Abstract:
High-spin states of 157Dy were investigated using in-beam γ-ray spectroscopy techniques with a 150Nd(12C, 5n) reaction. Three rotational bands with the h 9/2, i 13/2 and h 11/2 configurations were observed up to (43/2-), 53/2+ and 45/2-, respectively. Interband M1 transitions in the h 11/2 (high-Ω) band were also measured up to the highest-spin state. The high-spin states were well reproduced by calculations using the tilted-axis-cranking model (TAC). The B(M1)/B(E2) ratio, Routhian and the tilted angle of the angular-momentum vector are found to be in good agreement with the result of the TAC calculation.
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Received: 22 August 2002 / Accepted: 26 September 2002 / Published online: 19 November 2002
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Communicated by W. Henning
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Hayakawa, T., Toh, Y., Oshima, M. et al. Rotational alignment of the h11/2 band in 157Dy. Eur Phys J A 15, 299–302 (2002). https://doi.org/10.1140/epja/i2002-10082-0
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DOI: https://doi.org/10.1140/epja/i2002-10082-0