Abstract
The investigation of highly rotating nuclei in the mass region of A ≈ 150 through gamma spectroscopic methods offers a good possibility to study spin-induced nuclear shape changes at highest spins. In this transitional mass region [N ≈ 82–86, Z ≈ 62–68] between the doubly closed <Stack><Subscript>62</Subscript><Superscript>146</Superscript></Stack>Gd84 core at one end and the well-deformed nuclei on the other, Strutinsky-cranked shell model calculations predict for the even-even isotopes Sm, Dy, Er, etc., a shape change from spherical or slightly oblate deformation (γ = 60°, β ≈ 0.1) at low spins to superdeformed prolate (γ = 0°, β ≈ 0.6) or triaxial rotors in the spin region of J = 60 ℏ, as a function of proton and neutron number [1].
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Piepke, A. et al. (1986). High Spin States Around A~150. In: Klapdor, H.V. (eds) Weak and Electromagnetic Interactions in Nuclei. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-71689-8_29
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DOI: https://doi.org/10.1007/978-3-642-71689-8_29
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