Gamma ray spectroscopy studies on low and intermediate level radioactive waste from Angra-1 nuclear power plant

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dc.contributor.authorSILVA, PAULO S.C. dapt_BR
dc.contributor.authorZAHN, GUILHERME S.pt_BR
dc.contributor.authorCARVALHO, RICARDO N. dept_BR
dc.contributor.authorGENEZINI, FREDERICO A.pt_BR
dc.coverageInternacionalpt_BR
dc.creator.eventoBRAZILIAN MEETING ON NUCLEAR PHYSICS, 41thpt_BR
dc.date.accessioned2019-08-21T19:30:07Z
dc.date.available2019-08-21T19:30:07Z
dc.date.eventoSeptember 2-6, 2018pt_BR
dc.description.abstractThe determination of the radionuclide composition of low - and intermediate - level radioactive waste is of paramount importance for the design and implementation of Brazil`s planned radioactive waste repository. While there is some knowledge of the radionuclides expected to be present, the exact activity values in each of the waste bins are not determined with su±cient precision, so theres an ongoing e®ort to analyze the composition of this waste and make the radioactive inventory of the bins containt, which comprises several institutions and laboratories. In the present work the gamma - ray spectroscopy of samples of resin, ¯lters and evaporator concentrate from Angra 1 nuclear power plant have been studied. Small aliquots (» 500 mg) of the distinct samples were stored in glass vials and gamma- counted in a characterized high resolution germanium detector. In order to determine the best counting time, these aliquots were counted for 24h (real - time), with the spectroscopy results saved after each full hour of counting. The resulting twenty four spectra were then analyzed with Canberras Genie - 2000 software, using ISOCS e±ciency correction tool. The results for each sample were then compared to determine the required counting time for each of the radioisotopes of interest.pt_BR
dc.event.siglaRTFNBpt_BR
dc.format.extent1-1pt_BR
dc.identifier.citationSILVA, PAULO S.C. da; ZAHN, GUILHERME S.; CARVALHO, RICARDO N. de; GENEZINI, FREDERICO A. Gamma ray spectroscopy studies on low and intermediate level radioactive waste from Angra-1 nuclear power plant. In: BRAZILIAN MEETING ON NUCLEAR PHYSICS, 41th, September 2-6, 2018, Maresias, SP. <b>Abstract...</b> São Paulo: Sociedade Brasileira de Física, 2018. p. 1-1. Disponível em: http://repositorio.ipen.br/handle/123456789/30114.
dc.identifier.orcid0000-0002-6318-6805pt_BR
dc.identifier.orcid0000-0003-3237-8588pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-6318-6805
dc.identifier.orcidhttps://orcid.org/0000-0003-3237-8588
dc.identifier.orcidhttps://orcid.org/0000-0002-9351-9201
dc.identifier.urihttp://repositorio.ipen.br/handle/123456789/30114
dc.localSão Paulopt_BR
dc.local.eventoMaresias, SPpt_BR
dc.publisherSociedade Brasileira de Físicapt_BR
dc.rightsopenAccesspt_BR
dc.subjectlow-level radioactive wastes
dc.subjectgamma spectroscopy
dc.subjectnuclear power plants
dc.subjectangra-1 reactor
dc.subjectgasers
dc.subjectradioactive wastes
dc.subjectwaste management
dc.titleGamma ray spectroscopy studies on low and intermediate level radioactive waste from Angra-1 nuclear power plantpt_BR
dc.typeResumo de eventos científicospt_BR
dspace.entity.typePublication
ipen.autorFREDERICO ANTONIO GENEZINI
ipen.autorRICARDO NUNES DE CARVALHO
ipen.autorGUILHERME SOARES ZAHN
ipen.autorPAULO SERGIO CARDOSO DA SILVA
ipen.codigoautor2045
ipen.codigoautor117
ipen.codigoautor950
ipen.codigoautor2777
ipen.contributor.ipenauthorFREDERICO ANTONIO GENEZINI
ipen.contributor.ipenauthorRICARDO NUNES DE CARVALHO
ipen.contributor.ipenauthorGUILHERME SOARES ZAHN
ipen.contributor.ipenauthorPAULO SERGIO CARDOSO DA SILVA
ipen.date.recebimento19-08
ipen.event.datapadronizada2018pt_BR
ipen.identifier.ipendoc25908pt_BR
ipen.notas.internasAbstractpt_BR
ipen.type.genreResumo
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relation.isAuthorOfPublicationde99ffee-d830-4bea-aeeb-e8f3ccc34921
relation.isAuthorOfPublicationaa898df6-ea14-482c-bc29-b45954bb0542
relation.isAuthorOfPublication.latestForDiscoveryaa898df6-ea14-482c-bc29-b45954bb0542
sigepi.autor.atividadeGENEZINI, FREDERICO A.:2045:310:Npt_BR
sigepi.autor.atividadeCARVALHO, RICARDO N. de:117:450:Npt_BR
sigepi.autor.atividadeZAHN, GUILHERME S.:950:310:Npt_BR
sigepi.autor.atividadeSILVA, PAULO S.C. da:2777:320:Spt_BR
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