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Calculation of the γ radiation field behind a two-layer barrier by means of the perturbation method

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Abstract

A calculation is made of the transition of γ radiation across a two-layer barrier when the thickness of the second layer is small, In this case its effect can be treated as a perturbation. By means of some transformations the integral term is excluded. This allows us to find in analytic form the relation between the γ radiation flux (which is differential with respect to angles and energies) behind the two-layer barrier, and the unperturbed flux behind the first layer. The formula thus obtained was used to calculate the dosage pile-up factor behind a two-layer lead-water barrier. The results of the calculation agree satisfactorily with literature data.

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References

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Authors and Affiliations

  1. Kirov Tomsk Polytechnic Institute, USSR

    A. M. Kol'chuzhkin & V. V. Uchaikin

Authors
  1. A. M. Kol'chuzhkin
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  2. V. V. Uchaikin
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Kol'chuzhkin, A.M., Uchaikin, V.V. Calculation of the γ radiation field behind a two-layer barrier by means of the perturbation method. Soviet Physics Journal 11, 45–47 (1968). https://doi.org/10.1007/BF00823029

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  • DOI: https://doi.org/10.1007/BF00823029

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