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Spectroscopy of neutron-rich Dy168,170: Yrast band evolution close to the NpNn valence maximum

Söderström, PA and Nyberg, J and Regan, PH and Algora, A and De Angelis, G and Ashley, SF and Aydin, S and Bazzacco, D and Casperson, RJ and Catford, WN and Cederkäll, J and Chapman, R and Corradi, L and Fahlander, C and Farnea, E and Fioretto, E and Freeman, SJ and Gadea, A and Gelletly, W and Gottardo, A and Grodner, E and He, CY and Jones, GA and Keyes, K and Labiche, M and Liang, X and Liu, Z and Lunardi, S and Mǎrginean, N and Mason, P and Menegazzo, R and Mengoni, D and Montagnoli, G and Napoli, D and Ollier, J and Pietri, S and Podolyák, Z and Pollarolo, G and Recchia, F and Şahin, E and Scarlassara, F and Silvestri, R and Smith, JF and Spohr, KM and Steer, SJ and Stefanini, AM and Szilner, S and Thompson, NJ and Tveten, GM and Ur, CA and Valiente-Dobón, JJ and Werner, V and Williams, SJ and Xu, FR and Zhu, JY (2010) Spectroscopy of neutron-rich Dy168,170: Yrast band evolution close to the NpNn valence maximum. Physical Review C - Nuclear Physics, 81. ISSN 0556-2813

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The yrast sequence of the neutron-rich dysprosium isotope Dy168 has been studied using multinucleon transfer reactions following collisions between a 460-MeV Se82 beam and an Er170 target. The reaction products were identified using the PRISMA magnetic spectrometer and the γ rays detected using the CLARA HPGe-detector array. The 2 and 4 members of the previously measured ground-state rotational band of Dy168 have been confirmed and the yrast band extended up to 10 . A tentative candidate for the 4 →2 transition in Dy170 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. © 2010 The American Physical Society. + + + + +

Item Type: Article
Divisions: Div A > Energy
Depositing User: Cron Job
Date Deposited: 17 Jul 2017 19:11
Last Modified: 10 Apr 2021 00:17
DOI: 10.1103/PhysRevC.81.034310