Performance tests of a special ionization chamber for X-rays in mammography energy range
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2017
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INTERNATIONAL JOINT CONFERENCE RADIO 2017
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Resumo
A special mammography homemade ionization chamber was developed to be applied for mammography energy range
dosimetry. This chamber has a total sensitive volume of 6 cm3 and is made of a PMMA body and graphite coated
collecting electrode. Performance tests as saturation, ion collection efficiency, linearity of chamber response versus air
kerma rate and energy dependence were determined. The results obtained with this special homemade ionization
chamber are within the limits stated in international recommendations. This chamber can be used in quality control
programs of mammography energy range. All measurements were carried out at the Calibration Laboratory of IPEN.
Como referenciar
SILVA, J.O.; CALDAS, L.V.E. Performance tests of a special ionization chamber for X-rays in mammography energy range. In: INTERNATIONAL JOINT CONFERENCE RADIO 2017, September 24-29, 2017, Goiânia, GO. Proceedings... Maringá, PR: Sociedade Brasileira de Proteção Radiológica, 2017. p. 1-3. Disponível em: http://repositorio.ipen.br/handle/123456789/28579. Acesso em: 19 Feb 2025.
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