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    News
    International co-operation on nuclear criticality safety

    The NEA Working Party on Nuclear Criticality Safety (WPNCS) held its annual meetings on 6-10 July 2020 via video conference with 63 experts from 14 countries.

    News brief Criticality safety Nuclear science Criticality WPNCS …
    Published date: 5 August 2020
    Activity
    Criticality safety analytical methods

    Criticality is the state of a nuclear reactor when there is a self-sustaining chain reaction of fissionable material. Criticality safety analysis relates to evaluation approaches in data and computat...

    Criticality safety NSC Nuclear science Criticality WPNCS …
    Published date: 24 March 2020
    Activity
    Criticality excursion

    A criticality excursion (also referred to as a criticality accident) is the accidental production of a self-sustaining or divergent chain reaction of fissionable material. 

    Criticality safety NSC Nuclear science Criticality WPNCS …
    Published date: 24 March 2020
    Activity
    Used fuel criticality

    Criticality is the state of a nuclear reactor when there is a self-sustaining chain reaction of fissionable material. Used or spent fuel criticality is associated with the scientific issues around as...

    Criticality safety NSC Nuclear science Criticality WPNCS …
    Published date: 24 March 2020
    Activity
    Criticality safety integral experiments

    Criticality is the state of a nuclear reactor when there is a self-sustaining chain reaction of fissionable material. Criticality experiments are controlled tests using fissile materials, like pluton...

    Criticality safety NSC Nuclear science Criticality WPNCS …
    Published date: 24 March 2020
    NEA Document
    Evaluation Guide for the Evaluated Spent Nuclear Fuel Assay Database (SFCOMPO)
    NEA/NSC/R(2015)8
    English Criticality safety NSC Nuclear science Criticality WPNCS ADSNF …
    Published date: 30 October 2015
    Publications and Reports
    Burn-up Credit Criticality Safety Benchmark – Phase VII
    English Criticality safety NSC Nuclear science Criticality WPNCS …
    Published date: 21 February 2012
    Publications and Reports
    Burn-up Credit Criticality Benchmark - Phase II-D
    English Criticality safety NSC Nuclear science Criticality WPNCS …
    Published date: 20 December 2006
    Publications and Reports
    Burn-up Credit Criticality Benchmark - Phase II-C
    English Criticality safety NSC Nuclear science Criticality WPNCS …
    Published date: 9 September 2008
    Publications and Reports
    Burn-up Credit Criticality Benchmark - Phase IV-B
    English Criticality safety NSC Nuclear science Criticality WPNCS …
    Published date: 16 May 2003
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