Title: Spin-alignment and g-factor measurement of the I-pi=12(+) isomer in Pb-192 produced in the relativistic-energy fragmentation of a U-238 beam
Authors: Kmiecik, M ×
Maj, A
Gerl, J
Neyens, Gerda
Atanasova, L
Balabanski, D. L
Becker, F
Bednarczyk, P
Benzoni, G
Blasi, N
Bracco, A
Brambilla, S
Caceres, L
Camera, F
Ciemala, M
Crespi, F. C. L
Chamoli, S. K
Chmel, S
Daugas, J. M
Detistov, P
Doornenbal, P
Georgiev, G
Gladnishki, K
Gorska, M
Grawe, H
Grebosz, J
Hass, M
Hoischen, R
Ilie, G
Ionescu-Bujor, M
Jolie, J
Kojuharov, I
Krasznahorkay, A
Kulessa, R
Lach, M
Lakshmi, S
Leoni, S
Lo Bianco, G
Lozeva, R
Maier, K. H
Mallion, S
Mazurek, K
Meczynski, W
Million, B
Montanari, D
Myalski, S
Petrache, C
Pfuetzner, M
Pietri, S
Podolyak, Zs
Prokopowicz, W
Rudolph, D
Saito, N
Saito, T. R
Saltarelli, A
Simpson, G. S
Styczen, J
Vermeulen, Nele
Werner-Malento, E
Wieland, O
Wollersheim, H. J
Zieblinski, M #
Issue Date: Aug-2010
Publisher: EDP Sciences
Series Title: European Physical Journal A, Hadrons and Nuclei vol:45 issue:2 pages:153-158
Abstract: The feasibility of measuring g-factors using the TDPAD method applied to high-energy, heavy fragmentation products is explored. The 2623 keV I-pi = 12(+) isomer in Pb-192 with tau = 1.57 mu s has been produced using the fragmentation of a 1 A GeV U-238 beam. The results presented demonstrate for the first time that such heavy nuclei produced in a fragmentation reaction with a relativistic beam are sufficiently well spin-aligned. Moreover, the rather large value of the alignment, 28(10)% of the maximum possible, is preserved during the separation process allowing the determination of magnetic moments. The measured values of the lifetime, tau = 1.54(9) mu s, and the g-factor, g = -0.175(20), agree with the results of previous investigations using fusion-evaporation reactions.
ISSN: 1434-6001
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Nuclear and Radiation Physics Section
× corresponding author
# (joint) last author

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