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Phys. Rev. Lett. 85, 5300–5303 (2000)

Double-Octupole States in 208Pb

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B. Alex Brown
Department of Physics and Astronomy and National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, Michigan 48824-1321

Received 31 May 2000; published in the issue dated 18 December 2000

The states of 208Pb are calculated in a 24 orbit model space which includes all excitations up to two particles and two holes beyond the closed shell. All of the known low-lying states are reproduced by this model. The observed distributions of electromagnetic excitation strength from the ground state to low-lying excited states are well described by the model. The double-octupole excitation strength is calculated and found to be concentrated in 0+, 2+, and 4+ states around 5.2 MeV, but it is fragmented over many 6+ states, in agreement with recent experiments.

© 2000 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.85.5300
DOI:
10.1103/PhysRevLett.85.5300
PACS:
21.10.Re, 21.60.Cs, 27.80.+w