EPJ Web Conf.
Volume 178, 201816th International Symposium on Capture Gamma-Ray Spectroscopy and Related Topics (CGS16)
|Number of page(s)||4|
|Published online||16 May 2018|
Astrophysical relevance of the low-energy dipole strength of 206Pb
Nuclear and Chemical Sciences Division, Lawrence Livermore National Laboratory, Livermore, California 94550, USA
2 Duke University, Department of Physics, Box 90308, Durham, North Carolina 27708-0308, USA
3 Institut für Theoretische Physik, Universität Gießen, Gießen, D-35392, Germany
4 Institut d'Astronomie et d'Astrophysique, Université Libre de Bruxelles, Campus de la Plaine, CP-226, 1050 Brussels, Belgium
5 Triangle Universities Nuclear Laboratory, Durham, North Carolina 27708-0308, USA
6 Chemistry Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545, USA
7 Department of Physics and Astronomy, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599-3255, USA
8 North Carolina State University, Department of Physics, Box 8202, Raleigh, North Carolina 27695-8202, USA
9 National Superconducting Cyclotron Laboratory, East Lansing, Michigan 48824, USA
10 Department of Physics, Florida State University, Tallahassee, Florida 32306-4350, USA
11 UGC-DAE Consortium for Scientic Research, Kolkata Centre LB-8 Sector-III, Bidhannagar, Kolkata 700098, India
12 Quantum Beam Science Center, Japan Atomic Energy Agency, Tokaimura, Ibaraki 319-1184, Japan
* Corresponding author: firstname.lastname@example.org
Published online: 16 May 2018
The dipole strength of 206Pb was studied below the neutron separation energy using photon scattering experiments at the HIGS facility. Utilizing the technique of nuclear resonance fluorescence with 100% linearly-polarized photon beams, the spins, parities, branching ratios and decay widths of excited states in 206Pb from 4.9 - 8.1 MeV have been measured. The new experimental information is used to reliably predict the neutron capture cross section of 205Pb, an important branch point nucleus along the s-process path of nucleosynthesis.
© The Authors, published by EDP Sciences, 2018
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