Phys. Rev. Lett. 69, 1500–1503 (1992)Low-spin indentical bands in neighboring odd-A and even-even nuclei: A challenge to mean-field theoriesReceived 3 February 1992; published in the issue dated 7 September 1992 A comprehensive study of odd-A rotational bands in normally deformed rare-earth nuclei indicates that a large number of seniority-one configurations (30% for odd-Z nuclei) at low spin have moments of inertia nearly identical to that of the seniority-zero configuration of the neighboring even-even nucleus with one less nucleon. It is difficult to reconcile these results with conventional models of nuclear pair correlation, which predict variations of about 15% in the moments of inertia of configurations differing by one unit in seniority. © 1992 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.69.1500
DOI:
10.1103/PhysRevLett.69.1500
PACS:
21.10.Re, 21.60.Fw, 23.20.Lv, 27.70.+q
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