Intrinsic states and alignments in 175Re

T. Kibédi; G. D. Dracoulis; B. Fabricius; A. P. Byrne; A. E. Stuchbery

doi:10.1016/0375-9474(92)90239-G

Intrinsic states and alignments in ¹⁷⁵Re

T. Kibédi^*, G. D. Dracoulis, B. Fabricius, A. P. Byrne, A. E. Stuchbery

^*Corresponding author for this work

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

23 Citations (Scopus)

Abstract

Excited states in ¹⁷⁵Re have been identified using the ¹⁶¹Dy(¹⁹F, 5n)¹⁷⁵Re reaction and γ-ray spectroscopy. Rotational bands associated with the 1-quasiparticle orbitals h_{9 2}, h_{11 2}, i_{13 2}, d_{5 2} and g_{7 2} have been identified, most to high-spin. Relative transition rates were used to extract B(M1)/B(E2) ratios and g_K - g_R values which support the assignments. Different alignment gains are observed in each of the 1-quasiparticle bands, attributable, at least in part, to configuration-dependent deformation differences. The complex alignment gain observed in the h_{11 2} band is analysed in a 3-band model. A 3-quasiparticle, isomeric state and its rotational band were also observed. The properties of this band suggest a 1-quasiproton-2-quasineutron configuration for the isomer.

Original language	English
Pages (from-to)	137-162
Number of pages	26
Journal	Nuclear Physics, Section A
Volume	539
Issue number	1
DOIs	https://doi.org/10.1016/0375-9474(92)90239-G
Publication status	Published - 1992

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title = "Intrinsic states and alignments in 175Re",

abstract = "Excited states in 175Re have been identified using the 161Dy(19F, 5n)175Re reaction and γ-ray spectroscopy. Rotational bands associated with the 1-quasiparticle orbitals h 9 2, h 11 2, i 13 2, d 5 2 and g 7 2 have been identified, most to high-spin. Relative transition rates were used to extract B(M1)/B(E2) ratios and gK - gR values which support the assignments. Different alignment gains are observed in each of the 1-quasiparticle bands, attributable, at least in part, to configuration-dependent deformation differences. The complex alignment gain observed in the h 11 2 band is analysed in a 3-band model. A 3-quasiparticle, isomeric state and its rotational band were also observed. The properties of this band suggest a 1-quasiproton-2-quasineutron configuration for the isomer.",

keywords = "Nuclear reactions Nuclear structure",

author = "T. Kib{\'e}di and Dracoulis, {G. D.} and B. Fabricius and Byrne, {A. P.} and Stuchbery, {A. E.}",

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doi = "10.1016/0375-9474(92)90239-G",

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T1 - Intrinsic states and alignments in 175Re

AU - Kibédi, T.

AU - Dracoulis, G. D.

AU - Fabricius, B.

AU - Byrne, A. P.

AU - Stuchbery, A. E.

PY - 1992

Y1 - 1992

N2 - Excited states in 175Re have been identified using the 161Dy(19F, 5n)175Re reaction and γ-ray spectroscopy. Rotational bands associated with the 1-quasiparticle orbitals h 9 2, h 11 2, i 13 2, d 5 2 and g 7 2 have been identified, most to high-spin. Relative transition rates were used to extract B(M1)/B(E2) ratios and gK - gR values which support the assignments. Different alignment gains are observed in each of the 1-quasiparticle bands, attributable, at least in part, to configuration-dependent deformation differences. The complex alignment gain observed in the h 11 2 band is analysed in a 3-band model. A 3-quasiparticle, isomeric state and its rotational band were also observed. The properties of this band suggest a 1-quasiproton-2-quasineutron configuration for the isomer.

AB - Excited states in 175Re have been identified using the 161Dy(19F, 5n)175Re reaction and γ-ray spectroscopy. Rotational bands associated with the 1-quasiparticle orbitals h 9 2, h 11 2, i 13 2, d 5 2 and g 7 2 have been identified, most to high-spin. Relative transition rates were used to extract B(M1)/B(E2) ratios and gK - gR values which support the assignments. Different alignment gains are observed in each of the 1-quasiparticle bands, attributable, at least in part, to configuration-dependent deformation differences. The complex alignment gain observed in the h 11 2 band is analysed in a 3-band model. A 3-quasiparticle, isomeric state and its rotational band were also observed. The properties of this band suggest a 1-quasiproton-2-quasineutron configuration for the isomer.

KW - Nuclear reactions Nuclear structure

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Intrinsic states and alignments in ¹⁷⁵Re

Abstract

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