Nuclear Science and Engineering / Volume 27 / Number 3 / March 1967 / Pages 564-567
Technical Paper / dx.doi.org/10.13182/NSE86-A17622
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The effect of air channels on the diffusion length of thermal neutrons in light water was measured and calculated. The comparison between experimental results, Monte Carlo calculations, and values derived using Behrens and Benoist formulae show a good agreement for the longitudinal diffusion length. In the transverse case, Benoist's method agrees with Monte Carlo results better than Behrens' values.