Please use this identifier to cite or link to this item: https://apo.ansto.gov.au/dspace/handle/10238/802
Title: Comparison of resonance absorption theory used in the codes GYMEA and PEAS and evaluation of residual background reaction rates
Authors: Cook, JL
Wall, AL
Keywords: Computer codes
Reaction kinetics
Resonance absorption
Thorium 232
Uranium 235
Plutonium 240
Cross sections
Issue Date: Dec-1966
Publisher: Australian Atomic Energy Commission
Citation: Cook, J. L., & Wall, A.L. (1967). Comparison of resonance absorption theory used in the codes gymea and peas and evaluation of residual background reaction rates. (AAEC/TM362). Lucas Heights, NSW: Research Establishment, Australian Atomic Energy Commission.
Abstract: Details of the resonance theory used in the code GYMEA are described and compared with exact solutions for resonance's in Th232, U235, and Pu240. The relative merits of two methods for including background cross sections are evaluated, by an exhaustive study of the reaction rates across the resonance's. It was found that the analytical procedure for calculating resonance reaction rates leads to tolerable errors in reactor physics calculations. The resonance adjusted calculations emerged as the most accurate method for computing the fine structure of the reaction rates across a resonance.
Gov't Doc #: 812
URI: http://apo.ansto.gov.au/dspace/handle/10238/802
Other Identifiers: AAEC-TM-362
Appears in Collections:Scientific and Technical Reports

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