The Measurement of Absolute Delayed-Neutron Yields from 3.1- and 14.9-MeV Fission
- 12 May 1969
- journal article
- research article
- Published by Taylor & Francis in Nuclear Science and Engineering
- Vol. 36 (2) , 202-208
- https://doi.org/10.13182/nse69-a19717
Abstract
A new method, utilizing a modulated neutron source operated in antisynchronism with a long counter, has been used to measure the absolute and relative delayed-neutron yields of five fissionable isotopes for neutron-induced fission at 3.1 and 14.9 MeV. The results, in units of delayed neutrons per fission, for 14.9-MeV fission are: The measured ratios of delayed-neutron yields at 3.1-MeV to those at 14.9-MeV fission are: These new delayed-neutron yield data are in accord with qualitative theoretical predictions but are in marked disagreement with earlier measurements.Keywords
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