Development and tests of a 30cmpencil-type ionization chamber for dosimetry in standard and clinical CT beams
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Biomedical Physics & Engineering Express
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The use of computed tomography (CT) for imaging procedures is growing due to advances in the CT
equipment technology. To perform the dosimetry inCT beams, the most widely used instrument is
the pencil type ionization chamber with a sensitive volume length of 100 mm; however, some studies
have shown that this dosimeter has underestimated the dose values. Therefore, in this study an
ionization chamber with sensitive volume length of 300mmwas developed at IPEN. The
characterization of this chamber was performed, and the results were obtained within the
international recommended limits. As an application, the developed ionization chamber was tested in
clinical beams of two different hospitals.
Como referenciar
CASTRO, M.C.; SILVA, N.F.; XAVIER, M.; ANDRADE, M.E.A.; KHOURY, H.J.; CALDAS, L.V.E. Development and tests of a 30cmpencil-type ionization chamber for dosimetry in standard and clinical CT beams. Biomedical Physics & Engineering Express, v. 3, n. 5, p. 1-7, 2017. DOI: 10.1088/2057-1976/aa82e3. Disponível em: http://repositorio.ipen.br/handle/123456789/28457. Acesso em: 30 Dec 2025.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.