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A three-dimensional neutron localization method based on double-scattering imaging and reconstruction algorithm.

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Τίτλος: A three-dimensional neutron localization method based on double-scattering imaging and reconstruction algorithm.
Συγγραφείς: Wang X; China Institute of Atomic Energy, Beijing, China., Jiao T; China Institute of Atomic Energy, Beijing, China., Cao J; China Institute of Atomic Energy, Beijing, China., Yang Z; China Institute of Atomic Energy, Beijing, China., Ma K; China Institute of Atomic Energy, Beijing, China., Gu Z; China Institute of Atomic Energy, Beijing, China., Mei Y; China Institute of Atomic Energy, Beijing, China., Cui J; China Institute of Atomic Energy, Beijing, China., Li W; China Institute of Atomic Energy, Beijing, China.
Πηγή: Radiation protection dosimetry [Radiat Prot Dosimetry] 2026 Oct 06; Vol. 202 (16), pp. 1268-1278.
Τύπος έκδοσης: Journal Article
Γλώσσα: English
Στοιχεία περιοδικού: Publisher: Oxford University Press Country of Publication: England NLM ID: 8109958 Publication Model: Print Cited Medium: Internet ISSN: 1742-3406 (Electronic) Linking ISSN: 01448420 NLM ISO Abbreviation: Radiat Prot Dosimetry Subsets: MEDLINE
Imprint Name(s): Publication: 2004- : Oxford, UK : Oxford University Press
Original Publication: Ashford, Kent : Nuclear Technology Pub., c1981-
Ιατρικοί όροι (MeSH): Imaging, Three-Dimensional*/methods , Scintillation Counting*/instrumentation , Scintillation Counting*/methods , Radiation Monitoring*/methods , Radiation Monitoring*/instrumentation , Neutrons* , Algorithms*, Scattering, Radiation ; Radiation Dosage ; Computer Simulation ; Equipment Design
Περίληψη: Three-dimensional localization of neutron-emitting materials is crucial for minimizing personnel radiation exposure during nuclear decommissioning and nuclear safety activities. To address this challenge, this study proposes a localization method based on double-scattering principle and a dedicated reconstruction algorithm. This study is comprised of two main parts. First, a double-layer scintillator array detector was designed. Its key parameters were optimized to achieve a balance between coincidence detection efficiency and spatial resolution. Second, a three-dimensional localization algorithm was developed. This algorithm determines the optimal imaging plane and reconstructs a heatmap, leading to three-dimensional localization. The performance of the double-scattering imaging system was evaluated via simulations. The results demonstrated that the neutron source can be localized within a defined spatial area with centimeter-level accuracy. This study provides a practical solution for the three-dimensional localization of neutron-emitting materials and demonstrates its significant application potential in the field of nuclear decommissioning.
(© The Author(s) 2026. Published by Oxford University Press. All rights reserved. For commercial re-use, please contact reprints@oup.com for reprints and translation rights for reprints. All other permissions can be obtained through our RightsLink service via the Permissions link on the article page on our site—for further information please contact journals.permissions@oup.com.)
Entry Date(s): Date Created: 20260629 Date Completed: 20261006 Latest Revision: 20261006
Update Code: 20261006
DOI: 10.1093/rpd/ncag067
PMID: 42372251
Βάση Δεδομένων: MEDLINE
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PubType: Academic Journal
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  Data: A three-dimensional neutron localization method based on double-scattering imaging and reconstruction algorithm.
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  Data: <searchLink fieldCode="AU" term="%22Wang+X%22">Wang X</searchLink>; China Institute of Atomic Energy, Beijing, China.<br /><searchLink fieldCode="AU" term="%22Jiao+T%22">Jiao T</searchLink>; China Institute of Atomic Energy, Beijing, China.<br /><searchLink fieldCode="AU" term="%22Cao+J%22">Cao J</searchLink>; China Institute of Atomic Energy, Beijing, China.<br /><searchLink fieldCode="AU" term="%22Yang+Z%22">Yang Z</searchLink>; China Institute of Atomic Energy, Beijing, China.<br /><searchLink fieldCode="AU" term="%22Ma+K%22">Ma K</searchLink>; China Institute of Atomic Energy, Beijing, China.<br /><searchLink fieldCode="AU" term="%22Gu+Z%22">Gu Z</searchLink>; China Institute of Atomic Energy, Beijing, China.<br /><searchLink fieldCode="AU" term="%22Mei+Y%22">Mei Y</searchLink>; China Institute of Atomic Energy, Beijing, China.<br /><searchLink fieldCode="AU" term="%22Cui+J%22">Cui J</searchLink>; China Institute of Atomic Energy, Beijing, China.<br /><searchLink fieldCode="AU" term="%22Li+W%22">Li W</searchLink>; China Institute of Atomic Energy, Beijing, China.
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  Data: <searchLink fieldCode="JN" term="%228109958%22">Radiation protection dosimetry</searchLink> [Radiat Prot Dosimetry] 2026 Oct 06; Vol. 202 (16), pp. 1268-1278.
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  Data: <i>Publisher: </i><searchLink fieldCode="PB" term="%22Oxford+University+Press%22">Oxford University Press </searchLink><i>Country of Publication: </i>England <i>NLM ID: </i>8109958 <i>Publication Model: </i>Print <i>Cited Medium: </i>Internet <i>ISSN: </i>1742-3406 (Electronic) <i>Linking ISSN: </i><searchLink fieldCode="IS" term="%2201448420%22">01448420 </searchLink><i>NLM ISO Abbreviation: </i>Radiat Prot Dosimetry <i>Subsets: </i>MEDLINE
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  Data: <i>Publication</i>: 2004- : Oxford, UK : Oxford University Press<br /><i>Original Publication</i>: Ashford, Kent : Nuclear Technology Pub., c1981-
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  Data: <searchLink fieldCode="MM" term="%22Imaging%2C+Three-Dimensional%22">Imaging, Three-Dimensional*</searchLink>/<searchLink fieldCode="MM" term="%22Imaging%2C+Three-Dimensional+methods%22">methods</searchLink> <br /><searchLink fieldCode="MM" term="%22Scintillation+Counting%22">Scintillation Counting*</searchLink>/<searchLink fieldCode="MM" term="%22Scintillation+Counting+instrumentation%22">instrumentation</searchLink> <br /><searchLink fieldCode="MM" term="%22Scintillation+Counting%22">Scintillation Counting*</searchLink>/<searchLink fieldCode="MM" term="%22Scintillation+Counting+methods%22">methods</searchLink> <br /><searchLink fieldCode="MM" term="%22Radiation+Monitoring%22">Radiation Monitoring*</searchLink>/<searchLink fieldCode="MM" term="%22Radiation+Monitoring+methods%22">methods</searchLink> <br /><searchLink fieldCode="MM" term="%22Radiation+Monitoring%22">Radiation Monitoring*</searchLink>/<searchLink fieldCode="MM" term="%22Radiation+Monitoring+instrumentation%22">instrumentation</searchLink> <br /><searchLink fieldCode="MM" term="%22Neutrons%22">Neutrons*</searchLink> <br /><searchLink fieldCode="MM" term="%22Algorithms%22">Algorithms*</searchLink><br /><searchLink fieldCode="MH" term="%22Scattering%2C+Radiation%22">Scattering, Radiation</searchLink> ; <searchLink fieldCode="MH" term="%22Radiation+Dosage%22">Radiation Dosage</searchLink> ; <searchLink fieldCode="MH" term="%22Computer+Simulation%22">Computer Simulation</searchLink> ; <searchLink fieldCode="MH" term="%22Equipment+Design%22">Equipment Design</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Three-dimensional localization of neutron-emitting materials is crucial for minimizing personnel radiation exposure during nuclear decommissioning and nuclear safety activities. To address this challenge, this study proposes a localization method based on double-scattering principle and a dedicated reconstruction algorithm. This study is comprised of two main parts. First, a double-layer scintillator array detector was designed. Its key parameters were optimized to achieve a balance between coincidence detection efficiency and spatial resolution. Second, a three-dimensional localization algorithm was developed. This algorithm determines the optimal imaging plane and reconstructs a heatmap, leading to three-dimensional localization. The performance of the double-scattering imaging system was evaluated via simulations. The results demonstrated that the neutron source can be localized within a defined spatial area with centimeter-level accuracy. This study provides a practical solution for the three-dimensional localization of neutron-emitting materials and demonstrates its significant application potential in the field of nuclear decommissioning.<br /> (© The Author(s) 2026. Published by Oxford University Press. All rights reserved. For commercial re-use, please contact reprints@oup.com for reprints and translation rights for reprints. All other permissions can be obtained through our RightsLink service via the Permissions link on the article page on our site—for further information please contact journals.permissions@oup.com.)
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  Data: <i>Date Created: </i>20260629 <i>Date Completed: </i>20261006 <i>Latest Revision: </i>20261006
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  Data: 10.1093/rpd/ncag067
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        Value: 10.1093/rpd/ncag067
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        Text: English
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        StartPage: 1268
    Subjects:
      – SubjectFull: Scattering, Radiation
        Type: general
      – SubjectFull: Radiation Dosage
        Type: general
      – SubjectFull: Computer Simulation
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      – SubjectFull: Equipment Design
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      – SubjectFull: Imaging, Three-Dimensional methods
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      – SubjectFull: Neutrons
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      – SubjectFull: Algorithms
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              Text: 2026 Oct 06
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