First identification of rotational band structures in Re-166(75)91

H.J. Li; M. Doncel; M. Patial; B. Cederwall; T. Bäck; U. Jakobsson; K. Auranen; S. Bönig; M. Drummond; T. Grahn; P. Greenlees; A. Herzáň; D.T. Joss; R. Julin; S. Juutinen; J. Konki; T. Kröll; M. Leino; C. McPeake; D. O'Donnell; R.D. Page; J. Pakarinen; J. Partanen; P. Peura; P. Rahkila; P. Ruotsalainen; M. Sandzelius; J. Sarén; B. Sayğı; C. Scholey; J. Sorri; S. Stolze; M.J. Taylor; A. Thornthwaite; J. Uusitalo; Z.G. Xiao

doi:10.1103/PhysRevC.92.014310

First identification of rotational band structures in Re-166(75)91

H.J. Li, M. Doncel, M. Patial, B. Cederwall, T. Bäck, U. Jakobsson, K. Auranen, S. Bönig, M. Drummond, T. Grahn, P. Greenlees, A. Herzáň, D.T. Joss, R. Julin, S. Juutinen, J. Konki, T. Kröll, M. Leino, C. McPeake, D. O'DonnellR.D. Page, J. Pakarinen, J. Partanen, P. Peura, P. Rahkila, P. Ruotsalainen, M. Sandzelius, J. Sarén, B. Sayğı, C. Scholey, J. Sorri, S. Stolze, M.J. Taylor, A. Thornthwaite, J. Uusitalo, Z.G. Xiao

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

Excited states in the odd-odd, highly neutron-deficient nucleus 166Re have been investigated via the 92Mo(78Kr,3p1n)
166Re reaction. Prompt γ rays were detected by the JUROGAM II γ-ray spectrometer, and the recoiling fusion-evaporation products were separated by the recoil ion transport unit (RITU) gas-filled recoil separator and implanted into the Gamma Recoil Electron Alpha Tagging spectrometer located at the RITU focal plane. The tagging and coincidence techniques were applied to identify the γ-ray transitions in 166Re, revealing two collective, strongly coupled rotational structures, for the first time. The more strongly populated band structure is assigned to the πh11/2[514]9/2−⊗νi13/2[660]1/2+ Nilsson configuration, while the weaker structure is assigned to be built on a two-quasiparticle state of mixed πh11/2[514]9/2−⊗ν[h9/2f7/2]3/2− character. The configuration assignments are based on the electromagnetic characteristics and rotational properties, in comparison with predictions from total Routhian surface and particle-rotor model calculations.

Original language	English
Article number	014310
Journal	Physical Review C
Volume	92
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevC.92.014310
Publication status	Published - 2015
Externally published	Yes

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Li, H. J., Doncel, M., Patial, M., Cederwall, B., Bäck, T., Jakobsson, U., Auranen, K., Bönig, S., Drummond, M., Grahn, T., Greenlees, P., Herzáň, A., Joss, D. T., Julin, R., Juutinen, S., Konki, J., Kröll, T., Leino, M., McPeake, C., ... Xiao, Z. G. (2015). First identification of rotational band structures in Re-166(75)91. Physical Review C, 92(1), Article 014310 . https://doi.org/10.1103/PhysRevC.92.014310

@article{51d7ec5b6937483cabb77d964de8b4c6,

title = "First identification of rotational band structures in Re-166(75)91",

abstract = "Excited states in the odd-odd, highly neutron-deficient nucleus 166Re have been investigated via the 92Mo(78Kr,3p1n)166Re reaction. Prompt γ rays were detected by the JUROGAM II γ-ray spectrometer, and the recoiling fusion-evaporation products were separated by the recoil ion transport unit (RITU) gas-filled recoil separator and implanted into the Gamma Recoil Electron Alpha Tagging spectrometer located at the RITU focal plane. The tagging and coincidence techniques were applied to identify the γ-ray transitions in 166Re, revealing two collective, strongly coupled rotational structures, for the first time. The more strongly populated band structure is assigned to the πh11/2[514]9/2−⊗νi13/2[660]1/2+ Nilsson configuration, while the weaker structure is assigned to be built on a two-quasiparticle state of mixed πh11/2[514]9/2−⊗ν[h9/2f7/2]3/2− character. The configuration assignments are based on the electromagnetic characteristics and rotational properties, in comparison with predictions from total Routhian surface and particle-rotor model calculations.",

author = "H.J. Li and M. Doncel and M. Patial and B. Cederwall and T. B{\"a}ck and U. Jakobsson and K. Auranen and S. B{\"o}nig and M. Drummond and T. Grahn and P. Greenlees and A. Herz{\'a}{\v n} and D.T. Joss and R. Julin and S. Juutinen and J. Konki and T. Kr{\"o}ll and M. Leino and C. McPeake and D. O'Donnell and R.D. Page and J. Pakarinen and J. Partanen and P. Peura and P. Rahkila and P. Ruotsalainen and M. Sandzelius and J. Sar{\'e}n and B. Sayğı and C. Scholey and J. Sorri and S. Stolze and M.J. Taylor and A. Thornthwaite and J. Uusitalo and Z.G. Xiao",

year = "2015",

doi = "10.1103/PhysRevC.92.014310",

language = "English",

volume = "92",

journal = "Physical Review C",

issn = "2469-9985",

publisher = "American Physical Society",

number = "1",

}

Li, HJ, Doncel, M, Patial, M, Cederwall, B, Bäck, T, Jakobsson, U, Auranen, K, Bönig, S, Drummond, M, Grahn, T, Greenlees, P, Herzáň, A, Joss, DT, Julin, R, Juutinen, S, Konki, J, Kröll, T, Leino, M, McPeake, C, O'Donnell, D, Page, RD, Pakarinen, J, Partanen, J, Peura, P, Rahkila, P, Ruotsalainen, P, Sandzelius, M, Sarén, J, Sayğı, B, Scholey, C, Sorri, J, Stolze, S, Taylor, MJ, Thornthwaite, A, Uusitalo, J & Xiao, ZG 2015, 'First identification of rotational band structures in Re-166(75)91', Physical Review C, vol. 92, no. 1, 014310 . https://doi.org/10.1103/PhysRevC.92.014310

TY - JOUR

T1 - First identification of rotational band structures in Re-166(75)91

AU - Li, H.J.

AU - Doncel, M.

AU - Patial, M.

AU - Cederwall, B.

AU - Bäck, T.

AU - Jakobsson, U.

AU - Auranen, K.

AU - Bönig, S.

AU - Drummond, M.

AU - Grahn, T.

AU - Greenlees, P.

AU - Herzáň, A.

AU - Joss, D.T.

AU - Julin, R.

AU - Juutinen, S.

AU - Konki, J.

AU - Kröll, T.

AU - Leino, M.

AU - McPeake, C.

AU - O'Donnell, D.

AU - Page, R.D.

AU - Pakarinen, J.

AU - Partanen, J.

AU - Peura, P.

AU - Rahkila, P.

AU - Ruotsalainen, P.

AU - Sandzelius, M.

AU - Sarén, J.

AU - Sayğı, B.

AU - Scholey, C.

AU - Sorri, J.

AU - Stolze, S.

AU - Taylor, M.J.

AU - Thornthwaite, A.

AU - Uusitalo, J.

AU - Xiao, Z.G.

PY - 2015

Y1 - 2015

N2 - Excited states in the odd-odd, highly neutron-deficient nucleus 166Re have been investigated via the 92Mo(78Kr,3p1n)166Re reaction. Prompt γ rays were detected by the JUROGAM II γ-ray spectrometer, and the recoiling fusion-evaporation products were separated by the recoil ion transport unit (RITU) gas-filled recoil separator and implanted into the Gamma Recoil Electron Alpha Tagging spectrometer located at the RITU focal plane. The tagging and coincidence techniques were applied to identify the γ-ray transitions in 166Re, revealing two collective, strongly coupled rotational structures, for the first time. The more strongly populated band structure is assigned to the πh11/2[514]9/2−⊗νi13/2[660]1/2+ Nilsson configuration, while the weaker structure is assigned to be built on a two-quasiparticle state of mixed πh11/2[514]9/2−⊗ν[h9/2f7/2]3/2− character. The configuration assignments are based on the electromagnetic characteristics and rotational properties, in comparison with predictions from total Routhian surface and particle-rotor model calculations.

AB - Excited states in the odd-odd, highly neutron-deficient nucleus 166Re have been investigated via the 92Mo(78Kr,3p1n)166Re reaction. Prompt γ rays were detected by the JUROGAM II γ-ray spectrometer, and the recoiling fusion-evaporation products were separated by the recoil ion transport unit (RITU) gas-filled recoil separator and implanted into the Gamma Recoil Electron Alpha Tagging spectrometer located at the RITU focal plane. The tagging and coincidence techniques were applied to identify the γ-ray transitions in 166Re, revealing two collective, strongly coupled rotational structures, for the first time. The more strongly populated band structure is assigned to the πh11/2[514]9/2−⊗νi13/2[660]1/2+ Nilsson configuration, while the weaker structure is assigned to be built on a two-quasiparticle state of mixed πh11/2[514]9/2−⊗ν[h9/2f7/2]3/2− character. The configuration assignments are based on the electromagnetic characteristics and rotational properties, in comparison with predictions from total Routhian surface and particle-rotor model calculations.

U2 - 10.1103/PhysRevC.92.014310

DO - 10.1103/PhysRevC.92.014310

M3 - Article

SN - 2469-9985

VL - 92

JO - Physical Review C

JF - Physical Review C

IS - 1

M1 - 014310

ER -

First identification of rotational band structures in Re-166(75)91

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