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Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/16667
Title: Lifetime Measurements of the Neutron-Rich N=30 Isotones Ca-50 and Sc-51: Orbital Dependence of Effective Charges in the fp Shell
Authors: Valiente-Dobón, J. J.; Mengoni, D.; Gadea, Andrés; Farmea, E.; Lenzi, S. M.; Lunardi, S.; Dewald, A.; Pissulla, T.; Szilner, S.; Broda, R.; Recchia, F.; Algora, Alejandro; Agus, L.; Bazzacco, D.; Benzoni, G.; Bizzeti, P.G.; Bizzeti-Sona, A.M.; Boutachkov, P.; Corradi, L.; Crespi, F.; De Angelis, G.; Fioretto, E.; Gorgen, A.; Gorska, M.; Gottardo, A.; Grodner, E.; Guiot, B.; Howard, A.; Krolas, W.; Leoni, S.; Mason, P.; Menegazzo, R.; Montanari, D.; Montagnoli, G.; Napoli, D. R.; Obertelli, A.; Pawlat, T.; Rubio, Berta; Sahin, E.; Scarlassara, F.; Silvestri, R.; Stefanini, A.M.; Smith, J.F.; Steppenbeck, D.; Ur, C. A.; Wady, P.T.; Wrzesinksi, J; Maglione, E.; Hanamoto, I.
Issue Date: 23-Jun-2009
Publisher: American Physical Society
Citation: Physical Review Letters 102(24: 242502 (2009)
Abstract: The lifetimes of the first excited states of the N=30 isotones Ca-50 and Sc-51 have been determined using the Recoil Distance Doppler Shift method in combination with the CLARA-PRISMA spectrometers. This is the first time such a method is applied to measure lifetimes of neutron-rich nuclei populated via a multinucleon transfer reaction. This extends the lifetime knowledge beyond the f(7/2) shell closure and allows us to derive the effective proton and neutron charges in the fp shell near the doubly magic nucleus Ca-48, using large-scale, shell-model calculations. These results indicate an orbital dependence of the core polarization along the fp shell.
Publisher version (URL): http://dx.doi.org/10.1103/PhysRevLett.102.242502
URI: http://hdl.handle.net/10261/16667
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.102.242502
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