Development of a primary thoron activity standard for the calibration of thoron measurement instruments - Archive ouverte HAL
Article Dans Une Revue Radiation Protection Dosimetry Année : 2015

Development of a primary thoron activity standard for the calibration of thoron measurement instruments

Résumé

The LNHB and IRSN are working on a reference atmosphere for thoron (Rn-220) instrument calibration. The LNHB, as the national metrology institute for activity measurement in France, has to create a new thoron reference standard in order to estimate with accuracy the thoron concentration of a reference atmosphere. The measurement system presented in this paper is based on a reference volume using an alpha detector, which is able to measure thoron and its decay products to define the thoron concentration of a thoron reference atmosphere. This paper presents the first results with this new system using a well-known radon (Rn-222) atmosphere and a thoron (Rn-220) atmosphere.
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Dates et versions

hal-01865033 , version 1 (30-08-2018)

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Benoît Sabot, S. Pierre, P. Cassette, N. Michielsen, S. Bondiguel. Development of a primary thoron activity standard for the calibration of thoron measurement instruments. Radiation Protection Dosimetry, 2015, 167 (1-3), pp.70 - 74. ⟨10.1093/rpd/ncv221⟩. ⟨hal-01865033⟩
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