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Evaluation of Delayed-Neutron Emission Probabilities

F. M. Mann, M. Schreiber, R. E. Schenter T. R. England

Nuclear Science and Engineering / Volume 87 / Number 4 / August 1984 / Pages 418-431

Technical Paper / dx.doi.org/10.13182/NSE84-A18508

Delayed-neutron precursor data are being compiled in preparation of a new ENDF/B evaluation of delayed-neutron data. The probability of delayed-neutron emission, Pn, has been updated using ENDF/B-VM fission product yields and ENDF/B-V fission product decay data. Evaluations of 77 precursors are presented along with their effect on fission yields, Pn systematics, and calculational models.