Nuclear resonance fluorescence in 146Nd and 154Sm

Z. Berant, J. Tenenbaum, R. Moreh

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12 Scopus citations

Abstract

The γ-rays obtained from the V(n, γ) reaction using thermal neutrons were employed to photo-excite levels in 146Nd and 154Sm. Angular distribution and polarization measurements were carried out and the following spins and parities were determined. In 146Nd (keV, Jπ): 454, 2; 1778, 2; 7163, 1-. In 154Sm: 82, 2; 921, 1; 1099, 0; 1178, 2; 1202, (0); 6465, 1-. By combining the data obtained in the present work with that reported in the literature the following spins in 154Sm were assigned: 1440, 2; 1756, 2; 1922, 2; 1986, 2. The M2/E1 mixing ratio for one primary transition in 154Sm was measured. The widths of the resonance levels were determined to be: in 146Nd, Γ(7163 keV) = 125 ± 50 meV and in 154Sm, Γ(6465 keV) = 105 ± 50 meV.

Original languageEnglish
Pages (from-to)221-228
Number of pages8
JournalNuclear Physics A
Volume276
Issue number2
DOIs
StatePublished - 24 Jan 1977

Keywords

  • Nuclear reactions

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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