Lifetimes of the low-lying (11/2-) states in 63,65Co have been measured employing the recoil distance doppler shift method (RDDS) with the AGATA γ-ray array and the PRISMA mass spectrometer. These nuclei were populated via a multinucleon transfer reaction by bombarding a 238U target with a beam of 64Ni. The experimental B(E2) reduced transition probabilities for 63,65Co are well reproduced by large-scale shell-model calculations that predict a constant trend of the B(E2) values up to the N=40 67Co isotope.
Lifetime measurements in neutron-rich 63,65Co isotopes using the AGATA demonstrator / V. Modamio, J.J. Valiente-Dobón, S. Lunardi, S.M. Lenzi, A. Gadea, D. Mengoni, D. Bazzacco, A. Algora, P. Bednarczyk, G. Benzoni, B. Birkenbach, A. Bracco, B. Bruyneel, A. Bürger, J. Chavas, L. Corradi, F.C.L. Crespi, G. De Angelis, P. Désesquelles, G. De France, R. Depalo, A. Dewald, M. Doncel, M.N. Erduran, E. Farnea, E. Fioretto, C. Fransen, K. Geibel, A. Gottardo, A. Görgen, T. Habermann, M. Hackstein, H. Hess, T. Hüyük, P.R. John, J. Jolie, D. Judson, A. Jungclaus, N. Karkour, R. Kempley, S. Leoni, B. Melon, R. Menegazzo, C. Michelagnoli, T. Mijatović, B. Million, O. Möller, G. Montagnoli, D. Montanari, A. Nannini, D.R. Napoli, Z. Podolyak, G. Pollarolo, A. Pullia, B. Quintana, F. Recchia, P. Reiter, D. Rosso, W. Rother, E. Sahin, M.D. Salsac, F. Scarlassara, K. Sieja, P.A. Söderström, A.M. Stefanini, O. Stezowski, S. Szilner, C. Theisen, B. Travers, C.A. Ur. - In: PHYSICAL REVIEW. C, NUCLEAR PHYSICS. - ISSN 0556-2813. - 88:4(2013), pp. 044326.1-044326.6.
Lifetime measurements in neutron-rich 63,65Co isotopes using the AGATA demonstrator
A. Bracco;F.C.L. Crespi;R. Depalo;S. Leoni;A. Pullia;
2013
Abstract
Lifetimes of the low-lying (11/2-) states in 63,65Co have been measured employing the recoil distance doppler shift method (RDDS) with the AGATA γ-ray array and the PRISMA mass spectrometer. These nuclei were populated via a multinucleon transfer reaction by bombarding a 238U target with a beam of 64Ni. The experimental B(E2) reduced transition probabilities for 63,65Co are well reproduced by large-scale shell-model calculations that predict a constant trend of the B(E2) values up to the N=40 67Co isotope.
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