Determination of the scattered radiation at the neutron calibration laboratory of IPEN using the Shadow Cone method
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Brazilian Journal of Radiation Sciences
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Because of the increase in the demand for the calibration of neutron detectors, there is a need for new calibration services. In this context, the Calibration Laboratory of Instituto de Pesquisas Energéticas e Nucleares (IPEN), São Pau-lo, which already offers calibration services of radiation detectors with standard X, gamma, beta and alpha beams, has recently projected a new test laboratory for neutron detectors. This work evaluated the contribution of dispersed neutron radiation in this laboratory, using the Cone Shadow Method and a Bonner Sphere Spectrometer to take the measure-ments at a distance of 100 cm from the neutron source. The dosimetric quantities Ambient Dose Equivalent Rate (Ḣ*(10)) and Ambient Dose Equivalent Conversion Coefficient (h*(10)) were obtained at the laboratory, allowing the calibration of detectors.
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ALVARENGA, TALLYSON S.; FREITAS, BRUNO M.; FONSECA, EVALDO S.; PEREIRA, WALSAN W.; CALDAS, LINDA V.E. Determination of the scattered radiation at the neutron calibration laboratory of IPEN using the Shadow Cone method. Brazilian Journal of Radiation Sciences, v. 7, n. 2B, p. 1-9, 2019. DOI: 10.15392/bjrs.v7i2B.386. Disponível em: http://repositorio.ipen.br/handle/123456789/30403. Acesso em: 30 Dec 2025.
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