EPJ Web Conf.
Volume 178, 201816th International Symposium on Capture Gamma-Ray Spectroscopy and Related Topics (CGS16)
|Number of page(s)||3|
|Published online||16 May 2018|
Study of photon strength functions via (γ→, γ′, γ″) reactions at the γ3-setup
Research Center for Nuclear Physics, Osaka University, Japan
2 GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt, Germany
3 Institut für Kernphysik, TU Darmstadt, Germany
4 Department of Physics, Duke University and Triangle Universities Nuclear Laboratory
5 School of Engineering, University of the West of Scotland
6 Institut für Kernphysik, Universität zu Köln
* e-mail: firstname.lastname@example.org
Published online: 16 May 2018
One of the basic ingredients for the modelling of the nucleosynthesis of heavy elements are so-called photon strength functions and the assumption of the Brink-Axel hypothesis. This hypothesis has been studied for many years by numerous experiments using different and complementary reactions. The present manuscript aims to introduce a model-independent approach to study photon strength functions via γ-γ coincidence spectroscopy of photoexcited states in 128Te. The experimental results provide evidence that the photon strength function extracted from photoabsorption cross sections is not in an overall agreement with the one determined from direct transitions to low-lying excited states.
© The Authors, published by EDP Sciences, 2018
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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