Lifetime measurements of low-lying states in 73Ga and 70,72,74Zn isotopes
- Milanović, Tamara
- Čeliković, Igor T.
- Michelagnoli, Caterina
- de France, G.
- Boso, A
- Braunroth, T
- Clément, E
- Dewald, A
- Georgiev, G
- Ideguchi, E
- Jacquot, B
- Królas, W
- Napoli, D
- Lalović, N
- Lee, K.Y.
- Lemasson, A
- Li, H
- Ljungvall, J
- Navin, A
- Nori, A
- Perez-Vidal, R.
- Rejmund, M
- Ujić, Predrag
- Wilmsen, D
- Yamamoto, Y
- Zielińska, M
Publication date
January 2020
DOI Publisher
Jagiellonian University Journal
Acta Physica Polonica BAbstract
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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