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Title: Effect of missing levels on the observed channels open in neutron fission
Authors: Clancy, BE
Cook, JL
Rose, EK
Keywords: Uranium 235
Energy levels
Cross sections
Level widths
Fission neutrons
Issue Date: Mar-1978
Publisher: Australian Atomic Energy Commission
Citation: Clancy, B. E., Cook, J. L., & Rose, E. K., (1978). The effect of missing levels on the observed channels open in neutron fission (AAEC-E-444). Lucas Heights, NSW: Australian Atomic Energy Commission, Research Establishment.
Abstract: It is shown that the effect of missing small fission widths in the analysis of a fission width distribution is to give an apparent number of channels open greater than the actual number open. This is demonstrated both by a numerical experiment and by analytical considerations. A set of resolution probabilities is postulated such that when the apparent distribution is calculated from the true distribution, the effective number of degrees of freedom increases by a specific amount. The theory is applied to the experimental set of fission widths for neutron fission of 235U in both the J = 3 and 4 states.
Gov't Doc #: 670
ISBN: 0642596486
Other Identifiers: AAEC-E-444
Appears in Collections:Scientific and Technical Reports

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