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Evaluation of the criticality constant from Pulsed Neutron Source measurements in the Yalina-Booster subcritical assembly
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2013 (English)In: Annals of Nuclear Energy, ISSN 0306-4549, E-ISSN 1873-2100, Vol. 53, 40-49 p.Article in journal (Refereed) Published
Abstract [en]

The prompt decay constant method and the area-ratio (Sjostrand) method constitute the reference techniques for measuring the reactivity of a subcritical system using Pulsed Neutron Source experiments (PNS). However, different experiments have shown that in many cases it is necessary to apply corrections to the experimental results in order to take into account spectral and spatial effects. In these cases, the approach usually followed is to develop different specific correction procedures for each method. In this work we discuss the validity of prompt decay constant method and the area-ratio method in the Yalina-Booster subcritical assembly and propose a general correction procedure based on Monte Carlo simulations.

Place, publisher, year, edition, pages
2013. Vol. 53, 40-49 p.
Keyword [en]
Accelerator Driven System (ADS), Reactivity monitoring, Prompt neutron decay constant method, Area-ratio (Sjostrand) method, MCNPX, Yalina-Booster
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-120295DOI: 10.1016/j.anucene.2012.10.002ISI: 000315550500006Scopus ID: 2-s2.0-84869867500OAI: oai:DiVA.org:kth-120295DiVA: diva2:614626
Note

QC 20130405

Available from: 2013-04-05 Created: 2013-04-04 Last updated: 2017-12-06Bibliographically approved

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