Effects of Compton scattering on radiometric maps from Rio Preto area, Goiás State, Brazil

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUFC-Universidade Federal do Ceará-
Autor(es): dc.contributorUniversidade Federal do Paraná (UFPR)-
Autor(es): dc.creatorBarbosa, Eder Queiroz-
Autor(es): dc.creatorBonotto, Daniel Marcos-
Autor(es): dc.creatorDuarte, Cynthia Romariz-
Autor(es): dc.creatorMancini, Luis Henrique-
Data de aceite: dc.date.accessioned2025-08-21T16:09:56Z-
Data de disponibilização: dc.date.available2025-08-21T16:09:56Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2025-07-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1016/j.apradiso.2025.111822-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/300819-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/300819-
Descrição: dc.descriptionGamma ray spectrometry measurements offer broad utility as a powerful method for identifying and quantifying radionuclides without the need of physicochemical sample preparation. Additionally, in situ readings are non-destructive, preserving the samples integrity. This study aimed to enhance the calibration steps of widely utilized gamma spectrometers based on NaI(Tl) scintillation detectors, involving calculation of combined uncertainties and assessment of systematic effects arising from the interaction of gamma radiation with matter, emphasizing the Compton interference in the gamma spectra. Radiometric data in 272 rock samples from Rio Preto Project developed at Goiás State, Brazil, spanning from 1995 to 2001, were obtained by means of a benchtop gamma spectrometer installed at LABIDRO-Isotopes and Hydrochemistry Laboratory, IGCE-UNESP, Rio Claro (SP), Brazil. The obtained dataset alllowed determine gamma interference factors within the spectral windows of natural radionuclides [K(40K), eU(214Bi), and eTh(208Tl)]. Furthermore, isoline maps were constructed using the geostatistical “minimum curvature” model to data analysis after removal of the Compton interference in spectral windows. Geostatistical models were employed to map their distribution in the study area, contributing to the refinement of procedures adopted for plotting survey/monitoring maps devoted to exploration/environmental purposes, thus, improving the accuracy and comprehension of gamma spectrometric data.-
Descrição: dc.descriptionIGCE-Instituto de Geociências e Ciências Exatas UNESP-Universidade Estadual Paulista, Av. 24-A No. 1515, P.O. Box 178, São Paulo-
Descrição: dc.descriptionDepartamento de Geologia UFC-Universidade Federal do Ceará, Campus do Pici, Bloco 912, Ceará-
Descrição: dc.descriptionInstituto LAMIR UFPR-Universidade Federal do Paraná, Av. Cel. Francisco H. dos Santos, No. 100, Jardim das Américas, Paraná-
Descrição: dc.descriptionIGCE-Instituto de Geociências e Ciências Exatas UNESP-Universidade Estadual Paulista, Av. 24-A No. 1515, P.O. Box 178, São Paulo-
Idioma: dc.languageen-
Relação: dc.relationApplied Radiation and Isotopes-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectBrazilian State of Goiás-
Palavras-chave: dc.subjectCompton scattering-
Palavras-chave: dc.subjectGamma ray analysis-
Palavras-chave: dc.subjectNaI(Tl) detector-
Palavras-chave: dc.subjectRio preto project-
Palavras-chave: dc.subjectUranium exploration-
Título: dc.titleEffects of Compton scattering on radiometric maps from Rio Preto area, Goiás State, Brazil-
Tipo de arquivo: dc.typelivro digital-
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