Fast neutron flux and spectrum measurements in HIFAR

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dc.contributor.authorNicholson, KPen_AU
dc.contributor.authorQuealy, WRen_AU
dc.date.accessioned2007-11-22T04:28:12Zen_AU
dc.date.accessioned2010-04-30T04:38:59Zen_AU
dc.date.available2007-11-22T04:28:12Zen_AU
dc.date.available2010-04-30T04:38:59Zen_AU
dc.date.issued1961-03en_AU
dc.description.abstractThis report presents the results of measurements on the fast neutron fluxes and energy spectra in the core and 2V experimental facilities of HIFAR using threshold detectors. The following reactions were used: P31(n,p)Si31, S32(n,p)P32, Ni58(n,p)Co58, A127(n,α)Na24. The total fission flux in the flux scanning tubes were found to be 23 ± 3 per cent. of the total effective flux at the same position, having a maximum value of 4.3 x 10 13 neutrons cm-2 sec-1 (approximately 8.3 MW thermal), for a maximum effective flux of 1.7 x 10 14 neutrons cm-1 sec-1. A neutron energy spectrum differing only slightly from a fission spectrum shape was found in all positions. The use of the Ni58(n,p)Co50 reaction as a fast flux monitor is discussed.en_AU
dc.identifier.citationNicholson, K. P. & Quealy, W. R. (1961). Fast neutron flux and spectrum measurements in HIFAR. (AAEC/E59). Lucas Heights, NSW: Australian Atomic Energy Commission.en_AU
dc.identifier.govdoc712en_AU
dc.identifier.otherAAEC-E-59en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/702en_AU
dc.language.isoen_auen_AU
dc.publisherAustralian Atomic Energy Commissionen_AU
dc.subjectHIFAR Reactoren_AU
dc.subjectFast neutronsen_AU
dc.subjectNeutron fluxen_AU
dc.subjectSpectraen_AU
dc.subjectThreshold detectorsen_AU
dc.titleFast neutron flux and spectrum measurements in HIFARen_AU
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