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HfAlayed, B.*; Page, R. D.*; Joss, D. T.*; Uusitalo, J.*; Qi, C.*; Briscoe, A. D.*; AlAqeel, M. A. M.*; Andel, B.*; Antalic, S.*; Auranen, K.*; et al.
Physical Review C, 110(3), p.034303_1 - 034303_9, 2024/09
Excited states in the neutron-deficient nuclide Hf have been investigated in experiments performed at the Accelerator Laboratory of the University of Jyvaskyla.
Illana, A.*; Perea, A.*; N
cher, E.*; Orlandi, R.; Jungclaus, A.*
Nuclear Instruments and Methods in Physics Research A, 785, p.47 - 54, 2015/06
被引用回数：1 パーセンタイル：8.76(Instruments & Instrumentation)This article describes the development of a chamber to measure the magnetic moments of excited states of fast radioactive ions. The measurement consists of an integrated perturbed angular correlation. The radioactive ions experience a strong transient field when crossing a gadolinium backing magnetized by an external magnetic field, and cooled via thermal contact with a liquid nitrogen circuit. The chamber was already employed successfully at REX-ISOLDE, CERN, to measure the g-factor of the 2
state in 
Zn.
Ni; Spectroscopy of the N=49 isotope 
ZnOrlandi, R.; M
cher, D.*; Raabe, R.*; Jungclaus, A.*; Pain, S. D.*; Bildstein, V.*; Chapman, R.*; De Angelis, G.*; Johansen, J. G.*; Van Duppen, P.*; et al.
Physics Letters B, 740, p.298 - 302, 2015/01
被引用回数：29 パーセンタイル：84.54(Astronomy & Astrophysics)Single-neutron states in Zn have been populated using the reaction Zn(d,p) at REX-Isolde, CERN. The analysis reveals that the lowest excited states in Zn lie at approximately 1 MeV, and involve neutron orbits above the N=50 shell gap. A 5/2 configuration was assigned to the 983-keV state. Comparison with large-scale shell model calculations supports a robust neutron N=50 shell closure for Ni. These data constitute an important step towards the understanding the magicity of Ni and the structure of nuclei in the region.
factor of the first excited 
state in ZnIllana, A.*; Jungclaus, A.*; Orlandi, R.; Perea, A.*; Bauer, C.*; Briz, J. A.*; Egido, J. L.*; Gernh
user, R.*; Leske, J.*; Mcher, D.*; et al.
Physical Review C, 89(5), p.054316_1 - 054316_11, 2014/05
被引用回数：11 パーセンタイル：57.28(Physics, Nuclear)The factor of the first excited state in Zn was measured using the transient-field technique in combination with Coulomb excitation. The experiment was ran at REX-ISOLDE, CERN, and the 
-ray perturbed angular correlations were measured using 4 triple Germanium clusters of the Miniball array. The experimental result (2
) = +0.47(14) is significant to establish the structure of the Zn isotopes near N=40. Comparison with shell-model calculations reveal that to reproduce the measured energies and B(E2) of the Zn isotopes around N=40, both the proton excitations from the 
orbit and neutron excitations into the 
and 
orbits are essential. Furthermore, beyond-mean-field calculations reveal the need to include the triaxial degree of freedom.
Zn and the structure of NiOrlandi, R.; Mcher, D.*; Raabe, R.*; Jungclaus, A.*; Pain, S. D.*; Bildstein, V.*; Chapman, R.*; De Angelis, G.*; Johansen, J. G.*; Van Duppen, P.*; et al.
no journal, ,
Single-neutron states in the 
= 49 isotope Zn were populated in the Zn(d,p)Zn transfer reaction at REX-ISOLDE, CERN. The combined detection of protons ejected in the reaction and of rays emitted by Zn permitted the identification of the lowest-lying 5/2
and 1/2 excited states. The analysis of proton angular distributions links these states to a significant amount of single-particle strength around 1 MeV, and specifically to the 
d
and s
neutron orbits, which lie above the = 50 neutron shell gap. Comparison with large-scale-shell-model calculations supports a robust = 50 shell-closure for Ni. These data constitute a considerable step towards the understanding of the magicity of Ni and of the structure of isotopes in the region.
