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Calibration Coefficients in the Super-Fission Model of the Neutron Multiplicity Method.

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Title: Calibration Coefficients in the Super-Fission Model of the Neutron Multiplicity Method.
Authors: Gorbunova, A. Yu.1 anygorbunova@bochvar.ru, Rogozhkin, V. Yu.1
Source: Atomic Energy. Jul2022, Vol. 132 Issue 3, p177-181. 5p.
Subjects: Neutron multiplicity, Neutron capture, Neutron counters, Calibration, Plutonium
Abstract: The super-fission model on which is based the neutron multiplicity method used for nondestructive measurements of plutonium mass is examined. It is shown that in order to properly solve the equations of the method the dependence of the calibration coefficients – the neutron detection efficiency and the doubles gate fraction coefficient – on the probability of neutron absorption in the sample being analyzed must be taken into account. This requires multiplicity detectors to be calibrated against plutonium samples, which it is proposed be accomplished using Feynman's approach. [ABSTRACT FROM AUTHOR]
Copyright of Atomic Energy is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Calibration Coefficients in the Super-Fission Model of the Neutron Multiplicity Method.
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  Data: <searchLink fieldCode="DE" term="%22Neutron+multiplicity%22">Neutron multiplicity</searchLink><br /><searchLink fieldCode="DE" term="%22Neutron+capture%22">Neutron capture</searchLink><br /><searchLink fieldCode="DE" term="%22Neutron+counters%22">Neutron counters</searchLink><br /><searchLink fieldCode="DE" term="%22Calibration%22">Calibration</searchLink><br /><searchLink fieldCode="DE" term="%22Plutonium%22">Plutonium</searchLink>
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  Data: The super-fission model on which is based the neutron multiplicity method used for nondestructive measurements of plutonium mass is examined. It is shown that in order to properly solve the equations of the method the dependence of the calibration coefficients – the neutron detection efficiency and the doubles gate fraction coefficient – on the probability of neutron absorption in the sample being analyzed must be taken into account. This requires multiplicity detectors to be calibrated against plutonium samples, which it is proposed be accomplished using Feynman's approach. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Atomic Energy is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s10512-023-00923-6
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      – SubjectFull: Neutron counters
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      – SubjectFull: Calibration
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      – SubjectFull: Plutonium
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      – TitleFull: Calibration Coefficients in the Super-Fission Model of the Neutron Multiplicity Method.
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              Text: Jul2022
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