Gamma-ray spectroscopy for TlBr detectors at two different temperatures
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2005
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INTERNATIONAL NUCLEAR ATLANTIC CONFERENCE; ENCONTRO NACIONAL DE APLICACOES NUCLEARES, 7th
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In this paper, the results of the development of the TlBr poly-crystals for application as gamma radiation
detectors are presented. TlBr detectors were fabricated from the crystals purified by the multipass zone refining
method and grown by the Bridgman method. 0.3mm thick detectors were prepared and systematic measurements
of the current-voltage and height pulse spectra were carried out. The spectrometric performance of the TlBr
detector was evaluated by
241Am (59.5keV),
133Ba (80keV) and 57Co (122keV) gamma-ray excitation sources at
room and -20C temperatures. No significant difference was observed in the energy resolution between
measurements performed in these two different temperatures. The stability of TlBr radiation detectors at reduced
temperatures was slightly better than at room temperature.
Como referenciar
OLIVEIRA, I.B.; COSTA, F.E.; HAMADA, M.M. Gamma-ray spectroscopy for TlBr detectors at two different temperatures. In: INTERNATIONAL NUCLEAR ATLANTIC CONFERENCE; ENCONTRO NACIONAL DE APLICACOES NUCLEARES, 7th, ago. 28 - set. 2, 2005, Santos, SP. Anais... Disponível em: http://repositorio.ipen.br/handle/123456789/18143. Acesso em: 30 Dec 2025.
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