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

P.-A. Söderström; J. Nyberg; P.H. Regan; A. Algora; G. de Angelis; S.F. Ashley; S. Aydin; D. Bazzacco; R.J. Casperson; W.N. Catford; J. Cederkall; R. Chapman; L. Corradi; C. Fahlander; E. Farnea; E. Fioretto; S.J. Freeman; A. Gadea; W. Gelletly; A. Gottardo; E. Grodner; C.Y. He; G.A. Jones; K. Keyes; M. Labiche; X. Liang; Z. Liu; S. Lunardi; N. Marginean; P. Mason; R. Menegazzo; D. Mengoni; G. Montagnoli; D. Napoli; J. Ollier; S. Pietri; Zs. Podolyak; G. Pollarolo; F. Recchia; E. Sahin; F. Scarlassara; R. Silvestri; J.F. Smith; K.-M. Spohr; S.J. Steer; A.M. Stefanini; S. Szilner; N.J. Thompson; G.M. Tveten; C.A. Ur; J.J. Valiente-Dobon; V. Werner; S.J. Williams; F.R. Xu; J.Y. Zhu

doi:10.1103/PhysRevC.81.034310

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

P.-A. Söderström, J. Nyberg, P.H. Regan, A. Algora, G. de Angelis, S.F. Ashley, S. Aydin, D. Bazzacco, R.J. Casperson, W.N. Catford, J. Cederkall, R. Chapman, L. Corradi, C. Fahlander, E. Farnea, E. Fioretto, S.J. Freeman, A. Gadea, W. Gelletly, A. GottardoE. Grodner, C.Y. He, G.A. Jones, K. Keyes, M. Labiche, X. Liang, Z. Liu, S. Lunardi, N. Marginean, P. Mason, R. Menegazzo, D. Mengoni, G. Montagnoli, D. Napoli, J. Ollier, S. Pietri, Zs. Podolyak, G. Pollarolo, F. Recchia, E. Sahin, F. Scarlassara, R. Silvestri, J.F. Smith, K.-M. Spohr, S.J. Steer, A.M. Stefanini, S. Szilner, N.J. Thompson, G.M. Tveten, C.A. Ur, J.J. Valiente-Dobon, V. Werner, S.J. Williams, F.R. Xu, J.Y. Zhu

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Abstract

The yrast sequence of the neutron-rich dysprosium isotope 168Dy has been studied using multinucleon transfer reactions following collisions between a 460-MeV 82Se beam and an 170Er 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
168Dy have been confirmed and the yrast band extended up to 10+. A tentative candidate for the 4+→2+ transition in 170Dy 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.

Original language	English
Article number	034310
Journal	Physical Review C
Volume	81
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevC.81.034310
Publication status	Published - 22 Mar 2010

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10.1103/PhysRevC.81.034310

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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., Cederkall, J., Chapman, R., Corradi, L., Fahlander, C., Farnea, E., Fioretto, E., Freeman, S. J., Gadea, A., Gelletly, W., ... Zhu, J. Y. (2010). Spectroscopy of neutron-rich 168,170Dy: Yrast band evolution close to the NpNn valence maximum. Physical Review C, 81(3), Article 034310. https://doi.org/10.1103/PhysRevC.81.034310

@article{a3147eee2e5c4afc8e210028bda323cf,

title = "Spectroscopy of neutron-rich 168,170Dy: Yrast band evolution close to the NpNn valence maximum",

abstract = "The yrast sequence of the neutron-rich dysprosium isotope 168Dy has been studied using multinucleon transfer reactions following collisions between a 460-MeV 82Se beam and an 170Er 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 168Dy have been confirmed and the yrast band extended up to 10+. A tentative candidate for the 4+→2+ transition in 170Dy 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.",

author = "P.-A. S{\"o}derstr{\"o}m and J. Nyberg and P.H. Regan and A. Algora and {de Angelis}, G. and S.F. Ashley and S. Aydin and D. Bazzacco and R.J. Casperson and W.N. Catford and J. Cederkall and R. Chapman and L. Corradi and C. Fahlander and E. Farnea and E. Fioretto and S.J. Freeman and A. Gadea and W. Gelletly and A. Gottardo and E. Grodner and C.Y. He and G.A. Jones and K. Keyes and M. Labiche and X. Liang and Z. Liu and S. Lunardi and N. Marginean and P. Mason and R. Menegazzo and D. Mengoni and G. Montagnoli and D. Napoli and J. Ollier and S. Pietri and Zs. Podolyak and G. Pollarolo and F. Recchia and E. Sahin and F. Scarlassara and R. Silvestri and J.F. Smith and K.-M. Spohr and S.J. Steer and A.M. Stefanini and S. Szilner and N.J. Thompson and G.M. Tveten and C.A. Ur and J.J. Valiente-Dobon and V. Werner and S.J. Williams and F.R. Xu and J.Y. Zhu",

year = "2010",

month = mar,

day = "22",

doi = "10.1103/PhysRevC.81.034310",

language = "English",

volume = "81",

journal = "Physical Review C",

issn = "2469-9985",

publisher = "American Physical Society",

number = "3",

}

Söderström, P-A, Nyberg, J, Regan, PH, Algora, A, de Angelis, G, Ashley, SF, Aydin, S, Bazzacco, D, Casperson, RJ, Catford, WN, Cederkall, J, Chapman, R, Corradi, L, Fahlander, C, Farnea, E, Fioretto, E, Freeman, SJ, Gadea, A, Gelletly, W, Gottardo, A, Grodner, E, He, CY, Jones, GA, 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, Z, Pollarolo, G, Recchia, F, Sahin, E, Scarlassara, F, Silvestri, R, Smith, JF, Spohr, K-M, Steer, SJ, Stefanini, AM, Szilner, S, Thompson, NJ, Tveten, GM, Ur, CA, Valiente-Dobon, JJ, Werner, V, Williams, SJ, Xu, FR & Zhu, JY 2010, 'Spectroscopy of neutron-rich 168,170Dy: Yrast band evolution close to the NpNn valence maximum', Physical Review C, vol. 81, no. 3, 034310. https://doi.org/10.1103/PhysRevC.81.034310

TY - JOUR

T1 - Spectroscopy of neutron-rich 168,170Dy: Yrast band evolution close to the NpNn valence maximum

AU - Söderström, P.-A.

AU - Nyberg, J.

AU - Regan, P.H.

AU - Algora, A.

AU - de Angelis, G.

AU - Ashley, S.F.

AU - Aydin, S.

AU - Bazzacco, D.

AU - Casperson, R.J.

AU - Catford, W.N.

AU - Cederkall, J.

AU - Chapman, R.

AU - Corradi, L.

AU - Fahlander, C.

AU - Farnea, E.

AU - Fioretto, E.

AU - Freeman, S.J.

AU - Gadea, A.

AU - Gelletly, W.

AU - Gottardo, A.

AU - Grodner, E.

AU - He, C.Y.

AU - Jones, G.A.

AU - Keyes, K.

AU - Labiche, M.

AU - Liang, X.

AU - Liu, Z.

AU - Lunardi, S.

AU - Marginean, N.

AU - Mason, P.

AU - Menegazzo, R.

AU - Mengoni, D.

AU - Montagnoli, G.

AU - Napoli, D.

AU - Ollier, J.

AU - Pietri, S.

AU - Podolyak, Zs.

AU - Pollarolo, G.

AU - Recchia, F.

AU - Sahin, E.

AU - Scarlassara, F.

AU - Silvestri, R.

AU - Smith, J.F.

AU - Spohr, K.-M.

AU - Steer, S.J.

AU - Stefanini, A.M.

AU - Szilner, S.

AU - Thompson, N.J.

AU - Tveten, G.M.

AU - Ur, C.A.

AU - Valiente-Dobon, J.J.

AU - Werner, V.

AU - Williams, S.J.

AU - Xu, F.R.

AU - Zhu, J.Y.

PY - 2010/3/22

Y1 - 2010/3/22

N2 - The yrast sequence of the neutron-rich dysprosium isotope 168Dy has been studied using multinucleon transfer reactions following collisions between a 460-MeV 82Se beam and an 170Er 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 168Dy have been confirmed and the yrast band extended up to 10+. A tentative candidate for the 4+→2+ transition in 170Dy 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.

AB - The yrast sequence of the neutron-rich dysprosium isotope 168Dy has been studied using multinucleon transfer reactions following collisions between a 460-MeV 82Se beam and an 170Er 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 168Dy have been confirmed and the yrast band extended up to 10+. A tentative candidate for the 4+→2+ transition in 170Dy 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.

U2 - 10.1103/PhysRevC.81.034310

DO - 10.1103/PhysRevC.81.034310

M3 - Article

SN - 2469-9985

VL - 81

JO - Physical Review C

JF - Physical Review C

IS - 3

M1 - 034310

ER -

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

Abstract

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