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Título

Precise 210Pb determination with high-efficiency gamma spectrometry for dating of marine sedimentary cores

AutorPedrosa, M. C.; Fontela, Marcos CSIC ORCID; Quintana, M.; Pérez, Fiz F. CSIC ORCID ; Francés, Guillermo; Marcos, T.
Palabras clave210Pb-dating
Gamma spectrometry
HPGe detector
Fecha de publicación2020
EditorElsevier
CitaciónApplied Radiation and Isotopes 156: 108962 (2020)
ResumenIn order to establish the chronology of deep-sea sediments from high-resolution 210Pb-dating, the determination of 210Pb and 226Ra activity concentrations needs to be improved. Gamma spectrometry allows determining simultaneously both radionuclides. However, spectrum background is still an issue to obtain high sensitivity. Four deep-sea sediment cores were dated using Mazinger, a gamma spectrometer with high-efficiency and very low-background, and the Constant Rate and Supply model was applied to obtain recent ages
Descripción7 pages, 5 figures, 3 tables
Versión del editorhttps://doi.org/10.1016/j.apradiso.2019.108962
URIhttp://hdl.handle.net/10261/196680
DOI10.1016/j.apradiso.2019.108962
ISSN0969-8043
E-ISSN1872-9800
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