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

P. -A. Soderstrom; J. Nyberg; P. H. Regan; A. Algora; G. de Angelis; S. F. Ashley; S. Aydin; D. Bazzacco; R. J. Casperson; W. N. Catford; Joakim Cederkäll; R. Chapman; L. Corradi; Claes 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 Dy-168,Dy-170: Yrast band evolution close to the NpNn valence maximum

P. -A. Soderstrom, J. Nyberg, P. H. Regan, A. Algora, G. de Angelis, S. F. Ashley, S. Aydin, D. Bazzacco, R. J. Casperson, W. N. Catford, Joakim Cederkäll, R. Chapman, L. Corradi, Claes 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 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.

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

Subject classification (UKÄ)

Subatomic Physics

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10.1103/PhysRevC.81.034310

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Soderstrom, 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., ... Zhu, J. Y. (2010). Spectroscopy of neutron-rich Dy-168,Dy-170: Yrast band evolution close to the NpNn valence maximum. Physical Review C (Nuclear Physics), 81(3), Article 034310. https://doi.org/10.1103/PhysRevC.81.034310

@article{e1029011a7bd494da27e6a29534ddeff,

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

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.",

author = "Soderstrom, {P. -A.} and J. Nyberg and Regan, {P. H.} and A. Algora and {de Angelis}, G. and Ashley, {S. F.} and S. Aydin and D. Bazzacco and Casperson, {R. J.} and Catford, {W. N.} and Joakim Cederk{\"a}ll and R. Chapman and L. Corradi and Claes Fahlander and E. Farnea and E. Fioretto and Freeman, {S. J.} and A. Gadea and W. Gelletly and A. Gottardo and E. Grodner and He, {C. Y.} and Jones, {G. A.} 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 Smith, {J. F.} and Spohr, {K. -M.} and Steer, {S. J.} and Stefanini, {A. M.} and S. Szilner and Thompson, {N. J.} and Tveten, {G. M.} and Ur, {C. A.} and Valiente-Dobon, {J. J.} and V. Werner and Williams, {S. J.} and Xu, {F. R.} and Zhu, {J. Y.}",

year = "2010",

doi = "10.1103/PhysRevC.81.034310",

language = "English",

volume = "81",

journal = "Physical Review C (Nuclear Physics)",

issn = "0556-2813",

publisher = "American Physical Society",

number = "3",

}

Soderstrom, P-A, Nyberg, J, Regan, PH, Algora, A, de Angelis, G, Ashley, SF, Aydin, S, Bazzacco, D, Casperson, RJ, Catford, WN, Cederkäll, 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 Dy-168,Dy-170: Yrast band evolution close to the NpNn valence maximum', Physical Review C (Nuclear Physics), vol. 81, no. 3, 034310. https://doi.org/10.1103/PhysRevC.81.034310

TY - JOUR

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

AU - Soderstrom, 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 - Cederkäll, Joakim

AU - Chapman, R.

AU - Corradi, L.

AU - Fahlander, Claes

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

Y1 - 2010

N2 - 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.

AB - 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.

U2 - 10.1103/PhysRevC.81.034310

DO - 10.1103/PhysRevC.81.034310

M3 - Article

SN - 0556-2813

VL - 81

JO - Physical Review C (Nuclear Physics)

JF - Physical Review C (Nuclear Physics)

IS - 3

M1 - 034310

ER -

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

Abstract

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