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Abstract <p>When simulating neutron <i>dd</i> generators, it is necessary to take into account the drop in the deuteron energy at the simulation step, which leads to a rapid drop in the cross sections of inelastic <i>dd</i>-interactions. An algorithm for optimally choosing a simulation step size for inelastic <i>dd</i> interaction is proposed, which takes into account the deuteron energy drop at the step. Using the Lindhard law (at low energies, the energy losses of a charged particle are proportional to its velocity), an algorithm for correcting deuteron energy losses at the step is developed. Using these algorithms, it is possible to speed up the simulation of a neutron <i>dd</i> generator target by an order of magnitude.</p>

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Algorithm for Energy Correction of Cross Sections at the Simulation Step in the Determination of the Neutron Yield in a Neutron Generator Target

  • 期刊论文

  • 发表日期：

    2025年12月21日

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  • A. A. Galyuzov,
  • M. V. Kosov

摘要

Abstract

When simulating neutron dd generators, it is necessary to take into account the drop in the deuteron energy at the simulation step, which leads to a rapid drop in the cross sections of inelastic dd-interactions. An algorithm for optimally choosing a simulation step size for inelastic dd interaction is proposed, which takes into account the deuteron energy drop at the step. Using the Lindhard law (at low energies, the energy losses of a charged particle are proportional to its velocity), an algorithm for correcting deuteron energy losses at the step is developed. Using these algorithms, it is possible to speed up the simulation of a neutron dd generator target by an order of magnitude.