Phys. Rev. Lett. 82, 509–512 (1999)Ground-State Band and Deformation of the Z = 102 Isotope 254No
See accompanying Physics Focus The ground-state band of the Z = 102 isotope 254No has been identified up to spin 14, indicating that the nucleus is deformed. The deduced quadrupole deformation, β = 0.27, is in agreement with theoretical predictions. These observations confirm that the shell-correction energy responsible for the stability of transfermium nuclei is partly derived from deformation. The survival of 254No up to spin 14 means that its fission barrier persists at least up to that spin. © 1999 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.82.509
DOI:
10.1103/PhysRevLett.82.509
PACS:
27.90.+b, 21.10.Re, 21.60.-n, 23.20.Lv
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