High- and very-high-dose dosimetry using silicate minerals
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Data
2015-01-01
Autores
Watanabe, Shigueo
Cano, Nilo Francisco [UNIFESP]
Carmo, Lucas Sátiro do
Barbosa, Renata de Faria [UNIFESP]
Chubaci, Jose Fernando Diniz
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In the present study, certain natural silicate minerals such as aquamarine (AB), morganite (PB), goshenite (WB), white jadeite (JW), green jadeite (JG), pink tourmaline (PT) and two varieties of jadeite-like quartz, denoted here by JQ1 and JQ2, were investigated using the thermoluminescence technique to evaluate their potential for use as very-high- and high-dose dosimeters. These minerals respond to high doses of gamma-rays of up to 1000 kGy and often to very high doses of up to 3000 kGy. the TL response of these minerals may be considered to be satisfactory for applications in high-dose dosimetry. Investigations of electron paramagnetic resonance and optically stimulated luminescence dosimetry are in progress. (C) 2014 Elsevier B.V. All rights reserved.
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Radiation Measurements. Oxford: Pergamon-Elsevier B.V., v. 72, p. 66-69, 2015.