New source–moderator geometry to improve
New source–moderator geometry to improve performance of 252Cf and 241Am–Be source-based PGNAA setups
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A.A. Naqvi; M.S. Abdelmonem; Ghada Al-Misned; Hanan Al-Ghamdi
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Article
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2006
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Elsevier Science
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English
⚖ 272 KB
The gamma ray yield from a 252 Cf and a 241 Am-Be source-based Prompt Gamma Ray Activation Analysis (PGNAA) setup has been observed to increase with enclosing their neutrons sources in a high-density polyethylene moderator. The prompt gamma rays yield from both setups depends upon the moderator leng