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

ZHENG Na; ZHONG Chun-Lai; FAN Tie-Shuan

doi:10.1088/1674-1137/35/10/008

Chinese Physics C> 2011, Vol. 35> Issue(10) : 930-934 DOI: 10.1088/1674-1137/35/10/008

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

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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

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Received: 2010-12-28
Revised: 1900-01-01

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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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

Received Date: 2010-12-28

Accepted Date: 1900-01-01

Available Online: 2011-10-05

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

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

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

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

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

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