EPJ Web of Conferences
Volume 93, 2015CGS15 – Capture Gamma-Ray Spectroscopy and Related Topics
|Number of page(s)||2|
|Published online||28 May 2015|
Photon strength functions in 177Lu: Study of scissors resonance in high-spin region
1 Charles University, Faculty of Mathematics and Physics, 180 00 Prague, Czech Republic
2 Nuclear Physics Institute, 250 68 Řež, Czech Republic
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Published online: 28 May 2015
The nucleus 177Lu is characteristic by an unusually high value of the thermal-neutron capturing state spin, J = 13/2, and by distinct low-energy rotational bands built on the 7/2+ ground state and the 9/2− level at 150 keV. The γ cascades connecting the capturing state with the members of these bands carry unique information about the role of identical M1 scissors-mode resonances, built according to Brink hypothesis assumingly on each energy level, even in conditions of fast nuclear rotation. With this motivation we measured a set of spectra of two-step γ cascades following the thermal neutron capture in 176Lu. The measurement was performed at neutron beam of the LWR-15 Reactor in Řež. From the analysis of these spectra the common parameters of the scissors resonances were deduced. The obtained results are discussed.
© Owned by the authors, published by EDP Sciences, 2015
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