Characterization of neutron spectrum at the short irradiation facility of the IEA-R1 reactor using the bare triple monitor method

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dc.contributor.authorFLORES, J.P.O.
dc.contributor.authorSEMMLER, R.
dc.coverageInternacionalpt_BR
dc.creator.evento60 YEARS OF IEA-R1: INTERNATIONAL WORKSHOP ON UTILIZATION OF RESEARCH REACTORSpt_BR
dc.date.accessioned2018-03-15T11:44:17Z
dc.date.available2018-03-15T11:44:17Z
dc.date.eventoNovember 28 - December 01, 2017pt_BR
dc.description.abstractThe neutron spectrum parameters were determined in the short irradiation facility of the IEA-R1 reactor of IPEN. The neutron spectrum parameters are: the epithermal neutron flux shape factor ( ) approximated by a 1=E1+ distribution and the thermal to epithermal neutron flux ratio (f ). According to the HOGDAHL formalism, the k0-NAA method uses the following input parameters: the full energy peak detection efficiency ("p), and nuclear data on Q0 (ratio of resonance integral I0 to thermal neutron cross-section 0) and k0 factors. The and f parameters depend on each irradiation facility and "p depends on each counting facility. In the HOGDAHL formalism the reactor neutron spectrum parameters ( and f ) can be obtained using three methods: Cd-ratio, Cd-covered and bare triple monitors. In this work and f were determined by the bare triple monitor method. In this method, a set of three neutron flux monitors are irradiated without Cd-cover. The efficiency curves of the gamma-ray spectrometer used were determined by measuring calibrated radioactive sources at the usually utilized counting geometries.pt_BR
dc.format.extent30-30pt_BR
dc.identifier.citationFLORES, J.P.O.; SEMMLER, R. Characterization of neutron spectrum at the short irradiation facility of the IEA-R1 reactor using the bare triple monitor method. In: 60 YEARS OF IEA-R1: INTERNATIONAL WORKSHOP ON UTILIZATION OF RESEARCH REACTORS, November 28 - December 01, 2017, São Paulo, SP. <b>Abstract...</b> São Paulo, SP: Instituto de Pesquisas Energéticas e Nucleares, 2017. p. 30-30. Disponível em: http://repositorio.ipen.br/handle/123456789/28725.
dc.identifier.orcidhttps://orcid.org/0000-0001-7733-0153
dc.identifier.urihttp://repositorio.ipen.br/handle/123456789/28725
dc.localSão Paulo, SPpt_BR
dc.local.eventoSão Paulo, SPpt_BR
dc.publisherInstituto de Pesquisas Energéticas e Nuclearespt_BR
dc.rightsopenAccesspt_BR
dc.titleCharacterization of neutron spectrum at the short irradiation facility of the IEA-R1 reactor using the bare triple monitor methodpt_BR
dc.typeResumo de eventos científicospt_BR
dspace.entity.typePublication
ipen.autorRENATO SEMMLER
ipen.autorJOAO PEDRO DE OLIVEIRA FLORES
ipen.codigoautor833
ipen.codigoautor10625
ipen.contributor.ipenauthorRENATO SEMMLER
ipen.contributor.ipenauthorJOAO PEDRO DE OLIVEIRA FLORES
ipen.date.recebimento18-03pt_BR
ipen.event.datapadronizada2017pt_BR
ipen.identifier.ipendoc24547pt_BR
ipen.notas.internasAbstractpt_BR
ipen.type.genreResumo
relation.isAuthorOfPublicationf95a9324-04eb-409b-86b2-97eaa10134f2
relation.isAuthorOfPublicationc5e02eba-4be0-4bc3-8e21-1cbf697b3a55
relation.isAuthorOfPublication.latestForDiscoveryc5e02eba-4be0-4bc3-8e21-1cbf697b3a55
sigepi.autor.atividadeFLORES, J.P.O.:10625:310:Spt_BR
sigepi.autor.atividadeSEMMLER, R.:833:310:Npt_BR
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