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Title	In-gas laser ionization and spectroscopy of actinium isotopes near the $N=126$ closed shell
Related title	In-gas laser ionization and spectroscopy of actinium isotopes near the N=126 closed shell
Author(s)	Granados, C (Leuven U.) ; Creemers, P (Leuven U.) ; Ferrer, R (Leuven U.) ; Gaffney, L P (Leuven U.) ; Gins, W (Leuven U.) ; de Groote, R (Leuven U.) ; Huyse, M (Leuven U.) ; Kudryavtsev, Yu (Leuven U.) ; Martinez, Y (Leuven U.) ; Raeder, S (Leuven U.) ; Sels, S (Leuven U.) ; Van Beveren, C (Leuven U.) ; Van den Bergh, P (Leuven U.) ; Van Duppen, P (Leuven U.) ; Wrzosek-Lipska, K (Leuven U.) ; Zadvornaya, A (Leuven U.) ; Barzakh, A E (St. Petersburg, INP) ; Bastin, B (GANIL) ; Delahaye, P (GANIL) ; Hijazi, L (GANIL) ; Lecesne, N (GANIL) ; Luton, F (GANIL) ; Piot, J (GANIL) ; Savajols, H (GANIL) ; Thomas, J C (GANIL) ; Traykov, E (GANIL) ; Beerwerth, R (Jena U., TPI ; Helmholtz Inst., Jena) ; Fritzsche, S (Helmholtz Inst., Jena ; Jena U., TPI) ; Block, M (Darmstadt, GSI ; Helmholtz Inst., Mainz ; Mainz U., Inst. Kernchem.) ; Fléchard, X (Caen U.) ; Franchoo, S (Orsay, IPN) ; Ghys, L (SCK-CEN, Mol ; Leuven U.) ; Grawe, H (Darmstadt, GSI) ; Heinke, R (Mainz U., Inst. Phys.) ; Kron, T (Mainz U., Inst. Phys.) ; Naubereit, P (Mainz U., Inst. Phys.) ; Wendt, K (Mainz U., Inst. Phys.) ; Laatiaoui, M (Darmstadt, GSI ; Helmholtz Inst., Mainz) ; Moore, I (Jyvaskyla U.) ; Sonnenschein, V (Jyvaskyla U.) ; Loiselet, M (Louvain U., Inst. Phys. Nucl.) ; Mogilevskiy, E (Leuven U. ; Moscow State U., Mech. Math. Dept.) ; Rothe, S (CERN)
Publication	2017
Number of pages	13
In:	Phys. Rev. C 96 (2017) 054331
DOI	10.1103/PhysRevC.96.054331
Subject category	Nuclear Physics - Experiment
Abstract	The in-gas laser ionization and spectroscopy (IGLIS) technique was applied on the Ac212–215 isotopes, produced at the Leuven Isotope Separator On-Line (LISOL) facility by using the in-gas-cell and the in-gas-jet methods. The first application under on-line conditions of the in-gas-jet laser spectroscopy method showed a superior performance in terms of selectivity, spectral resolution, and efficiency in comparison with the in-gas-cell method. Following the analysis of both experiments, the magnetic-dipole moments for the Ac212–215 isotopes, electric-quadrupole moments and nuclear spins for the Ac214,215 isotopes are presented and discussed. A good agreement is obtained with large-scale nuclear shell-model calculations by using a Pb208 core.
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