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Lifetime measurements of low-lying states in 73Ga and 70,72,74Zn isotopes

Milanović, T. ; Čeliković, I. ; Michelagnoli, C. ; De France, G. ; Boso, A. ; Braunroth, T. ; Clément, E. ; Dewald, A. ; Georgiev, G. and Ideguchi, E. , et al. (2020) In Acta Physica Polonica B 51(3). p.837-842
Abstract

Lifetimes of low-lying states in 73Ga and 70,72,74Zn were measured using the Recoil Distance Doppler Shift (RDDS) method. These nuclei were produced in deep-inelastic reactions in inverse kinematics with a 208Pb beam impinging on a 76Ge target. Prompt γ rays were detected using the AGATA tracking array coupled to the VAMOS++ spectrometer. Lifetime of the 5/2- state in 73Ga, measured for the first time, provides additional evidence for the existence of a 1/2-, 3/2- ground-state doublet. The lifetimes of the 4+ states in 70,72,74Zn were remeasured in an attempt to understand the discrepancies observed between earlier measurements.... (More)

Lifetimes of low-lying states in 73Ga and 70,72,74Zn were measured using the Recoil Distance Doppler Shift (RDDS) method. These nuclei were produced in deep-inelastic reactions in inverse kinematics with a 208Pb beam impinging on a 76Ge target. Prompt γ rays were detected using the AGATA tracking array coupled to the VAMOS++ spectrometer. Lifetime of the 5/2- state in 73Ga, measured for the first time, provides additional evidence for the existence of a 1/2-, 3/2- ground-state doublet. The lifetimes of the 4+ states in 70,72,74Zn were remeasured in an attempt to understand the discrepancies observed between earlier measurements. Our results are in agreement with those of previous plunger experiments.

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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Acta Physica Polonica B
volume
51
issue
3
pages
6 pages
publisher
Jagellonian University, Cracow, Poland
external identifiers
  • scopus:85085500120
ISSN
0587-4254
DOI
10.5506/APhysPolB.51.837
language
English
LU publication?
yes
id
9e74e0b9-4396-44e7-9423-f81ec4d3a479
date added to LUP
2020-06-22 14:19:08
date last changed
2020-06-23 03:24:31
@article{9e74e0b9-4396-44e7-9423-f81ec4d3a479,
  abstract     = {<p>Lifetimes of low-lying states in <sup>73</sup>Ga and <sup>70,72,74</sup>Zn were measured using the Recoil Distance Doppler Shift (RDDS) method. These nuclei were produced in deep-inelastic reactions in inverse kinematics with a <sup>208</sup>Pb beam impinging on a <sup>76</sup>Ge target. Prompt γ rays were detected using the AGATA tracking array coupled to the VAMOS++ spectrometer. Lifetime of the 5/2<sup>-</sup> state in <sup>73</sup>Ga, measured for the first time, provides additional evidence for the existence of a 1/2<sup>-</sup>, 3/2<sup>-</sup> ground-state doublet. The lifetimes of the 4<sup>+</sup> states in <sup>70,72,74</sup>Zn were remeasured in an attempt to understand the discrepancies observed between earlier measurements. Our results are in agreement with those of previous plunger experiments.</p>},
  author       = {Milanović, T. and Čeliković, I. and Michelagnoli, C. and De France, G. and Boso, A. and Braunroth, T. and Clément, E. and Dewald, A. and Georgiev, G. and Ideguchi, E. and Jacquot, B. and Królas, W. and Napoli, D. and Lalović, N. and Lee, K. Y. and Lemasson, A. and Li, H. and Ljungvall, J. and Navin, A. and Nori, A. and Pérez-Vidal, R. and Rejmund, M. and Ujić, P. and Wilmsen, D. and Yamamoto, Y. and Zielińska, M.},
  issn         = {0587-4254},
  language     = {eng},
  number       = {3},
  pages        = {837--842},
  publisher    = {Jagellonian University, Cracow, Poland},
  series       = {Acta Physica Polonica B},
  title        = {Lifetime measurements of low-lying states in <sup>73</sup>Ga and <sup>70,72,74</sup>Zn isotopes},
  url          = {http://dx.doi.org/10.5506/APhysPolB.51.837},
  doi          = {10.5506/APhysPolB.51.837},
  volume       = {51},
  year         = {2020},
}