Geant4 simulation of the moderating neutrons spectrum

被引：3

作者：

Smolyar, V. P. ^{[1
]}

Tarasov, V. A. ^{[1
]}

Mileva, A. O. ^{[1
]}

Tykhonov, A. V. ^{[2
]}

Rusov, V. D. ^{[1
]}

机构：

[1] Odessa Polytech Natl Univ, Dept Theoret & Expt Nucl Phys, Odessa, Ukraine

[2] Univ Geneva, Dept Nucl & Particle Phys, CH-1211 Geneva, Switzerland

来源：

RADIATION PHYSICS AND CHEMISTRY | 2023年 / 212卷

关键词：

Neutron spectrum; Neutron moderation; Geant4; Monte Carlo; WAVE;

D O I：

10.1016/j.radphyschem.2023.111151

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this paper we deal with the problem of predicting a steady-state neutron spectrum in media of arbitrary composition and geometry. The analytical calculations of such spectrum are often too complex, if at all possible. We describe a method of Geant4-based Monte Carlo calculation of the steady-state neutron spectrum in a medium containing a fixed neutron source. In addition to the steady-state spectrum, we obtain the snapshots of the neutron spectrum evolution in time, which may be thought of as the non-equilibrium neutron spectra, and their form is of considerable interest for further studies.

引用

页数：12

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