Title: Study of the use of thermoluminescent materials in mixed fields

Authors: Christiano J.G. Pinheiro, Delson Braz, Marcus A. Vallim, Ademir X. Silva, Walsan W. Pereira, Ricardo T. Lopes

Addresses: Laboratorio de Instrumentacao Nuclear (LIN/COPPE/UFRJ), Caixa Postal 68509, 21945–970 Rio de Janeiro, RJ, Brazil. ' Laboratorio de Instrumentacao Nuclear (LIN/COPPE/UFRJ), Caixa Postal 68509, 21945–970 Rio de Janeiro, RJ, Brazil. ' Instituto de Radioprotecao e Dosimetria (IRD/CNEN – RJ), Caixa Postal 68550, 22780–160 Rio de Janeiro, RJ, Brazil. ' Laboratorio de Neutrongrafia em Tempo Real (LNRTR/COPPE/UFRJ), Caixa Postal 68509, 21945–970 Rio de Janeiro, RJ, Brazil. ' Instituto de Radioprotecao e Dosimetria (IRD/CNEN – RJ), Caixa Postal 68550, 22780–160 Rio de Janeiro, RJ, Brazil, ' Laboratorio de Instrumentacao Nuclear (LIN/COPPE/UFRJ), Caixa Postal 68509, 21945–970 Rio de Janeiro, RJ, Brazil

Abstract: The scientific research and the application of the thermoluminescence phenomenon have been advancing for the last two decades. Thermoluminescent Detectors (TLDs) present advantages when used in dosimetry. These advantages include reduced size and the non-use of wires. As a disadvantage, we see the loss of all signals after the reading (information) of the detectors. In the present study, we used the TLD-100, TLD-600 and TLD-700 detectors, with the aim of evaluating them in mixed fields. The TLD-600 is a sensitive detector for thermal neutrons, as well as for gamma radiation, while the TLD-700 only responds to gamma radiation.

Keywords: thermoluminescent detectors; TLD; thermoluminescence; neutron dosimetry; low radiation; thermal neutrons; gamma radiation; mixed fields.

DOI: 10.1504/IJLR.2007.015436

International Journal of Low Radiation, 2007 Vol.4 No.2, pp.117 - 123

Published online: 17 Oct 2007 *

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