
FRANCIUM 231
HALF-LIFE
NUCLEAR STRUCTURE
OCTUPOLES
QUADRUPOLES
RADIUM 231