Spectroscopy of neutron-rich 168, 170Dy : Yrast band evolution close to the NpNn valence maximum (CROSBI ID 156296)
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Podaci o odgovornosti
Söderström, P-A ; Nyberg, J. ; Regan, P.H. ; Algora, A. ; 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. ; Gadea, A. ; 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. ; Podolyák, Zs. ; Pollarolo, G. ; Recchia, F. ; Şahin, E. ; Scarlassara, F. ; Silvestri, R. ; Smith, J.F. ; Spohr, K.-M. ; Steer, S.J. ; Stefanini, A.M. ; Szilner, Suzana ; Thompson, N.J. ; Tveten, G.M. ; Ur, C.A. ; Valiente-Dobón, J.J. ; Werner, V. ; Williams, S.J. ; Xu, F.R. ; Zhu , J.Y.
engleski
Spectroscopy of neutron-rich 168, 170Dy : Yrast band evolution close to the NpNn valence maximum
The yrast sequence of the neutron-rich dysprosium isotope Dy-168 has been studied using multi-nucleon transfer reactions following the collision of a 460-MeV Se-82 beam and a 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 was confirmed and the yrast band extended up to 10+. A tentative candidate for the 4+ to 2+ transition in Dy-170 was also identified. The data on this and lighter even-even dysprosium isotopes are interpreted in terms of Total Routhian Surface calculations and the evolution of collectivity approaching the proton-neutron valence product maximum is discussed.
nuclear structure; yrast band; transfer reaction
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