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Simulation of singular collision kernels in adjoint random walk

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Abstract

The problem of taking account of secondary monoenergetic radiation in solving the adjoint transport equation by the Monte Carlo method is investigated A general approach based on the generalized particle concept developed previously by the authors is proposed to overcome the difficulties due to the presence of discrete states at the input of the adjoint collision kernel. The scheme developed is applicable to the calculation of the energy-release due to annihilation radiation created during the generation of electron-positron pairs. Calculations for the direct and adjoint transport equations give statistically indistinguishable results. For thin sensitive layers the adjoint method is more efficient. 1 figure, 1 table, 6 references.

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References

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Authors
  1. N. M. Borisov
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  2. M. P. Panin
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Additional information

Moscow Engineering Physics Institute. Translated from Atomnaya Énergiya, Vol. 86, No. 3, pp. 178–183, March, 1999.

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Borisov, N.M., Panin, M.P. Simulation of singular collision kernels in adjoint random walk. At Energy 86, 177–182 (1999). https://doi.org/10.1007/BF02672943

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  • DOI: https://doi.org/10.1007/BF02672943

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