 |
Journal articles
Lifetimes in the yrast and an octupole-vibrational superdeformed band in $^{196}$Pb
D. Rossbach
A. Goergen
H. Huebel
E. Mergel
G. Schoenwasser
F. Azaiez
1
C. Bourgeois
1
F. Hannachi
2
A. Korichi
2
A. Lopez-Martens
2
A. Astier
3
N. Buforn
3
N. Redon
3
O. Stézowski
3
D. Bazzacco
T. Kroell
C. Rossi-Alvarez
K. Hauschild
W. Korten
R. Lucas
H.J. Maier
P. Reiter
P.G. Thirolf
A.N. Wilson
A. Korichi 2
Author
A. Lopez-Martens 2
Author
A. Astier 3
Author IdHAL : alain-astier
N. Buforn 3
Author
1
IPNO - Institut de Physique Nucléaire d'Orsay (IPN - 15, rue Georges Clemenceau - 91406 ORSAY CEDEX - France)
- UP11 - Université Paris-Sud - Paris 11 (Bâtiment 300 - 91405 Orsay cedex - France)
- IN2P3 - Institut National de Physique Nucléaire et de Physique des Particules du CNRS (France)
- CNRS - Centre National de la Recherche Scientifique : UMR8608 (France)
2
CSNSM - Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse (batiments 104 et 108 - 91405 Orsay Campus - France)
- UP11 - Université Paris-Sud - Paris 11 (Bâtiment 300 - 91405 Orsay cedex - France)
- IN2P3 - Institut National de Physique Nucléaire et de Physique des Particules du CNRS (France)
- CNRS - Centre National de la Recherche Scientifique : UMR8609 (France)
3
IPNL - Institut de Physique Nucléaire de Lyon (Campus LyonTech-la Doua
Bâtiment Paul DIRAC
4 Rue Enrico Fermi
69622 Villeurbanne Cedex - France)
- UCBL - Université Claude Bernard Lyon 1 (43, boulevard du 11 novembre 1918, 69622 Villeurbanne cedex - France)
- Université de Lyon (92 rue Pasteur - CS 30122, 69361 Lyon Cedex 07 - France)
- IN2P3 - Institut National de Physique Nucléaire et de Physique des Particules du CNRS (France)
- CNRS - Centre National de la Recherche Scientifique : UMR5822 (France)
Abstract : Lifetimes have been measured for states in the yrast (band 1) and an excited superdeformed band (band 2) in Pb-196. The excited band is thought to be built on an octupole vibration, rather than a quasiparticle excitation. Centroid shifts and line shapes of transitions in gamma-ray coincidence spectra measured with the EUROBALL spectrometer have been analyzed. The transition quadrupole moments deduced from these data for the yrast and the excited superdeformed band are identical within the experimental uncertainties. This result shows that the excited band is not built on different deformation-driving orbitals compared to band 1. It is compatible with the previous suggestion of an octupole-vibrational excitation for the signature partner bands 2 and 3.
Document type :
Journal articles
Domain :
Complete list of metadata
http://hal.in2p3.fr/in2p3-00011965
Contributor : Suzanne Robert <>
Submitted on : Tuesday, October 15, 2002 - 3:58:18 PM
Last modification on : Friday, November 20, 2020 - 9:46:03 AM
Contributor : Suzanne Robert <>
Submitted on : Tuesday, October 15, 2002 - 3:58:18 PM
Last modification on : Friday, November 20, 2020 - 9:46:03 AM
Identifiers
- HAL Id : in2p3-00011965, version 1
- DOI : 10.1103/PhysRevC.66.024316
Citation
D. Rossbach, A. Goergen, H. Huebel, E. Mergel, G. Schoenwasser, et al.. Lifetimes in the yrast and an octupole-vibrational superdeformed band in $^{196}$Pb. Physical Review C, American Physical Society, 2002, 66, pp.024316-1-024316-6. ⟨10.1103/PhysRevC.66.024316⟩. ⟨in2p3-00011965⟩
Metrics
Record views