CGMF & FREYA Verification in Monte Carlo Code RMC

Monte Carlo simulation has become a crucial method internationally for simulating neutron multiplicity counting devices. This method requires sampling of fission neutron multiplicities, energies, and directions, making accurate simulation of fission events highly important. To meet this demand, the...

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Bibliographic Details
Published in:EPJ Web of conferences 2024, Vol.302, p.13001
Main Authors: Gou, Yuanhao, Liu, Zhaoyuan, Jia, Conglong, Wang, Kan
Format: Article
Language:English
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Summary:Monte Carlo simulation has become a crucial method internationally for simulating neutron multiplicity counting devices. This method requires sampling of fission neutron multiplicities, energies, and directions, making accurate simulation of fission events highly important. To meet this demand, the Fission Reaction Event Yield Algorithm (FREYA) and the Cascading Gammaray Multiplicity with Fission (CGMF) models have been integrated into RMC. These models can simulate individual fission events, preserving momentum, energy, and angular momentum, and then emit correlated particles. In addition to simulating fission neutrons, CGMF and FREYA models have been employed to compute fission photons, laying the foundation for subsequent photon multiplicity counting. Simultaneously, neutron multiplicity counting has been calculated using CGMF and FREYA, and point model equations have been used to invert Pu material, yielding favorable results.
ISSN:2100-014X
2100-014X
DOI:10.1051/epjconf/202430213001