Dipole strength distributions of the stable odd-mass N=82 isotones La139 and Pr141

M. Scheck, P. Von Brentano, C. Fransen, U. Kneissl, C. Kohstall, A. Linnemann, D. Mücher, N. Pietralla, H. H. Pitz, C. Scholl, F. Stedile, S. Walter, V. Werner, S. W. Yates

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11 Scopus citations

Abstract

The low-lying dipole strength distributions of the odd-mass isotopes La139 and Pr141 were studied in nuclear resonance fluorescence experiments using bremsstrahlung beams. Excited states were observed at excitation energies up to 4 MeV. Spectroscopic information was obtained on excitation energies, decay widths, decay branching ratios, and transition probabilities. The states belonging to the [[2+3-] particle/hole] coupling were a special focus, and the results are compared with other stable odd-mass nuclei at or near the N=82 shell closure.

Original languageEnglish
Article number044313
JournalPhysical Review C - Nuclear Physics
Volume75
Issue number4
DOIs
StatePublished - Apr 26 2007

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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