Two-phonon octupole excitation in 208Pb

Minfang Yeh, P. E. Garrett, C. A. McGrath, S. W. Yates, T. Belgya

Research output: Contribution to journalArticlepeer-review

70 Scopus citations


Experimental evidence for identification of the 5241-keV 0+ state in 208Pb as the lowest-spin member of the 3 ⊗ 3 quartet is reported. This state, observed previously in neutron transfer reactions and inelastic proton scattering, has been populated with the inelastic neutron scattering reaction. Its decay to the 3 octupole phonon in 208Pb is confirmed by γ-γ coincidence measurements, and the spin-0 assignment is substantiated by the population cross section. The cascade of two E3 transitions thus established is an expected signature of a two-phonon octupole excitation.

Original languageEnglish
Pages (from-to)1208-1211
Number of pages4
JournalPhysical Review Letters
Issue number8
StatePublished - 1996

ASJC Scopus subject areas

  • Physics and Astronomy (all)


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