Published May 1994 | Version v1
Report

Low activities measurement in a mixture of different radionuclides: spectrometer operating in Compton suppression and gamma coincidence mode

  • 1. CEA Centre d'Etudes de Bruyeres-le-Chatel, 91 (France)
  • 2. CEA Centre d'Etudes de Saclay, 91 - Gif-sur-Yvette (France). Dept. des Applications et de la Metrologie des Rayonnements Ionisants

Description

A spectrometer operating in Compton suppression or gamma coincidence mode is used to measure weak activity nuclides in complex spectra. A HP Ge detector (11% relative efficiency) and a surrounded Nal crystal (254 mm diameter and 304 mm length) are connected to coincidence and multiparameter acquisition unit. The system performances are shown for 137Cs and 60Co. An example is described in each using mode: radioactive waste source anti-Compton measure with 60Co great activity and 134Cs weak activity gamma coincidence measure in fission products spectra. (authors). 5 figs., 1 tab., 13 refs

Part of:
Gamma and X 93 spectrometry

Additional details

Additional titles

Original title (French)
Mesure de faibles activites dans un melange de plusieurs radionucleides au moyen d'un systeme a suppression Compton et a coincidences gamma

Publishing Information

Imprint Title
Gamma and X 93 spectrometry
Imprint Pagination
422 p.
Journal Page Range
p. 297-302.
Report number
CEA-N--2756

Conference

Title
Meetings of Gamma and X 93 Spectrometry.
Original Conference Title
Journees de Spectrometrie Gamma et X 93
Dates
12-14 Oct 1993.
Place
Saint-Remy-les-Chevreuse (France).

INIS

Country of Publication
France
Country of Input or Organization
France
INIS RN
26037993
Subject category
S46: INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; S12: MANAGEMENT OF RADIOACTIVE WASTES, AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES;
Resource subtype / Literary indicator
Conference
Descriptors DEI
ACTIVITY LEVELS; BACKGROUND NOISE; CESIUM 134; CESIUM 137; COBALT 60; COINCIDENCE CIRCUITS; COINCIDENCE SPECTROMETRY; COMPTON EFFECT; COMPTON SPECTROMETERS; DATA ACQUISITION SYSTEMS; ENERGY SPECTRA; FISSION PRODUCTS; GAMMA RADIATION; GAMMA SPECTRA; GAMMA SPECTROSCOPY; HIGH-LEVEL RADIOACTIVE WASTES; HIGH-PURITY GE DETECTORS; ISOTOPE DATING; ISOTOPE RATIO; LOW-LEVEL RADIOACTIVE WASTES; NAI DETECTORS; RADIOACTIVE WASTE PROCESSING; RADIOACTIVITY; RADIOISOTOPES
Descriptors DEC
AGE ESTIMATION; BASIC INTERACTIONS; BETA DECAY RADIOISOTOPES; BETA-MINUS DECAY RADIOISOTOPES; CESIUM ISOTOPES; COBALT ISOTOPES; COINCIDENCE METHODS; COUNTING TECHNIQUES; ELASTIC SCATTERING; ELECTROMAGNETIC INTERACTIONS; ELECTROMAGNETIC RADIATION; ELECTRON CAPTURE RADIOISOTOPES; ELECTRONIC CIRCUITS; GAMMA SPECTROMETERS; GE SEMICONDUCTOR DETECTORS; HOURS LIVING RADIOISOTOPES; INTERACTIONS; INTERMEDIATE MASS NUCLEI; INTERNAL CONVERSION RADIOISOTOPES; IONIZING RADIATIONS; ISOMERIC TRANSITION ISOTOPES; ISOTOPES; MANAGEMENT; MATERIALS; MEASURING INSTRUMENTS; MINUTES LIVING RADIOISOTOPES; NOISE; NUCLEI; ODD-EVEN NUCLEI; ODD-ODD NUCLEI; RADIATION DETECTORS; RADIATIONS; RADIOACTIVE MATERIALS; RADIOACTIVE WASTES; SCATTERING; SCINTILLATION COUNTERS; SEMICONDUCTOR DETECTORS; SOLID SCINTILLATION DETECTORS; SPECTRA; SPECTROMETERS; SPECTROSCOPY; WASTE MANAGEMENT; WASTE PROCESSING; WASTES; YEARS LIVING RADIOISOTOPES

Optional Information

Notes
Imprint:Spectrometrie gamma et X 93.