EPJ Web of Conferences
Volume 93, 2015CGS15 – Capture Gamma-Ray Spectroscopy and Related Topics
|Number of page(s)||2|
|Published online||28 May 2015|
Decay pattern of the Pygmy Dipole Resonance in 140Ce
1 ExtreMe Matter Institute EMMI and Research Division, GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Germany
2 Frankfurt Institute for Advanced Studies FIAS, Frankfurt am Main, Germany
3 Institut für Kernphysik, Technische Universität Darmstadt, Germany
4 GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Germany
5 WNSL, Yale University, New Haven, Connecticut, USA
6 Institut für Kernphysik, Universität zu Köln, Germany
7 Department of Physics, Duke University, Triangle Universities Nuclear Laboratory, Durham, North Carolina, USA
8 Department of Physics, North Carolina State University, Raleigh, North Carolina USA
9 School of Engineering, University of the West of Scotland, Paisley, UK
10 SUPA, Scottish Universities Physics Alliance, Glasgow, UK
11 Physics Division, Lawrence Livermore National Laboratory, Livermore, California, USA
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Published online: 28 May 2015
The decay behavior of low-lying dipole states in 140Ce was investigated exploiting the γ3-setup at the HIγS facility using quasi-monochromatic photon beams. Branching ratios of individual excited states as well as average branching ratios to low-lying states have been extracted using γ – γ coincidence measurements. The comparison of the average branching ratios to QPM calculations shows a remarkable agreement between experiment and theory in the energy range from 5.0 to 8.5 MeV.
© Owned by the authors, published by EDP Sciences, 2015
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