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Open Access item Spectroscopy of neutron-rich Dy-168,Dy-170: Yrast band evolution close to the NpNn valence maximum

Authors:Algora, Alejandro
Gadea, Andrés
Soderstrom, P. -A.
Nyberg, J.
Regan, P. H.
De Angelis, G.
Ashley, S. F.
Aydin, S.
Bazzacco, D.
Casperson, R. J.
Catford, W. N.
Cederkäll, J.
Chapman, R.
Corradi, L.
Fahlander, C.
Farnea, E.
Fioretto, E.
Freeman, S. J.
Gelletly, W.
Gottardo, A.
Grodner, E.
He, C. Y.
Jones, G. A.
Keyes, K.
Labiche, M.
Liang, X.
Liu, Z.
Lunardi, S.
Marginean, N.
Mason, P.
Menegazzo, R.
Mengoni, D.
Montagnoli, G.
Napoli, D.
Ollier, J.
Pietri, S.
Podolyak, Zs.
Pollarolo, G.
Recchia, F.
Sahin, E.
Scarlassara, F.
Silvestri, R.
Smith, J. F.
Spohr, K. -M.
Steer, S. J.
Stefanini, A. M.
Szilner, S.
Thompson, N. J.
Tveten, G. M.
Ur, C. A.
Valiente-Dobón, J. J.
Werner, V.
Williams, S. J.
Xu, F. R.
Zhu, J. Y.
Issue Date:22-Mar-2010
Publisher:American Physical Society
Citation:Physical Review - Section C - Nuclear Physics 81(3): 034310 (2010)
Abstract:The yrast sequence of the neutron-rich dysprosium isotope Dy-168 has been studied using multinucleon transfer reactions following collisions between a 460-MeV Se-82 beam and an Er-170 target. The reaction products were identified using the PRISMA magnetic spectrometer and the gamma rays detected using the CLARA HPGe-detector array. The 2(+) and 4(+) members of the previously measured ground-state rotational band of Dy-168 have been confirmed and the yrast band extended up to 10(+). A tentative candidate for the 4(+) -> 2(+) transition in Dy-170 was also identified. The data on these nuclei and on the lighter even-even dysprosium isotopes are interpreted in terms of total Routhian surface calculations and the evolution of collectivity in the vicinity of the proton-neutron valence product maximum is discussed.
Publisher version (URL):http://dx.doi.org/ 10.1103/PhysRevC.81.034310
Appears in Collections:(IFIC) Artículos

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