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Phys. Rev. C 67, 024306 (2003) [7 pages]

Intruder bands and configuration mixing in lead isotopes

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R. Fossion and K. Heyde
Department of Subatomic and Radiation Physics, Proeftuinstraat 86, B-9000 Gent, Belgium

G. Thiamova
Nuclear Physics Institute, Rez, Czech Republic

P. Van Isacker
GANIL, BP 55027, F-14076 Caen Cedex 5, France

Received 7 October 2002; published 18 February 2003

A three-configuration mixing calculation is performed in the context of the interacting boson model with the aim to describe recently observed collective bands built on low-lying 0+ states in neutron-deficient lead isotopes. The configurations that are included correspond to the regular, spherical states as well as two-particle two-hole and four-particle four-hole excitations across the Z=82 shell gap.

© 2003 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.67.024306
DOI:
10.1103/PhysRevC.67.024306
PACS:
21.60.Ev