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Electric quadrupole moment of the /sup 211/Rn (63/2)/sup -/ isomer: Absence of core deformation at very high spins

Journal Article · · Phys. Rev. Lett.; (United States)
The electric quadrupole moments of /sup 211/Rn isomers were determined as Q((17/2)/sup -/) = 19(2) exfm/sup 2/ and Q((63/2)/sup -/) = 160(22) exfm/sup 2/ via measurements of the quadrupole interaction in a Bi single-crystal host. The results indicate that the spherical shape is preserved in the lead region even at the core-excited very high-spin regime, in contradiction to theoretical predictions.
Research Organization:
Department of Nuclear Physics, The Weizmann Institute of Science, Rehovot, Israel
OSTI ID:
5172355
Journal Information:
Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 55:12; ISSN PRLTA
Country of Publication:
United States
Language:
English