Multi-quasiparticle states and K-forbiddenness in 177W

T. Shizuma; G. Sletten; R. A. Bark; I. G. Bearden; S. Leoni; M. Mattiuzzi; S. Mitarai; S. W. Ødegård; S. Skoda; K. Strähle; J. Wrzesinski; Y. R. Shimizu

doi:10.1016/S0375-9474(97)00585-X

Multi-quasiparticle states and K-forbiddenness in ¹⁷⁷W

T. Shizuma, G. Sletten, R. A. Bark, I. G. Bearden, S. Leoni, M. Mattiuzzi, S. Mitarai, S. W. Ødegård, S. Skoda, K. Strähle, J. Wrzesinski, Y. R. Shimizu

Experimental Particle Physics

Research output: Contribution to journal › Article

15 Citations (Scopus)

Abstract

High-spin states in ¹⁷⁷W have been populated using the ¹⁶⁴Dy(¹⁸O,5n) reaction at a beam energy of 83 MeV. Six new high-K bands based on 3-, 5- and 7-quasiparticle excitations have been observed. Nilsson configurations for these bands are discussed, and experimental and calculated g-factors are compared. Decays of the Kπ = 29/2⁺ 5-quasiparticle state to the members of the Kπ = 7/2⁺ band have been observed. The decay rates are compared with predictions calculated within a tunneling model where the nuclear shapes are considered to change along the γ direction in the (∈₂,γ) deformation plane.

Original language	English
Pages (from-to)	760-798
Number of pages	39
Journal	Nuclear Physics A
Volume	626
Issue number	3
DOIs	https://doi.org/10.1016/S0375-9474(97)00585-X
Publication status	Published - Nov 24 1997

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All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

Cite this

Shizuma, T., Sletten, G., Bark, R. A., Bearden, I. G., Leoni, S., Mattiuzzi, M., ... Shimizu, Y. R. (1997). Multi-quasiparticle states and K-forbiddenness in ¹⁷⁷W. Nuclear Physics A, 626(3), 760-798. https://doi.org/10.1016/S0375-9474(97)00585-X

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abstract = "High-spin states in 177W have been populated using the 164Dy(18O,5n) reaction at a beam energy of 83 MeV. Six new high-K bands based on 3-, 5- and 7-quasiparticle excitations have been observed. Nilsson configurations for these bands are discussed, and experimental and calculated g-factors are compared. Decays of the Kπ = 29/2+ 5-quasiparticle state to the members of the Kπ = 7/2+ band have been observed. The decay rates are compared with predictions calculated within a tunneling model where the nuclear shapes are considered to change along the γ direction in the (∈2,γ) deformation plane.",

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AU - Sletten, G.

AU - Bark, R. A.

AU - Bearden, I. G.

AU - Leoni, S.

AU - Mattiuzzi, M.

AU - Mitarai, S.

AU - Ødegård, S. W.

AU - Skoda, S.

AU - Strähle, K.

AU - Wrzesinski, J.

AU - Shimizu, Y. R.

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AB - High-spin states in 177W have been populated using the 164Dy(18O,5n) reaction at a beam energy of 83 MeV. Six new high-K bands based on 3-, 5- and 7-quasiparticle excitations have been observed. Nilsson configurations for these bands are discussed, and experimental and calculated g-factors are compared. Decays of the Kπ = 29/2+ 5-quasiparticle state to the members of the Kπ = 7/2+ band have been observed. The decay rates are compared with predictions calculated within a tunneling model where the nuclear shapes are considered to change along the γ direction in the (∈2,γ) deformation plane.

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10.1016/S0375-9474(97)00585-X