Open Access
ND 2007
Article Number 153
Number of page(s) 4
Section Neutron cross section measurements
Published online 17 June 2008
International Conference on Nuclear Data for Science and Technology 2007
DOI: 10.1051/ndata:07303

New stellar (n,γ) cross sections and the "Karlsruhe Astrophysical Database of Nucleosynthesis in Stars"

I. Dillmann1, 2, R. Plag1, 3, C. Domingo-Pardo1, M. Heil1, 3, F. Käppeler1, T. Rauscher2 and F.-K. Thielemann2

1  Institut für Kernphysik, Forschungszentrum Karlsruhe, Postfach 3640, 76021 Karlsruhe, Germany
2  Departement Physik und Astronomie, Universität Basel, Klingelbergstrasse 82, 4056 Basel, Switzerland
3  Gesellschaft für Schwerionenforschung mbH, Plankstrasse 1, 64291 Darmstadt, Germany

Published online: 21 May 2008

Since April 2005 a regularly updated stellar neutron cross section compilation is available online at This online-database is called the "Karlsruhe Astrophysical Database of Nucleosynthesis in Stars" project and is based on the previous Bao et al. compilation from the year 2000. The present version KADONIS v0.2 (January 2007) includes recommended cross sections for 280 isotopes between 1H and 210Po and 75 semi-empirical estimates for isotopes without experimental information. Concerning stellar (n,γ) cross sections of the 32 stable, proton-rich isotopes produced by the p process experimental information is only available for 20 isotopes, but 9 of them have rather large uncertainties of ≥9%. The first part of a systematic study of stellar (n, γ) cross sections of the p-process isotopes 74Se, 84Sr, 102Pd, 120Te, 130Ba, 132Ba, 156Dy, and 174Hf is presented. In another application KADONIS v0.2 was used for an modification of a reaction library of Basel university. With this modified library p-process network calculations were carried out and compared to previous results.

© CEA 2008

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