Estimation of the Effective Multiplication Factor and the Prompt Neutron Multiplication Constant for Fast Neutron Systems

Simple analytical dependences of the integral parameters, i.e., the effective multiplication factor and prompt neutron multiplication constant, on the size, density, and gap between the parts of the multiplying system have been considered. The results of calculations using formulas are compared with...

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Bibliographic Details
Published in:Physics of atomic nuclei 2023-12, Vol.86 (8), p.1763-1767
Main Authors: Ershova, L. S., Lukin, A. V.
Format: Article
Language:English
Subjects:
Fast neutrons
Monte Carlo method
Monte Carlo simulation
Multiplication
Nuclear energy
Particle and Nuclear Physics
Physics
Physics and Astronomy
System effectiveness
Uranium
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Summary:Simple analytical dependences of the integral parameters, i.e., the effective multiplication factor and prompt neutron multiplication constant, on the size, density, and gap between the parts of the multiplying system have been considered. The results of calculations using formulas are compared with those obtained by the Monte Carlo method for spheres and cylinders made of 235 U.
ISSN:1063-7788
1562-692X
DOI:10.1134/S1063778823080057