Radon/Radium measurement from Gd-loaded water

Autor:	Guillaume Pronost
Rok vydání:	2020
Předmět:	Radium History chemistry Radiochemistry Environmental science chemistry.chemical_element Radon Computer Science Applications Education
Zdroj:	Journal of Physics: Conference Series. 1468:012253
ISSN:	1742-6596 1742-6588
DOI:	10.1088/1742-6596/1468/1/012253
Popis:	The Super Kamiokande-Gd project (SK-Gd) aims to load Gd powder into the SK water in order to detect the neutrons produced by v and v ¯ interactions in the water. Despite Gd powder’s high purification, some radio-isotope contaminates are expected. Among them 222Rn, from 226Ra decays, is a threat for high-precision low energy physics experiments like the Super-Kamiokande experiment (SK). The measurement of 222Rn from Gd-water is then needed in order to allow monitoring of its concentration in the water, as well as to test the efficiency of radio-isotope removal methods still in development. Here we present the system used to determine the 222Rn concentration from pure water and Gd-water. We also show the measurements of 222Rn (226Ra) concentration from water loaded with different Gd powders.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::cd3d53e891b5523797524da56b01fcc7 https://doi.org/10.1088/1742-6596/1468/1/012253 Zobrazit plný text záznamu