| Issue |
EPJ Web Conf.
Volume 292, 2024
16th Varenna Conference on Nuclear Reaction Mechanisms (NRM2023)
|
|
|---|---|---|
| Article Number | 08001 | |
| Number of page(s) | 8 | |
| Section | Fission | |
| DOI | https://doi.org/10.1051/epjconf/202429208001 | |
| Published online | 14 March 2024 | |
https://doi.org/10.1051/epjconf/202429208001
Characteristics of the fission fragments in the three-body model of binary fission
1 INFN Laboratori Nazionali di Legnaro, Legnaro(PD), Italy
2 Institute for Nuclear Research, Kiev, Ukraine
3 Faculty of Physics, Taras Shevchenko National University of Kiev, Kiev, Ukraine
* e-mail: v.yu.denisov@gmail.com
Published online: 14 March 2024
The evaluated nuclide yields, fragment mass and charge distributions, and averaged total kinetic energy of fission fragments for the neutroninduced fission of 30 actinide nuclei are well described in the new model, which considers the fissioning scission system consisting of two heavy fragments and an α-particle between them. The α-particle has its origin in the neck nucleons. The yield of fission fragments in the model is linked to the number of states over the barrier of the saddle point, which is between the contacting and well-separated fission fragments. The α-particle is fused with the nearest heavy fragment after passing the saddle point, therefore, two final fragments appear during fission. The quadrupole deformations of heavy fragments are taken into account in the model. The fragment yields depend on the heights of corresponding saddle points and the values of the equilibrium quadrupole deformation of fragments.
© The Authors, published by EDP Sciences, 2024
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