Neutron-induced cross sections From raw data to astrophysical rates

Rene Reifarth, Philipp Erbacher, Stefan Fiebiger, Kathrin Gobel, Tanja Heftrich, Michael Heil, Franz Käppeler, Nadine Klapper, Deniz Kurtulgil, Christoph Langer, Claudia Lederer, Alberto Mengoni, Benedikt Thomas, Stefan Schmidt, Mario Weigand, Michael Wiescher

Research output: Contribution to journalArticlepeer-review

Abstract

Neutron capture cross sections are one of the most important nuclear inputs to models of stellar nucleosynthesis of the elements heavier than iron. The activation technique and the time-of-flight method are mostly used to determine the required data experimentally. Recent developments of experimental techniques allow for new experiments on radioactive isotopes. Monte Carlo based analysis methods give new insights into the systematic uncertainties of previous measurements. We present an overview over the state-of-the-art experimental techniques, a detailed new evaluation of the 197Au(n,) cross section in the keV-regime and the corresponding re-evaluation of 63 more isotopes, which have been measured in the past relative to the gold cross section.
Original languageEnglish
JournalEuropean Physical Journal Plus
Early online date18 Oct 2018
DOIs
Publication statusE-pub ahead of print - 18 Oct 2018

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