Lifetime measurements of the neutron-rich N = 30 isotones 50Ca and 51Sc: orbital dependence of effective charges in the fp shell.

Valiente-Dobón, J J; Mengoni, D; Gadea, A; Farnea, E; Lenzi, S M; Lunardi, S; Dewald, A; Pissulla, Th; Szilner, S; Broda, R; Recchia, F; Algora, A; Angus, L; Bazzacco, D; Benzoni, G; Bizzeti, P G; Bizzeti-Sona, A M; Boutachkov, P; Corradi, L; Crespi, F; de Angelis, G; Fioretto, E; Görgen, A; Gorska, M; Gottardo, A; Grodner, E; Guiot, B; Howard, A; Królas, W; Leoni, S; Mason, P; Menegazzo, R; Montanari, D; Montagnoli, G; Napoli, D R; Obertelli, A; Pawlat, T; Pollarolo, G; Rubio, B; Sahin, E; Scarlassara, F; Silvestri, R; Stefanini, A M; Smith, J F; Steppenbeck, D; Ur, C A; Wady, P T; Wrzesinski, J; Maglione, E; Hamamoto, I

Valiente-Dobón, J J; Mengoni, D; Gadea, A; Farnea, E; Lenzi, S M; Lunardi, S; Dewald, A; Pissulla, Th; Szilner, S; Broda, R; Recchia, F; Algora, A; Angus, L; Bazzacco, D; Benzoni, G; Bizzeti, P G; Bizzeti-Sona, A M; Boutachkov, P; Corradi, L; Crespi, F; de Angelis, G; Fioretto, E; Görgen, A; Gorska, M; Gottardo, A; Grodner, E; Guiot, B; Howard, A; Królas, W; Leoni, S; Mason, P; Menegazzo, R; Montanari, D; Montagnoli, G; Napoli, D R; Obertelli, A; Pawlat, T; Pollarolo, G; Rubio, B; Sahin, E; Scarlassara, F; Silvestri, R; Stefanini, A M; Smith, J F; Steppenbeck, D; Ur, C A; Wady, P T; Wrzesinski, J; Maglione, E; Hamamoto, I.

Afiliación

Valiente-Dobón JJ; Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Legnaro, Legnaro, Italy. valiente@lnl.infn.it

Phys Rev Lett ; 102(24): 242502, 2009 Jun 19.

Article en En | MEDLINE | ID: mdl-19659003

RESUMEN

The lifetimes of the first excited states of the N = 30 isotones (50)Ca and (51)Sc 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 (48)Ca, using large-scale, shell-model calculations. These results indicate an orbital dependence of the core polarization along the fp shell.

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Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2009 Tipo del documento: Article País de afiliación: Italia Pais de publicación: Estados Unidos

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