Low level measurement of (60)Co by gamma ray spectrometry using Î³-Î³ coincidence.

Paradis, H; de Vismes Ott, A; Luo, M; Cagnat, X; Piquemal, F; Gurriaran, R

Paradis, H; de Vismes Ott, A; Luo, M; Cagnat, X; Piquemal, F; Gurriaran, R.

Afiliación

Paradis H; Laboratoire de Mesure de la Radioactivité dans l'Environnement, IRSN, Orsay, France. Electronic address: hugues.paradis@irsn.fr.
de Vismes Ott A; Laboratoire de Mesure de la Radioactivité dans l'Environnement, IRSN, Orsay, France.
Luo M; Laboratoire de Mesure de la Radioactivité dans l'Environnement, IRSN, Orsay, France.
Cagnat X; Laboratoire de Mesure de la Radioactivité dans l'Environnement, IRSN, Orsay, France.
Piquemal F; Centre Etudes Nucléaires de Bordeaux Gradignan, CNRS/IN2P3, Gradignan, France; LSM, Laboratoire Souterrain de Modane, Modane, France.
Gurriaran R; Laboratoire de Mesure de la Radioactivité dans l'Environnement, IRSN, Orsay, France.

Appl Radiat Isot ; 109: 487-492, 2016 Mar.

Article en En | MEDLINE | ID: mdl-26682892

RESUMEN

This paper presents the latest development of the laboratory to measure the natural and artificial massic activities in environmental samples. The measurement method of coincident emitters by gamma-gamma coincidence using an anti-Compton device and its digital electronics is described. Results obtained with environmental samples are shown. Despite its low efficiency, this method decreases detection limits of (60)Co for certain samples compared to conventional gamma-ray spectrometry due to its very low background.

Palabras clave

Gamma-gamma coincidence; Gamma-ray spectrometry; Ge; Low level radioactivity; NaI(Tl)

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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Appl Radiat Isot Asunto de la revista: MEDICINA NUCLEAR / SAUDE AMBIENTAL Año: 2016 Tipo del documento: Article Pais de publicación: Reino Unido

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