Published March 2016 | Version v1
Journal article Metadata-only

Low level measurement of 60Co by gamma ray spectrometry using γ–γ coincidence

Creators

  • 1. Laboratoire de Mesure de la Radioactivité dans l'Environnement, IRSN, Orsay (France)
  • 2. LSM, Laboratoire Souterrain de Modane, Modane (France)
  • 3. Centre Etudes Nucléaires de Bordeaux Gradignan, CNRS/IN2P3, Gradignan (France)

Description

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 60Co for certain samples compared to conventional gamma-ray spectrometry due to its very low background. - Highligths: • New measurement method with gamma-ray spectrometry in gamma–gamma coincidence. • Efficiency calibration by standard sources and bay MCNP_CP simulation. • Decrease of detection limits for 60Co by a factor of 10 in biological matrices.

Availability note (English)

Available from http://dx.doi.org/10.1016/j.apradiso.2015.11.075

Additional details

Identifiers

DOI
10.1016/j.apradiso.2015.11.075;
PII
S0969-8043(15)30312-2;

Publishing Information

Journal Title
Applied Radiation and Isotopes
Journal Volume
109
Journal Page Range
p. 487-492
ISSN
0969-8043
CODEN
ARISEF

Conference

Title
20. international conference on radionuclide metrology and its applications
Dates
8-11 Jun 2015
Place
Vienna (Austria)

INIS

Country of Publication
United Kingdom
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
48015543
Subject category
S07: ISOTOPES AND RADIATION SOURCES;
Resource subtype / Literary indicator
Conference
Descriptors DEI
BAYS; CALIBRATION; COBALT 60; COINCIDENCE SPECTROMETRY; COMPARATIVE EVALUATIONS; EFFICIENCY; ENVIRONMENTAL MATERIALS; GAMMA RADIATION; GAMMA SPECTROSCOPY; M CODES; NAI DETECTORS; RADIOACTIVITY; SENSITIVITY; STANDARDS
Descriptors DEC
BETA DECAY RADIOISOTOPES; BETA-MINUS DECAY RADIOISOTOPES; COASTAL WATERS; COBALT ISOTOPES; COINCIDENCE METHODS; COMPUTER CODES; COUNTING TECHNIQUES; ELECTROMAGNETIC RADIATION; EVALUATION; INTERMEDIATE MASS NUCLEI; INTERNAL CONVERSION RADIOISOTOPES; IONIZING RADIATIONS; ISOMERIC TRANSITION ISOTOPES; ISOTOPES; MATERIALS; MEASURING INSTRUMENTS; MINUTES LIVING RADIOISOTOPES; NUCLEI; ODD-ODD NUCLEI; RADIATION DETECTORS; RADIATIONS; RADIOISOTOPES; SCINTILLATION COUNTERS; SOLID SCINTILLATION DETECTORS; SPECTROSCOPY; SURFACE WATERS; YEARS LIVING RADIOISOTOPES

Optional Information

Copyright
Copyright (c) 2015 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.