| Issue |
EPJ Web of Conferences
Volume 27, 2012
2nd Workshop on Neutron Cross Section Covariances
|
|
|---|---|---|
| Article Number | 00003 | |
| Number of page(s) | 6 | |
| DOI | https://doi.org/10.1051/epjconf/20122700003 | |
| Published online | 30 May 2012 | |
https://doi.org/10.1051/epjconf/20122700003
Status of GENEUS
Atominstitut, TU Wien, Wiedner Hauptstraße 8-10, 1040 Vienna, Austria
a e-mail: dn@kph.tuwien.ac.at
b e-mail: leeb@kph.tuwien.ac.at
The current status of the nuclear data evaluation tool GENEUS (General Nuclear Data Evaluation and Uncertainty System) is discussed. Especially, recent improvements of the implemented algorithms concerning smoothness and stability of the evaluated data. These modifications include an improved extrapolation algorithm for the model defect covariance matrices, the inclusion of uncertainties in level densities and charged particle optical model parameters and the employment of a regularization procedure to restore positive semidefiniteness of the prior covariance matrices. The impact of these improvements is studied for the example of neutron-induced cross sections of 55Mn for which preliminary evaluation results are also provided.
© Owned by the authors, published by EDP Sciences, 2012
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