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Improvement of the extraction method of faint signals in γ -activity measurements of meteorites

Journal
Date Issued
2017
Author(s)
•
•
Colombetti, P.
•
Taricco, C.
•
•
Rubinetti, S.
•
Di Martino, M.
DOI
Abstract
At the underground laboratory of Monte dei Cappuccini (OATo-INAF) in Torino (Italy) we set up selective HPGe-NaI(Tl) spectrometers for measurements of cosmogenic radioisotopes in meteorites in order to study centennial-scale modulation of solar activity. 44 Ti is a suitable proxy for this timescale, but its detection is difficult due to the strong interference by naturally occurring 214 Bi. In order to optimize the extraction of the 44 Ti signal, we have developed software procedures specifically designed to improve selectivity of the Ge-NaI detectors coincidence.
Volume
132
Issue
6
Start page
269
Uri
Url
Issn Identifier
2190-5444
Ads BibCode
2017EPJP..132..269G
Rights
open.access
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