Lifetime Measurements of Low-lying States in $^{73}$Ga and $^{70,72,74}$Zn Isotopes
- Milanović, T.
- Čeliković, I.
- Michelagnoli, C.
- 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.
- Pérez-Vidal, R.
- Rejmund, M.
- Ujić, P.
- Wilmsen, D.
- Yamamoto, Y.
- Zielińska, M.
DOIAbstract
International audienceLifetimes 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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