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Transition strengths and band terminations in Zr-86

Wiedeking, M.; Tabor, S.L.; Ragnarsson, Ingemar LU and al., et (2003) In Physical Review C: covering nuclear physics 67. p.1-034320
Abstract
High angular momentum states in Zr-86 were populated through the Ni-58(S-32,4p) reaction at 135 MeV using the 88-In. Cyclotron at Lawrence Berkeley National Laboratory. Recoiling Zr-86 nuclei were stopped in a thick Ta backing. Prompt multi-gamma coincidences with evaporated charged particles were detected using the full array of GAMMASPHERE and the MICROBALL. Mean lifetimes of 36 levels in Zr-86 were measured using the Doppler-shift attenuation method. Transition quadrupole moments Q(t) were found in the range of about 0.3-1.5 e b in the positive-parity bands. The negative-parity bands show Q(t) values from about 0.25 to 1.2 e b. In the yrast positive-parity band, a sharp drop in collectivity approaching the 30(+) state supports the... (More)
High angular momentum states in Zr-86 were populated through the Ni-58(S-32,4p) reaction at 135 MeV using the 88-In. Cyclotron at Lawrence Berkeley National Laboratory. Recoiling Zr-86 nuclei were stopped in a thick Ta backing. Prompt multi-gamma coincidences with evaporated charged particles were detected using the full array of GAMMASPHERE and the MICROBALL. Mean lifetimes of 36 levels in Zr-86 were measured using the Doppler-shift attenuation method. Transition quadrupole moments Q(t) were found in the range of about 0.3-1.5 e b in the positive-parity bands. The negative-parity bands show Q(t) values from about 0.25 to 1.2 e b. In the yrast positive-parity band, a sharp drop in collectivity approaching the 30(+) state supports the interpretation of band termination in this configuration. Decreasing Q(t) values approaching the 24(+) and 27(-) states also provide an indication of terminating structures. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Physical Review C: covering nuclear physics
volume
67
pages
1 - 034320
publisher
American Physical Society
external identifiers
  • WOS:000182032000029
DOI
10.1103/PhysRevC.67.034320
language
English
LU publication?
yes
id
293f6704-447e-4c52-85f6-1eea7f19df97 (old id 700068)
date added to LUP
2007-12-06 10:52:09
date last changed
2016-04-16 08:44:31
@misc{293f6704-447e-4c52-85f6-1eea7f19df97,
  abstract     = {High angular momentum states in Zr-86 were populated through the Ni-58(S-32,4p) reaction at 135 MeV using the 88-In. Cyclotron at Lawrence Berkeley National Laboratory. Recoiling Zr-86 nuclei were stopped in a thick Ta backing. Prompt multi-gamma coincidences with evaporated charged particles were detected using the full array of GAMMASPHERE and the MICROBALL. Mean lifetimes of 36 levels in Zr-86 were measured using the Doppler-shift attenuation method. Transition quadrupole moments Q(t) were found in the range of about 0.3-1.5 e b in the positive-parity bands. The negative-parity bands show Q(t) values from about 0.25 to 1.2 e b. In the yrast positive-parity band, a sharp drop in collectivity approaching the 30(+) state supports the interpretation of band termination in this configuration. Decreasing Q(t) values approaching the 24(+) and 27(-) states also provide an indication of terminating structures.},
  author       = {Wiedeking, M. and Tabor, S.L. and Ragnarsson, Ingemar and al., et},
  language     = {eng},
  pages        = {1--034320},
  publisher    = {ARRAY(0x821f458)},
  series       = {	Physical Review C: covering nuclear physics},
  title        = {Transition strengths and band terminations in Zr-86},
  url          = {http://dx.doi.org/10.1103/PhysRevC.67.034320},
  volume       = {67},
  year         = {2003},
}