Volume 3, Issue 1 (3-2015)                   IJRSM 2015, 3(1): 13-18 | Back to browse issues page

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sadeghi E, zahedifar M, Mehrabi M. Theseparation of gamma and neutron doses inmixed gamma-neutron radiation fieldusing α-Al2O3:C (TLD-500) dosimeter. IJRSM. 2015; 3 (1) :13-18
URL: http://rsm.kashanu.ac.ir/article-1-112-en.html
University of Kashan
Abstract:   (7997 Views)
The possibility of employing α-Al2O3:C (TLD-500) for estimation of gamma dose in mixed n-γ radiation fields by two peak method has investigated. It was found that the main peak can be reliably deconvoluted to two component glow peaks. The ratio of peak 2 to peak 1 in pure gamma ray radiation field (137Cs) is 1.49 whereas irradiation by Am-Be neutrons results in a ratio of 1.12. The precision of the evaluation was investigated by separately irradiating TLD-500 chips to known gamma dose from 7% out of the total dose up to 48% during six steps. Results show that this phosphor can successfully be applied for mixed field dosimetry using two peak method.
Type of Study: Research | Subject: Special

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