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Transformation of a single-channel gamma spectrometer into a computer controlled multichannel analyser

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Abstract

Gamma spectrometry is used in the analysis of radionuclides. Usually a spectrometer includes a detector (scintillator and photomultiplier) with a discriminator and a counter. We describe here the construction of the interface between a single-channel gamma spectrometer and an online minicomputer: by adding several (up to 7) parallel counting channels, this system increases the speed and ability of analysis as it scans simultaneously several energy ranges, it accomplishes automatic selection of settings (energy thresholds, time and pulse preset values) and it outputs results to a computer. The noticeable characteristics are its relatively low cost with no modifications to the initial spectrometer.

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References

  • De Vernejoul, P., Kellersohn, C. andMestan, J. (1971) Mesure du débit coronarien au moyen du radiocardiogrammeC.R.Acad. Sciences, Paris, 272–137.

  • Marchandise, X., Fulla, Y., Steinling, M. andVergnes, R. (1976) Intérêt de la comparaison des distributions tissulaires du Rb et du K étudiés par spectrophoto-métrie d'absorption atomique et par les radioisotopes.Lille Medical 21, 871–879.

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Authors and Affiliations

  1. Laboratoire de Biophysique, C.H.U., palce de Verdun Lille, France

    M. C. Vie, P. Dubois & X. Marchandise

  2. Institut Supérieur d'Electronique du Nord, Rue F. Baes Lille, France

    G. Leflon

Authors
  1. M. C. Vie
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  2. P. Dubois
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  3. X. Marchandise
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  4. G. Leflon
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Vie, M.C., Dubois, P., Marchandise, X. et al. Transformation of a single-channel gamma spectrometer into a computer controlled multichannel analyser. Med. Biol. Eng. Comput. 17, 68–72 (1979). https://doi.org/10.1007/BF02440955

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  • DOI: https://doi.org/10.1007/BF02440955

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