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Impact of collodion thickness on fission track generation within Lexan employed for nuclear forensic analyses.

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Title: Impact of collodion thickness on fission track generation within Lexan employed for nuclear forensic analyses.
Authors: Chapman, Ryan1 (AUTHOR), Meisel, Zach1 (AUTHOR) zachary.meisel@us.af.mil, Bickley, Abigail1 (AUTHOR)
Source: Journal of Radioanalytical & Nuclear Chemistry. May2026, Vol. 335 Issue 5, p3627-3635. 9p.
Subjects: Atomic displacements, Thick films, Polycarbonates, Computer simulation, Fission track dating, Research reactors, Energy transfer
Abstract: We report results from a computational study of fission track damage within a Lexan substrate caused by 235U suspended within a collodion film of varied thickness. MCNP6.3 was used to model energy deposition and displacements per atom within a Lexan film coated by a film of collodion, located within the air-filled 6 inch dry tube of a TRIGA reactor. The collodion layer was varied between 20 and 100 μm thickness, resulting in an 8.8% difference in energy deposition and 12% difference in displacements-per-atom within the Lexan substrate. These findings indicate that collodion adhesive thickness has a moderate impact on the localized energy deposition and damage environment within Lexan. This sensitivity can inform high-precision forensic reconstructions where damage quantification is critical. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Radioanalytical & Nuclear Chemistry 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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DbLabel: Engineering Source
An: 194006658
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  Data: Impact of collodion thickness on fission track generation within Lexan employed for nuclear forensic analyses.
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  Data: <searchLink fieldCode="AR" term="%22Chapman%2C+Ryan%22">Chapman, Ryan</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Meisel%2C+Zach%22">Meisel, Zach</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> zachary.meisel@us.af.mil</i><br /><searchLink fieldCode="AR" term="%22Bickley%2C+Abigail%22">Bickley, Abigail</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Radioanalytical+%26+Nuclear+Chemistry%22">Journal of Radioanalytical & Nuclear Chemistry</searchLink>. May2026, Vol. 335 Issue 5, p3627-3635. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Atomic+displacements%22">Atomic displacements</searchLink><br /><searchLink fieldCode="DE" term="%22Thick+films%22">Thick films</searchLink><br /><searchLink fieldCode="DE" term="%22Polycarbonates%22">Polycarbonates</searchLink><br /><searchLink fieldCode="DE" term="%22Computer+simulation%22">Computer simulation</searchLink><br /><searchLink fieldCode="DE" term="%22Fission+track+dating%22">Fission track dating</searchLink><br /><searchLink fieldCode="DE" term="%22Research+reactors%22">Research reactors</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+transfer%22">Energy transfer</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: We report results from a computational study of fission track damage within a Lexan substrate caused by 235U suspended within a collodion film of varied thickness. MCNP6.3 was used to model energy deposition and displacements per atom within a Lexan film coated by a film of collodion, located within the air-filled 6 inch dry tube of a TRIGA reactor. The collodion layer was varied between 20 and 100 μm thickness, resulting in an 8.8% difference in energy deposition and 12% difference in displacements-per-atom within the Lexan substrate. These findings indicate that collodion adhesive thickness has a moderate impact on the localized energy deposition and damage environment within Lexan. This sensitivity can inform high-precision forensic reconstructions where damage quantification is critical. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Radioanalytical & Nuclear Chemistry 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/s10967-026-10870-8
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      – Code: eng
        Text: English
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        PageCount: 9
        StartPage: 3627
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      – SubjectFull: Atomic displacements
        Type: general
      – SubjectFull: Thick films
        Type: general
      – SubjectFull: Polycarbonates
        Type: general
      – SubjectFull: Computer simulation
        Type: general
      – SubjectFull: Fission track dating
        Type: general
      – SubjectFull: Research reactors
        Type: general
      – SubjectFull: Energy transfer
        Type: general
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      – TitleFull: Impact of collodion thickness on fission track generation within Lexan employed for nuclear forensic analyses.
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            – D: 01
              M: 05
              Text: May2026
              Type: published
              Y: 2026
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