Spectroscopy of proton-rich nuclei in the rare earth region

K. S. Toth, J. M. Nitschke, K. S. Vierinen, P. A. Wilmarth, R. B. Firestone, M. O. Kortelahti

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


The isotope separator facility OASIS, on-line at the Lawrence Berkeley Laboratory Super-HILAC, was used to investigate proton-rich rare earth nuclei. Single-particle states near the 82-neutron shell were delineated, numerous new isotopes, isomers and β-delayed proton emitters were discovered and the α-decay properties of some nuclides with N ≥ 84 were re-examined. In this contribution the experimental program is summarized briefly, the excitation energies of the s 1 2 and h 11 2 proton states in this mass region are discussed, and results on the β-delayed-proton spectra of 145Dy and 147Er are presented.

Original languageEnglish (US)
Pages (from-to)484-488
Number of pages5
JournalNuclear Inst. and Methods in Physics Research, B
Issue numberPART 1
StatePublished - May 1 1991
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation


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