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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.","abstract_html":"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.","abstract_has_math":false,"creators":["Anthony, Lee Saunders"],"institution":"Virginia Polytechnic Institute","degree_name":"Master of Science","degree_level":"masters","degree_discipline":"Nuclear Engineering Physics","degree_department":"Nuclear Engineering Physics","school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1958,"date_issued":"1958","date_published":"1958","updated_at":"2026-07-22T22:19:03Z","subjects":[],"languages":["en_US"],"rights":["In Copyright"],"rights_urls":["http://rightsstatements.org/vocab/InC/1.0/"],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/10919/53017","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.department","label":"Department","values":["Nuclear Engineering Physics"]},{"key":"dc:creator","label":"Author","values":["Anthony, Lee Saunders"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2015-06-23T19:08:01Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2015-06-23T19:08:01Z"]},{"key":"dc:date.issued","label":"Date","values":["1958"]},{"key":"dc:publisher","label":"Institution","values":["Virginia Polytechnic Institute"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]},{"key":"dc:type.dcmitype","label":"Dc Type Dcmitype","values":["Text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Nuclear Engineering Physics"]},{"key":"thesis:degree_level","label":"Degree Level","values":["masters"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Science"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["Virginia Polytechnic Institute"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["en_US"]},{"key":"dc:rights","label":"Dc Rights","values":["In Copyright"]},{"key":"dc:rights.uri","label":"Rights URI","values":["http://rightsstatements.org/vocab/InC/1.0/"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/10919/53017"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["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."]},{"key":"dc:description.degree","label":"Dc Description Degree","values":["Master of Science"]},{"key":"dc:format.mimetype","label":"Dc Format Mimetype","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["The design and construction of a laboratory facility for the measurement of reactor moderator parameters"]}]}],"canonical_facts":{"dc:contributor.department":["Nuclear Engineering Physics"],"dc:creator":["Anthony, Lee Saunders"],"dc:date.accessioned":["2015-06-23T19:08:01Z"],"dc:date.available":["2015-06-23T19:08:01Z"],"dc:date.issued":["1958"],"dc:description.abstract":["A Sigma Pile was constructed to serve as a laboratory facility at V.P.I. 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