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The components of alpha particles emitted from radon, thoron and 241Am can be roughly separated when the etching level is not exceeded beyond the range in CR-39. This work aims at improving the dose assessment accuracy from exposure to indoor radon and thoron.<\/jats:p>","DOI":"10.1093\/rpd\/ncae068","type":"journal-article","created":{"date-parts":[[2024,11,14]],"date-time":"2024-11-14T11:31:30Z","timestamp":1731583890000},"page":"1686-1691","source":"Crossref","is-referenced-by-count":1,"title":["Spectroscopic analysis of alpha particles from radioactive nuclides with CR-39 plastic nuclear track detectors"],"prefix":"10.1093","volume":"200","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4216-6984","authenticated-orcid":false,"given":"Satoshi","family":"Kodaira","sequence":"first","affiliation":[{"name":"Radiation Measurement Research Group, National Institutes for Quantum Science and Technology (QST) , 4-9-1 Anagawa, Inage, Chiba 263-8555,","place":["Japan"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8022-3973","authenticated-orcid":false,"given":"Miroslaw","family":"Janik","sequence":"additional","affiliation":[{"name":"Radiation Measurement Research Group, National Institutes for Quantum Science and Technology (QST) , 4-9-1 Anagawa, Inage, Chiba 263-8555,","place":["Japan"]}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2024,11,14]]},"reference":[{"article-title":"UNSCEAR 2008. 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