The design and construction of a laboratory facility for the measurement of reactor moderator parameters
Anthony, Lee Saunders
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A Sigma Pile was constructed to serve as a laboratory facility at V.P.I. Reproducible foil positions are possible with the positioning plates installed on the pile. Withdrawal of the two outer blocks in each foil channel is facilitated by a coupling mechanism. Five source positions permit operation with reduced harmonics. The neutron distribution in the pile was proven to be symmetric by horizontal and vertical traverses. By means of a diffusion length measurement, which gave an "L” of 54.5 ± 2 cm, and a Fermi Age measurement, which gave a "r” of 357 ± 5 cm², the parameters of the pile were shown to be in good agreement with published data on graphite.
- Masters Theses