Low-velocity transient-field technique with radioactive ion beams: g factor of the first excited 2$^{+}$ state in $^{72}$Zn
- Illana, A
- Jungclaus, A
- Orlandi, R
- Perea, A
- Bauer, C
- Briz, J A
- Egido, J L
- Gernhäuser, R
- Leske, J
- Mücher, D
- Pakarinen, J
- Pietralla, N
- Rajabali, M
- Rodríguez, T R
- Seiler, D
- Stahl, C
- Voulot, D
- Wenander, F
- Blazhev, A
- De Witte, H
- Reiter, P
- Seidlitz, M
- Siebeck, B
- Vermeulen, M J
- Warr, N
DOIAbstract
The g factor of the first excited 2+ state in 72Zn has been measured using the transient-field (TF) technique in combination with Coulomb excitation in inverse kinematics. This experiment presents only the third successful application of the TF method to a short-lived radioactive beam in 10 y, highlighting the intricacies of applying this technique to present and future isotope separator on-line facilities. The significance of the experimental result, g(21+)=+0.47(14), for establishing the structure of the Zn isotopes near N=40 is discussed on the basis of shell-model and beyond-mean-field calculations, the latter accounting for the triaxial degree of freedom, configuration mixing, and particle number and angular momentum projections
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