Multi-modal calculations of prompt fission neutrons from 238U(n, f) at low induced energy

  • Properties of prompt fission neutrons from 238U(n, f) are calculated for incident neutron energies below 6 MeV using the multi-modal model, including the prompt fission neutron spectrum, the average prompt fission neutron multiplicity, and the prompt fission neutron multiplicity as a function of the fission fragment mass υ(A) (usually named “sawtooth” data) The three most dominant fission modes are taken into account. The model parameters are determined on the basis of experimental fission fragment data. The predicted results are in good agreement with the experimental data.
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ZHENG Na, ZHONG Chun-Lai and FAN Tie-Shuan. Multi-modal calculations of prompt fission neutrons from 238U(n, f) at low induced energy[J]. Chinese Physics C, 2011, 35(10): 930-934. doi: 10.1088/1674-1137/35/10/008
ZHENG Na, ZHONG Chun-Lai and FAN Tie-Shuan. Multi-modal calculations of prompt fission neutrons from 238U(n, f) at low induced energy[J]. Chinese Physics C, 2011, 35(10): 930-934.  doi: 10.1088/1674-1137/35/10/008 shu
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Received: 2010-12-28
Revised: 1900-01-01
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Multi-modal calculations of prompt fission neutrons from 238U(n, f) at low induced energy

Abstract: Properties of prompt fission neutrons from 238U(n, f) are calculated for incident neutron energies below 6 MeV using the multi-modal model, including the prompt fission neutron spectrum, the average prompt fission neutron multiplicity, and the prompt fission neutron multiplicity as a function of the fission fragment mass υ(A) (usually named “sawtooth” data) The three most dominant fission modes are taken into account. The model parameters are determined on the basis of experimental fission fragment data. The predicted results are in good agreement with the experimental data.

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