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Uncertainty in cross-section calculations for reactions induced by neutrons with energy above 0.1 MeV

  • C. H. M. Broeders , A. Yu. Konobeyev and L. Mercatali
Published/Copyright: April 6, 2013
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Abstract

The uncertainty in the calculation of neutron induced reaction cross-sections using modern nuclear models and codes has been investigated. The cross-sections have been calculated with the help of the TALYS code and the modified ALICE code using different models for the calculation of nuclear level density. The experimental data from EXFOR for neutron induced reactions for nuclei from 27Al to 209Bi and incident neutron energies above 0.1 MeV have been used for the comparison with calculations. The results obtained give the possibility to find the best approaches for the cross-section calculation for nuclei from different mass ranges.

Kurzfassung

Die Unsicherheit bei der Berechnung von Neutronen-induzierten Reaktionsquerschnitten mit Hilfe moderner Kernmodelle und Rechencodes wurde untersucht. Die Wirkungsquerschnitte wurden berechnet mit Hilfe des TALYS Codes und des modifizierten ALICE Codes unter Verwendung verschiedener Modelle zur Berechnung der Kernniveaudichte. Die experimentellen Daten von EXFOR für Neutronen-induzierte Reaktionen bei 27Al und 209Bi Kernen und einfallenden Energien von über 0,1 MeV wurden verwendet für den Vergleich mit den Berechnungen. Mit Hilfe der erhaltenen Ergebnisse können die besten Ansätze für die Berechnung von Wirkungsquerschnitten für Kerne verschiedener Massen gefunden werden.

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Received: 2006-3-8
Published Online: 2013-04-06
Published in Print: 2006-08-01

© 2006, Carl Hanser Verlag, München

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