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COMPARISON OF METHODS FOR NEUTRON DETECTION SYSTEM NON-LINEARITY ASSESSMENT

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21340%2F19%3A00335581" target="_blank" >RIV/68407700:21340/19:00335581 - isvavai.cz</a>

  • Result on the web

    <a href="https://doi.org/10.1093/raddos/ncz217" target="_blank" >https://doi.org/10.1093/raddos/ncz217</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1093/raddos/ncz217" target="_blank" >10.1093/raddos/ncz217</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    COMPARISON OF METHODS FOR NEUTRON DETECTION SYSTEM NON-LINEARITY ASSESSMENT

  • Original language description

    Linearity of response belongs to fundamental characteristics of neutron detection systems. Research reactors are valuable tools for neutron detector non-linearity studies as they offer a wide range of neutron fluxes. For neutron detection systems working in pulse mode they enable to characterise detector response non-linearity from some hundreds of cps up to the maximum reachable count rates. The paper presents comparison of two methods for neutron pulse-mode detector non-linearity characterisation using VR-1 zero power reactor: (1) comparative method utilising the comparison of studied pulse-mode detection system with a response of gamma compensated ionisation chamber working in current mode, and (2) kinetics method utilising the asymptotic exponential power rise after positive reactivity insertion as a source of information on true signal. Further several approaches for dead time determination based on theoretical formulae describing paralysable and non-paralysable dead time behaviour of detectors were studied and their usability to characterise the count-rate dependent detector response was analysed.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10304 - Nuclear physics

Result continuities

  • Project

    Result was created during the realization of more than one project. More information in the Projects tab.

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2019

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Radiation Protection Dosimetry

  • ISSN

    0144-8420

  • e-ISSN

    1742-3406

  • Volume of the periodical

    186

  • Issue of the periodical within the volume

    2-3

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    6

  • Pages from-to

    274-279

  • UT code for WoS article

    000530582200026

  • EID of the result in the Scopus database

    2-s2.0-85082780373