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Lifetimes of triaxial superdeformed states in Lu-163 and Lu-164

Schonwasser, G ; Hubel, H ; Hagemann, GB ; Domscheit, J ; Gorgen, A ; Herskind, B ; Sletten, G ; Wilson, JN ; Napoli, DR and Rossi-Alvarez, C , et al. (2002) In European Physical Journal A. Hadrons and Nuclei 13(3). p.291-296
Abstract
Lifetimes of states in the yrast superdeformed bands of Lu-163 and Lu-164 were determined in a Doppler-shift attenuation-method experiment. From fractional Doppler shifts and line shapes, average transition quadrupole moments, Q(t) = 8.2(-0.6)(+1.0) b and 7.1(-0.6)(+0.5) 1), were deduced for one of the bands in Lu-163 OX -0.6 and Lu-164, respectively. These values are much larger than the quadrupole moment of the normal-deformed yrast band in Yb-163, Q(t) = 4.9(-0.4)(+1.34) b, that was also determined in this experiment. Comparison to cranking calculations indicates that both superdeformed bands correspond to a local potential energy minimum with a pronounced triaxiality, gamma similar to 20degrees.
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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
European Physical Journal A. Hadrons and Nuclei
volume
13
issue
3
pages
291 - 296
publisher
Springer
external identifiers
  • wos:000175495400005
  • scopus:0038821007
ISSN
1434-6001
DOI
10.1007/s10050-002-8758-5
language
English
LU publication?
yes
additional info
The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Nuclear Physics (Faculty of Science) (011013004), Mathematical Physics (Faculty of Technology) (011040002)
id
341a3a22-88e4-416d-a315-7ab1d9c0e7bd (old id 338294)
date added to LUP
2016-04-01 17:10:05
date last changed
2022-01-29 00:50:04
@article{341a3a22-88e4-416d-a315-7ab1d9c0e7bd,
  abstract     = {{Lifetimes of states in the yrast superdeformed bands of Lu-163 and Lu-164 were determined in a Doppler-shift attenuation-method experiment. From fractional Doppler shifts and line shapes, average transition quadrupole moments, Q(t) = 8.2(-0.6)(+1.0) b and 7.1(-0.6)(+0.5) 1), were deduced for one of the bands in Lu-163 OX -0.6 and Lu-164, respectively. These values are much larger than the quadrupole moment of the normal-deformed yrast band in Yb-163, Q(t) = 4.9(-0.4)(+1.34) b, that was also determined in this experiment. Comparison to cranking calculations indicates that both superdeformed bands correspond to a local potential energy minimum with a pronounced triaxiality, gamma similar to 20degrees.}},
  author       = {{Schonwasser, G and Hubel, H and Hagemann, GB and Domscheit, J and Gorgen, A and Herskind, B and Sletten, G and Wilson, JN and Napoli, DR and Rossi-Alvarez, C and Bazzacco, D and Bengtsson, Ragnar and Ryde, Hans and Tjom, PO and Odegard, SW}},
  issn         = {{1434-6001}},
  language     = {{eng}},
  number       = {{3}},
  pages        = {{291--296}},
  publisher    = {{Springer}},
  series       = {{European Physical Journal A. Hadrons and Nuclei}},
  title        = {{Lifetimes of triaxial superdeformed states in Lu-163 and Lu-164}},
  url          = {{http://dx.doi.org/10.1007/s10050-002-8758-5}},
  doi          = {{10.1007/s10050-002-8758-5}},
  volume       = {{13}},
  year         = {{2002}},
}