Shape Changes Induced by Quasiparticle Alignment

Conference · Fri Dec 31 04:00:00 EST 1999

OSTI ID:784516

Algora, A; Angelis, G de; Brandolini, F; Wyss, R; Fahlander, C; Gadea, A; Farnea, E; Gelletly, W; Aprahamian, A; Bazzacco, D; Becker, F; Bizzeti, P G; Bizzeti-Sona, A; Acuna, D de; Poli, M De; Eberth, J; Foltescu, D; Lenzi, S M; Lunardi, S; Martinez, T ; Napoli, D R; Pavan, P; Petrache, C M; Alvarez, C Rossi; Rudolph, D; Rubio, B; Satula, W; Skoda, S; Spolaore, P; Thomas, H G; Ur, C A

Mean lifetimes of high-spin states of {sup 74}Kr have been determined using the Doppler shift attenuation method (DSAM). The high-spin states were studied using the {sup 40}Ca({sup 40}Ca,{alpha}2p) reaction at a beam energy of 160 MeV with the GASP array. The investigated ground state band and negative parity side band show the presence of three different configurations in terms of transitional quadrupole deformations. The deduced quadrupole deformation changes are well reproduced by cranked Woods-Saxon Strutinsky calculations.

• Research Organization: Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro, Legnaro (IT); Institute of Nuclear Research of the Hungarian Academy of Sciences, Debrecen (HU); Dipartimento di Fisica dell'Universita and Istituto Nazionale di Fisica Nucleare, Sezione di Padova, Padova (IT); KTH-Kaernfysik, Stockholm (SE); Instituto de Fisica Corpuscular, Valencia (ES); Department of Physics, University of Surrey, Guildford (GB); Department of Physics, University of Notre Dame, Notre Dame (USA); Institut fuer Kernphysik, Universitaet zu Koeln (Germany); Dipartimento di Fisica dell'Universita and Istituto Nazionale di Fisica Nucleare, Sezione di Firenze, Firenze (IT); Sektion Physik, Ludwig-Mazimilians Universitaet Muenchen, Garching (Germany); Institute of Theoretical Physics, University of Warsaw, Warsaw (PL)
• Sponsoring Organization: none (US)
• OSTI ID: 784516
• 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
CALCIUM 40
CRANKING MODEL
DSA METHOD
GROUND STATES
HEAVY ION REACTIONS
HIGH SPIN STATES
KRYPTON 74
LIFETIME
NUCLEAR DEFORMATION
PARITY
QUADRUPOLE MOMENTS
QUADRUPOLES
SHAPE
STRUTINSKY THEORY
WOODS-SAXON POTENTIAL