Counting efficiency in gamma-ray spectrometry with different sample volumes for the same geometry

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dc.contributor.authorNISTI, M.B.pt_BR
dc.contributor.authorMADUAR, M.F.pt_BR
dc.contributor.authorDAMATTO, S.R.pt_BR
dc.contributor.authorALENCAR, M.M.pt_BR
dc.coverageNacionalpt_BR
dc.date.accessioned2022-12-20T13:42:48Z
dc.date.available2022-12-20T13:42:48Z
dc.date.issued2022pt_BR
dc.description.abstractThe aim of this study is to determine an easy and fast method to calculate efficiencies in different volumes, in the same counting geometry, for gamma-ray spectrometry technique. Reference Material Soil IAEA 326 was packed in a 100 mL capacity polyethylene bottle with different masses and volumes, and sealed for about four weeks, prior measurement, in order to ensure that radioactive equilibrium had been reached between 226Ra and its progeny. After this time, they were measured by gamma-ray spectrometry with a hyper-pure germanium detector. The masses of the reference material used were 25, 60, 80, 95 and 128g. The energies of gamma-rays used in this paper are recommended due to the considerations: gamma intensity value, peak quality, spectral region without interference and the gamma- ray energies of the 238U and 232Th series very important for determining the natural radioactivity. The efficiency values obtained compared to the adjusted efficiency values were similar and presented a good correlation coefficient. The performance was acceptable for all different masses studied, indicating results consistent for the method. The proposed method could be useful as a tool for laboratories, dealing with of samples on a routine basis, by reducing the cost on the purchase of another counting geometry and optimizing the use of the detection system, thus improving their performance.pt_BR
dc.format.extent1-13pt_BR
dc.identifier.citationNISTI, M.B.; MADUAR, M.F.; DAMATTO, S.R.; ALENCAR, M.M. Counting efficiency in gamma-ray spectrometry with different sample volumes for the same geometry. <b>Brazilian Journal of Radiation Sciences</b>, v. 10, n. 3B, p. 1-13, 2022. DOI: <a href="https://dx.doi.org/10.15392/2319-0612.2022.1884">10.15392/2319-0612.2022.1884</a>. Disponível em: http://repositorio.ipen.br/handle/123456789/33492.
dc.identifier.doi10.15392/2319-0612.2022.1884pt_BR
dc.identifier.fasciculo3Bpt_BR
dc.identifier.issn2319-0612pt_BR
dc.identifier.orcid0000-0003-3018-8860pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-4448-003X
dc.identifier.percentilfiSem Percentilpt_BR
dc.identifier.percentilfiCiteScoreSem Percentil CiteScorept_BR
dc.identifier.urihttp://repositorio.ipen.br/handle/123456789/33492
dc.identifier.vol10pt_BR
dc.relation.ispartofBrazilian Journal of Radiation Sciencespt_BR
dc.rightsopenAccesspt_BR
dc.sourceMeeting on Nuclear Applications (ENAN), 15th, November 29 - December 2, 2021, Onlinept_BR
dc.subjectgamma radiation
dc.subjectenvironment
dc.subjectcobalt 60
dc.subjectcesium 137
dc.subjectradioactive wastes
dc.subjectradioisotopes
dc.subjectradiochemistry
dc.titleCounting efficiency in gamma-ray spectrometry with different sample volumes for the same geometrypt_BR
dc.typeArtigo de periódicopt_BR
dspace.entity.typePublication
ipen.autorMARCOS MEDRADO DE ALENCAR
ipen.autorSANDRA REGINA DAMATTO
ipen.autorMARCELO FRANCIS MADUAR
ipen.autorMARCELO BESSA NISTI
ipen.codigoautor857
ipen.codigoautor537
ipen.codigoautor766
ipen.codigoautor639
ipen.contributor.ipenauthorMARCOS MEDRADO DE ALENCAR
ipen.contributor.ipenauthorSANDRA REGINA DAMATTO
ipen.contributor.ipenauthorMARCELO FRANCIS MADUAR
ipen.contributor.ipenauthorMARCELO BESSA NISTI
ipen.date.recebimento22-12
ipen.identifier.fiSem F.I.pt_BR
ipen.identifier.fiCiteScoreSem CiteScorept_BR
ipen.identifier.ipendoc29126pt_BR
ipen.type.genreArtigo
relation.isAuthorOfPublicatione4e3b9d2-ad19-47ae-a503-9d81678dda80
relation.isAuthorOfPublication400a52c2-e76f-4536-9966-d7fe1476f2b4
relation.isAuthorOfPublicationd1f31f36-41a6-454e-b032-2d816cd74987
relation.isAuthorOfPublicationb935386b-b487-4939-a875-79c100ea555f
relation.isAuthorOfPublication.latestForDiscoveryb935386b-b487-4939-a875-79c100ea555f
sigepi.autor.atividadeALENCAR, M.M.:857:340:Npt_BR
sigepi.autor.atividadeDAMATTO, S.R.:537:340:Npt_BR
sigepi.autor.atividadeMADUAR, M.F.:766:340:Npt_BR
sigepi.autor.atividadeNISTI, M.B.:639:340:Spt_BR
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