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Title: Structure and formation mechanism of the transfermium isotope {sup 254}No.

Conference ·
OSTI ID:11180

The ground-state band of the Z=102 isotope {sup 254}No has been identified up to spin 14, indicating that the nucleus is deformed. The deduced quadruple deformation, {beta} = 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 {sup 254}No up to spin 14 means that its fission barrier persists at least up to that spin.

Research Organization:
Argonne National Lab., IL (US)
Sponsoring Organization:
US Department of Energy (US)
DOE Contract Number:
W-31109-ENG-38
OSTI ID:
11180
Report Number(s):
ANL/PHY/CP-97956; TRN: US0104339
Resource Relation:
Conference: Nuclear Structure 1998 International Conference, Gatlinburg, TN (US), 08/10/1998--08/15/1998; Other Information: PBD: 17 Dec 1998
Country of Publication:
United States
Language:
English

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