Elsevier

Nuclear Physics A

Volume 119, Issue 2, 28 October 1968, Pages 417-434
Nuclear Physics A

Properties of the K = 12 ground state rotational bands in 169Tm and 171Tm

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Abstract

Nuclear magnetic moments of the Iπ = 52+ and 72+ states of the K = 12 rotational bands in 169Tm and 171Tm have been measured using the perturbed γ angular correlation method. Gamma-ray intensity ratios have been examined in the decay of 171Er, and the mixing amplitude δ(E2/M1) of the 109.8 keV transition in 169Tm has been determined. These and other data are used to determine rotational model parameters as well as transverse and longitudinal effective spin g-factors. Qualitative agreement is found with the theory developed by Bochnacki and Ogaza, however our results are not in quantitative agreement with the theoretical predictions. The possible origin of the discrepancies is discussed.

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    ††

    This work was performed under the auspices of the U.S. Atomic Energy Commission. Prepared under Contract AT(04-3)-63 for the San Francisco Operations Office, U.S. Atomic Energy Commission.

    On deputation from the Tata Institute of Fundamental Research, Bombay, India.

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