Radiation shielding for neutron guides

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dc.contributor.authorErsez, Ten_AU
dc.contributor.authorBraoudakis, Gen_AU
dc.contributor.authorOsborn, JCen_AU
dc.date.accessioned2022-12-11T23:06:01Zen_AU
dc.date.available2022-12-11T23:06:01Zen_AU
dc.date.issued2006-11-15en_AU
dc.date.statistics2022-05-14en_AU
dc.descriptionPhysical copy held by ANSTO Library at DDC 539.7213/3. Part IIen_AU
dc.description.abstractModels of the neutron guide shielding for the out of bunker guides on the thermal and cold neutron beam lines of the OPAL Reactor (ANSTO) were constructed using the Monte Carlo code MCNP 4B. The neutrons that were not reflected inside the guides but were absorbed by the supermirror (SM) layers were noted to be a significant source of gammas. Gammas also arise from neutrons absorbed by the B, Si, Na and K contained in the glass. The proposed shielding design has produced compact shielding assemblies. These arrangements are consistent with safety requirements, floor load limits, and cost constraints. To verify the design a prototype was assembled consisting of 120 mm thick Pb(96%)Sb(4%) walls resting on a concrete block. There was good agreement between experimental measurements and calculated dose rates for bulk shield regions. Crown Copyright © 2006 Published by Elsevier B.V.en_AU
dc.identifier.citationErsez, T., Braoudakis, G., & Osborn, J. C. (2006). Radiation shielding for neutron guides. Paper presented at the Eighth International Conference on Neutron Scattering (ICNS 2005), "Neutrons for structure and dynamics - a new era", Sydney, Australia, 27 November to 2 December 2005. In Campbell, S. J., Cadogan, J. M., Furusaka, M., Hauser, N., & James, M. (Eds), Physica B: Condensed Matter, 385-386(Part 2), 1268-1270. doi:10.1016/j.physb.2006.06.028en_AU
dc.identifier.conferenceenddate2 December 2005en_AU
dc.identifier.conferencenameEighth International Conference on Neutron Scattering ICNS 2005: 'Neutrons for structure and dynamics - a new eraen_AU
dc.identifier.conferenceplaceSydney, Australiaen_AU
dc.identifier.conferencestartdate27 November 2005en_AU
dc.identifier.editorsCampbell, S. J., Cadogan, J. M., Furusaka, M., Hauser, N., & James, M.en_AU
dc.identifier.issn0921-4526en_AU
dc.identifier.issuePart 2en_AU
dc.identifier.journaltitlePhysica B: Condensed Matteren_AU
dc.identifier.pagination1268-1270en_AU
dc.identifier.urihttps://doi.org/10.1016/j.physb.2006.06.028en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/14174en_AU
dc.identifier.volume385-386en_AU
dc.language.isoenen_AU
dc.publisherElsevier B. V.en_AU
dc.subjectANSTOen_AU
dc.subjectGlassen_AU
dc.subjectNeutronsen_AU
dc.subjectDesignen_AU
dc.subjectDose ratesen_AU
dc.subjectMonte Carlo Methoden_AU
dc.subjectNeutron absorbersen_AU
dc.subjectNeutron guidesen_AU
dc.subjectNeutron reflectorsen_AU
dc.subjectRadiation protectionen_AU
dc.subjectReflective coatingsen_AU
dc.subjectSafety standardsen_AU
dc.subjectShielding materialsen_AU
dc.titleRadiation shielding for neutron guidesen_AU
dc.typeConference Paperen_AU
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