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Determination of Th-chain contamination in a high sensitivity detector

Authors :
Fushimi, K.
Umehara, S.
Ichihara, K.
Koori, N.
Nakayama, S.
Shimojo, T.
Tsubakida, R.
Kudomi, N.
Kume, K.
Kuramoto, H.
Takahisa, K.
Tsujimoto, T.
Yoshida, S.
Source :
Nuclear Instruments & Methods in Physics Research Section A. Sep2002, Vol. 491 Issue 1/2, p163. 5p.
Publication Year :
2002

Abstract

The concentration of Th-chain was precisely measured. Two alpha rays from 220Rn and 216Po were extracted by the time correlation analysis. The time correlation between two events was found to agree with the half-life of 216Po. The sensitivity of this method for Th-chain was discussed. [Copyright &y& Elsevier]

Subjects

Subjects :
*DETECTORS
*ALPHA rays

Details

Language :
English
ISSN :
01689002
Volume :
491
Issue :
1/2
Database :
Academic Search Index
Journal :
Nuclear Instruments & Methods in Physics Research Section A
Publication Type :
Academic Journal
Accession number :
7873883
Full Text :
https://doi.org/10.1016/S0168-9002(02)01177-4