Abstract
High resolution photon scattering experiments on various Nd-, Gd-, Dy-, Er- and Yb-isotopes yielded new information about the energy and absolute ΔK=0 groundstate transition strengths ofJ=1 levels with excitation energies between 1.5 and 4 MeV. The lowest of theseJ π=1− states are suggested to be the bandheads of aK π=0 − octupole vibrational band, whereas the origin of the higher lying states is unknown.
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Dedicated to Prof. Dr. P. Kienle on the occasion of his 60th birthday
We gratefully acknowledge discussions with A.F. Barfield, R.F. Casten, W. Frank, A. Gelberg, I. Hamamoto, R. Jolos, P.O. Lipas, B.R. Mottelson, A. Richter, P. Vogel, G. Winter and N.V. Zamfir. We would like to thank R.D. Herzberg for carefully reading the manuscript. This work was supported by the Deutsche Forschungsgemeinschaft under contracts Br799-32, Kn 154-18 and We 1283.
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Zilges, A., von Brentano, P., Friedrichs, H. et al. A survey ofΔK=0 dipole transitions from low lyingJ=1 states in rare earth nuclei. Z. Physik A - Hadrons and Nuclei 340, 155–158 (1991). https://doi.org/10.1007/BF01303826
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DOI: https://doi.org/10.1007/BF01303826