Abstract
It is pointed out that some features of the shapes of 62154Sm, 68166Er, and 70176Yb as reported by Cooper et al. [Cooper, T., Bertozzi, W., Heisenberg, J., Kowalski, S., Turchinetz, W., Williamson, C., Cardman, L., Fivozinsky, S., Lightbody, J., Jr., & Penner, S. (1976) Phys. Rev. C 13, 1083-1094] from electron-scattering experiments agree reasonably well with the description of these nuclei, derived from the values of the rotational energy levels, as consisting of a large spherical part (essentially 132Sn) and a cap [Pauling, L. (1969) Proc. Natl. Acad. Sci. USA 64, 807-809; Pauling, L. & Robinson, A. B. (1975) Can. J. Phys. 53, 1953-1964].
Keywords: samarium 154, erbium 166, ytterbium 176
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