Measurements in pulsed BeO assemblies with decay constants in the region of Corngold's limit.

Simple item page
dc.contributor.authorRainbow, MTen_AU
dc.contributor.authorRitchie, AIMen_AU
dc.date.accessioned2007-11-22T04:34:18Zen_AU
dc.date.accessioned2010-04-30T04:42:06Zen_AU
dc.date.available2007-11-22T04:34:18Zen_AU
dc.date.available2010-04-30T04:42:06Zen_AU
dc.date.issued1968-05en_AU
dc.description.abstractDecay curves have been measured in BeO assemblies with bucklings in the range 1.93 x 10 -2 cm-2 to 5.34 x 10 -2 cm-2 at times from immediately after the initial pulse to at least 4.5 ms after the pulse. The decay curves for assemblies with B2 < 2.91 x 10 -2 cm-2 can be described by an exponential, from a minimum of 1.5 ms after the pulse to greater than 3.0 ms after the pulse. For bucklings greater than B2 = 3.3 x 10 -2 cm-2 the decay curves cannot be described by an exponential in this time region, and the departure from exponential increases with increased buckling. The results indicate a transition region at B2 ~ 3.0 x 10 -2 cm-2, (λ ~ 3.65 x 10 3 sec-1) which is consistent with the expression proposed by Kothari for the upper limit on discrete decay constants and well above Corngold's limit of λ* = (υΣinel) min ~ 2.5 x 10 3 sec-1. The transition point does not have any marked shape dependence. There is some shape dependence in the behaviour of decay curves for assemblies with B2 > 3.3 x 10 -2 cm-2 but little dependence of pulse length, or counter shape and position.en_AU
dc.identifier.citationRainbow, M. T., & Ritchie, M. T. (1968). Measurements in pulsed BeO assemblies with decay constants in the region of Corngold's limit.(AAEC/TM456). Lucas Heights, NSW: Australian Atomic Energy Commission.en_AU
dc.identifier.govdoc906en_AU
dc.identifier.otherAAEC-TM-456en_AU
dc.identifier.placeofpublicationLucas Heights, New South Walesen_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/897en_AU
dc.language.isoen_auen_AU
dc.publisherAustralian Atomic Energy Commissionen_AU
dc.subjectDecayen_AU
dc.subjectBucklingen_AU
dc.subjectBeryllium oxidesen_AU
dc.subjectData analysisen_AU
dc.subjectDiagramsen_AU
dc.titleMeasurements in pulsed BeO assemblies with decay constants in the region of Corngold's limit.en_AU
Files
Original bundle
Now showing 1 - 1 of 1
Thumbnail Image
Name:
AAEC-TM-456.pdf
Size:
799.99 KB
Format:
Adobe Portable Document Format
Description:
Download
Collections
Scientific and Technical Reports