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High-sensitivity activation neutron detector

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Measurement Techniques Aims and scope

Abstract

We demonstrate that neutron fluences of nearly 1000 cm−2 can be measured when the fonctions of an activation detector and a device for recording induced activity are combined in one object i.e., a NaI(Tl) scintillation crystal. The beta radiation of the product from the127I(n, γ)128 reaction is detected with close to 100% efficiency by the crystal. The detector can be used in work with low-intensity sources of neutron fields such as neutron generators, radiosotope sources, and TOKAMAK devices.

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References

  1. V. D. Sevast'yanov, Izmer. Tekh., No. 2, 50 (1990).

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  2. K. Bekurtz and L. Wirtz, Neutron Physics [Russian translation], Atomizdat, Moscow (1968).

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  3. Handbook of Beta Radiation of Fission Products [in Russian], Atomizdat, Moscow (1978).

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Authors
  1. S. Yu. Antropov
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  2. A. P. Ermilov
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Additional information

Translated from Izmeritel'naya Tekhnika, No. 2, p. 56, February, 1995.

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Antropov, S.Y., Ermilov, A.P. High-sensitivity activation neutron detector. Meas Tech 38, 227–228 (1995). https://doi.org/10.1007/BF00979641

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  • DOI: https://doi.org/10.1007/BF00979641

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