2023 Fall Meeting

Presentation information

Oral presentation

II. Radiation, Accelerator, Beam and Medical Technologies » 201-1 Nuclear Physics, Nuclear Data Measurement/Evaluation/Validation, Nuclear Reaction Technology

[2N15-18] Fission Reaction

Thu. Sep 7, 2023 4:10 PM - 5:15 PM Room N (School of Eng. Bildg. 2F 521)

Chair:Nobuyuki Iwamoto(JAEA)

4:55 PM - 5:10 PM

[2N18] Langevin trajectory analysis for a better understanding of the fission mechanism

*Chikako Ishizuka Ishizuka1, Yuta Mukobara1, Satoshi Chiba1,2 (1. Tokyo Tech, 2. NAT)

Keywords:Nuclear fission, Fission yield, TKE

Our four-dimensional Langevin model can systematically reproduce experimental fission properties of mass yields and the total kinetic energies of the nuclear fission of actinides. The mass yield is the most sensitive to a compound nucleus neutron/proton number among fission observables. Sometimes the mass yield structure is very different from each other, even in neighboring isotopes. We have analyzed the Langevin trajectories by applying machine learning techniques to find the common things that derive such sudden changes in mass yield structures. This presentation will report our latest progress.

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