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Título : Spectroscopy of neutron-rich Dy-168,Dy-170: Yrast band evolution close to the NpNn valence maximum
Autor : 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.
Fecha de publicación : 22-Mar-2010
Editor: American Physical Society
Citación : Physical Review - Section C - Nuclear Physics 81(3): 034310 (2010)
Resumen: 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.
Versión del editor: http://dx.doi.org/ 10.1103/PhysRevC.81.034310
URI : http://hdl.handle.net/10261/24205
ISSN: 0556-2813
DOI: 10.1103/PhysRevC.81.034310
Citación : Physical Review - Section C - Nuclear Physics 81(3): 034310 (2010)
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