EPJ Web Conf.
Volume 146, 2017ND 2016: International Conference on Nuclear Data for Science and Technology
|Number of page(s)||5|
|Section||Astro Nuclear Physics|
|Published online||13 September 2017|
Capture cross sections on unstable nuclei
1 Lawrence Livermore National Laboratory, Livermore, CA 94550, USA
2 Department of Physics, University of Surrey, Guildford GU2 7XH, UK
3 Wright Nuclear Structure Laboratory, Yale University, New Haven, Connecticut 06520, USA
4 Department of Physics, Duke University, Durham, North Carolina 27708, USA
5 Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708, USA
6 Institut für Kernphysik, TU Darmstadt, Schlossgartenstrasse 9, 64289 Darmstadt, Germany
7 Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
8 North Carolina State University, Raleigh, North Carolina 27695, USA
9 Department of Physics & Astronomy, University of Kentucky, Lexington, Kentucky 40506, USA
10 ExtreMe Matter Institute and Research Division, GSI, Plankstraße1, 64291 Darmstadt, Germany
11 Universität Gießen, Heinrich-Buff-Ring 16, 35392 Gießen, Germany
12 Institut d'Astronomie et d'Astrophysique, Université Libre de Bruxelles, CP. 226, 1050 Brussels, Belgium
a e-mail: email@example.com
Published online: 13 September 2017
Accurate neutron-capture cross sections on unstable nuclei near the line of beta stability are crucial for understanding the s-process nucleosynthesis. However, neutron-capture cross sections for short-lived radionuclides are difficult to measure due to the fact that the measurements require both highly radioactive samples and intense neutron sources. Essential ingredients for describing the γ decays following neutron capture are the γ-ray strength function and level densities. We will compare different indirect approaches for obtaining the most relevant observables that can constrain Hauser-Feshbach statistical-model calculations of capture cross sections. Specifically, we will consider photon scattering using monoenergetic and 100% linearly polarized photon beams. Challenges that exist on the path to obtaining neutron-capture cross sections for reactions on isotopes near and far from stability will be discussed.
© The Authors, published by EDP Sciences, 2017
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.
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