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Determination of 239Pu/240Pu isotopic ratio by high-resolution alpha-particle spectrometry using the ADAM program

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Title: Determination of 239Pu/240Pu isotopic ratio by high-resolution alpha-particle spectrometry using the ADAM program
Authors: Pöllänen, R.1 roy.pollanen@stuk.fi, Siiskonen, T.1, Ihantola, S.1, Toivonen, H.1, Pelikan, A.2, Inn, K.3, La Rosa, J.3, Bene, B.J.3
Source: Applied Radiation & Isotopes. Apr2012, Vol. 70 Issue 4, p733-739. 7p.
Subjects: Plutonium isotopes, Particles, Data acquisition systems, Radiochemistry, Radioactive decay, Semiconductors, Alpha rays
Abstract: Abstract: A novel analysis program to unfold alpha-particle energy spectra was introduced, demonstrated and validated using radiochemically processed test sources, which contained different amounts of 239Pu and 240Pu. A high-resolution alpha spectrometer was used for data acquisition. The software known as ADAM unfolds the spectra using nuclide-specific decay data as a constraint. The peaks can have different shapes and the software can also cope with the coincidences between alpha particles and electrons/photons. In the present paper, the 239Pu/240Pu activity ratios from alpha spectrometry agreed, within the stated uncertainties, with the reference values. Number of counts in the 239,240Pu peak group must be larger than 100 to obtain reliable values when using semiconductor detector of energy resolution FWHM=10.6keV. [Copyright &y& Elsevier]
Copyright of Applied Radiation & Isotopes is the property of Pergamon Press - An Imprint of Elsevier Science 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.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 71900366
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Determination of <superscript>239</superscript>Pu/<superscript>240</superscript>Pu isotopic ratio by high-resolution alpha-particle spectrometry using the ADAM program
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  Data: <searchLink fieldCode="DE" term="%22Plutonium+isotopes%22">Plutonium isotopes</searchLink><br /><searchLink fieldCode="DE" term="%22Particles%22">Particles</searchLink><br /><searchLink fieldCode="DE" term="%22Data+acquisition+systems%22">Data acquisition systems</searchLink><br /><searchLink fieldCode="DE" term="%22Radiochemistry%22">Radiochemistry</searchLink><br /><searchLink fieldCode="DE" term="%22Radioactive+decay%22">Radioactive decay</searchLink><br /><searchLink fieldCode="DE" term="%22Semiconductors%22">Semiconductors</searchLink><br /><searchLink fieldCode="DE" term="%22Alpha+rays%22">Alpha rays</searchLink>
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  Data: Abstract: A novel analysis program to unfold alpha-particle energy spectra was introduced, demonstrated and validated using radiochemically processed test sources, which contained different amounts of 239Pu and 240Pu. A high-resolution alpha spectrometer was used for data acquisition. The software known as ADAM unfolds the spectra using nuclide-specific decay data as a constraint. The peaks can have different shapes and the software can also cope with the coincidences between alpha particles and electrons/photons. In the present paper, the 239Pu/240Pu activity ratios from alpha spectrometry agreed, within the stated uncertainties, with the reference values. Number of counts in the 239,240Pu peak group must be larger than 100 to obtain reliable values when using semiconductor detector of energy resolution FWHM=10.6keV. [Copyright &y& Elsevier]
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  Data: <i>Copyright of Applied Radiation & Isotopes is the property of Pergamon Press - An Imprint of Elsevier Science 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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      – SubjectFull: Data acquisition systems
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      – SubjectFull: Semiconductors
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      – SubjectFull: Alpha rays
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              Text: Apr2012
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