Monte Carlo simulation of fission yields, kinetic energy, fission neutron spectrum and decay γ-ray spectrum for 232Th(n,f) reaction induced by 3H(d,n) 4He neutron source

Zheng, Wei; Yao, Ze; Lan, Changlin; Chen, Jingen; Yan, Yan; Shi, Yunjian; Yan, Siqi; Wang, Jie; Wang, Junrun

doi:10.1007/s10967-014-3910-7

Cited by 9 publications

(5 citation statements)

References 20 publications

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“…2), which indicates that the potential-driving model can reproduce the measured results at different incident energies. In particular, taking into account the energy dependence of evaporation neutrons from the reactions [32,33], the potential-driving model can calculate pre-neutron emission Our group has previously simulated neutron-induced fission of actinide nuclei based on the built-in G4ParaFis-sionModel [34,35]. In this work, the potential-driving model is implemented in Geant4 as replacement of the G4ParaFissionModel.…”

Section: Pre-neutron Emission Fission-fragment Mass Distributionsmentioning

confidence: 99%

Monte Carlo simulation of fast neutron-induced fission of ²³⁷Np *

et al. 2019

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The potential-driving model is used to describe the driving potential distribution and to calculate the pre-neutron emission mass distributions for different incident energies in the reaction. The potential-driving model is implemented in Geant4 and used to calculate the fission-fragment yield distributions, kinetic energy distributions, fission neutron spectrum and the total nubar for the reaction. Compared with the built-in G4ParaFissionModel, the calculated results from the potential-driving model are in better agreement with the experimental data and evaluated data. Given the good agreement with the experimental data, the potential-driving model in Geant4 can describe well the neutron-induced fission of actinide nuclei, which is very important for the study of neutron transmutation physics and the design of a transmutation system.

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Section: Pre-neutron Emission Fission-fragment Mass Distributionsmentioning

confidence: 99%

Monte Carlo simulation of fast neutron-induced fission of ²³⁷Np *

et al. 2019

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“…The AC/DC module of COMSOL was used to investigate the field maps, including electric field and weighting potential [13]. On the other hand, Geant4 is a Monte-Carlo transport toolkit that has proven to be an efficient tool for studying the properties of the fission products for neutron-induced fission and the FFs transportation [16][17][18]. In this study, Geant4 was used to perform the generation of the FFs and their transportation.…”

Section: Jinst 18 P06019mentioning

confidence: 99%

A method to simulate Twin Frisch-grid ionization chamber response to fission fragments

Liu¹,

Tao²,

Peng

et al. 2023

J. Inst.

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In this study, the response of a Twin Frisch-grid ionization chamber (TFGIC) to fission fragments (FFs) was investigated using finite element and Monte Carlo methods. The entire process of the fission experiments, including FFs generation, gas ionization, electron drift and collection, and induced charge signal were well reproduced. Through data analysis, pulse height spectra from the anode and grid were transformed into energy and emission-angle information for the FFs. By means of double energy method, the pre-neutron emission fission fragment mass and total kinetic energy (TKE) can be finally determined. Experimental and calculated data of the mass and TKE distribution are shown in good agreement.

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“…The calculation of energy loss of FFs was performed by the typical Monte-Carlo transport toolkit, Geant4 code [19]. In previous works [20,21], G4ParaFissionModel class is introduced to generate the fission fragments. It was successfully used to describe the fission characteristics of neutroninduced actinide fission reaction.…”

Section: Simulation Descriptionmentioning

confidence: 99%

Study on energy-loss compensation correction method for fission fragments

Liu¹,

Hu²,

Xie³

et al. 2021

J. Inst.

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Monte Carlo simulation of fission yields, kinetic energy, fission neutron spectrum and decay γ-ray spectrum for 232Th(n,f) reaction induced by 3H(d,n) 4He neutron source

Cited by 9 publications

References 20 publications

Monte Carlo simulation of fast neutron-induced fission of ²³⁷Np *

Monte Carlo simulation of fast neutron-induced fission of ²³⁷Np *

A method to simulate Twin Frisch-grid ionization chamber response to fission fragments

Study on energy-loss compensation correction method for fission fragments

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Monte Carlo simulation of fission yields, kinetic energy, fission neutron spectrum and decay γ-ray spectrum for 232Th(n,f) reaction induced by 3H(d,n) 4He neutron source

Cited by 9 publications

References 20 publications

Monte Carlo simulation of fast neutron-induced fission of 237Np *

Monte Carlo simulation of fast neutron-induced fission of 237Np *

A method to simulate Twin Frisch-grid ionization chamber response to fission fragments

Study on energy-loss compensation correction method for fission fragments

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Product

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Monte Carlo simulation of fast neutron-induced fission of ²³⁷Np *

Monte Carlo simulation of fast neutron-induced fission of ²³⁷Np *