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Neutron-induced cross sections -- from raw data to astrophysical rates

Authors :
Reifarth, René
Erbacher, Philipp
Fiebiger, Stefan
Göbel, Kathrin
Heftrich, Tanja
Heil, Michael
Käppeler, Franz
Klapper, Nadine
Kurtulgil, Deniz
Langer, Christoph
Lederer-Woods, Claudia
Mengoni, Alberto
Thomas, Benedikt
Schmidt, Stefan
Weigand, Mario
Wiescher, Michael
Source :
Eur. Phys. J. Plus (2018) 133: 424
Publication Year :
2019

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 $^{197}$Au(n,$\gamma$) 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.<br />Comment: 34 pages, 83 figs

Details

Database :
arXiv
Journal :
Eur. Phys. J. Plus (2018) 133: 424
Publication Type :
Report
Accession number :
edsarx.1902.09838
Document Type :
Working Paper
Full Text :
https://doi.org/10.1140/epjp/i2018-12295-3