Influence of energy partition in fission and pre-neutron fragment distributions on post-neutron fragment yields, application for 235U(nth,f)

Tudora, Anabella

doi:10.1140/epja/s10050-022-00766-y

Eur. Phys. J. A

2022

DOI: 10.1140/epja/s10050-022-00766-y

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Influence of energy partition in fission and pre-neutron fragment distributions on post-neutron fragment yields, application for 235U(nth,f)

Anabella Tudora

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Cited by 9 publications

References 39 publications

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Influence of energy partition in fission and pre-neutron fragment distributions on post-neutron fragment yields, application for ²³⁵U(n_th,f)

Tudora

2023

EPJ Web of Conf.

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The key role in the calculation of post-neutron fragment yields (independent FPY) is played by the pre-neutron fragment distributions Y(A,TKE) and the prompt neutron multiplicity (calculated in the frame of a prompt emission model). The knowledge of excitation energies of fully accelerated fragments is crucial in any prompt emission model. So that the influence on independent FPY of two methods of total excitation energy (TXE) partition, one based on modeling at scission and another on a parameterization at the full acceleration of fragments, and of two reliable Y(A,TKE) data of 235U(nth,f) is investigated by using the deterministic prompt emission model with a detailed treatment of sequential emission DSE. The independent FPY results Y(Ap) and Y(Z,Ap) obtained with both methods of TXE partition and both Y(A,TKE) distributions describe reasonably well the experimental data. The use of different TXE partitions and Y(A,TKE) data does not change the positions of the most pronounced peaks and dips in the Y(Ap) structure, only their magnitude is influenced by Y(A,TKE), while the TXE partition influences the position of less pronounced peaks and dips in the structures of Y(Ap) and Y(Np) (Np=Ap-Z). The influence of both the TXE partition and the Y(A,TKE) data on different kinetic energy distributions of post-neutron fragments is less pronounced than that on Y(Ap) and Y(Np)

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Influence of energy partition in fission and pre-neutron fragment distributions on post-neutron fragment yields, application for ²³⁵U(n_th,f)

Tudora

2023

EPJ Web of Conf.

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Revisiting prompt emission calculations for ²⁵²Cf(SF) with focus on post-neutron fragment distributions and different correlations

Tudora

2024

EPJ Web of Conf.

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Connection of four-dimensional Langevin model and Hauser-Feshbach theory to describe statistical decay of fission fragments

Fujio,

Okumura,

Ishizuka

et al. 2023

Journal of Nuclear Science and Technology

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Influence of energy partition in fission and pre-neutron fragment distributions on post-neutron fragment yields, application for 235U(nth,f)

Cited by 9 publications

References 39 publications

Influence of energy partition in fission and pre-neutron fragment distributions on post-neutron fragment yields, application for ²³⁵U(n_th,f)

Influence of energy partition in fission and pre-neutron fragment distributions on post-neutron fragment yields, application for ²³⁵U(n_th,f)

Revisiting prompt emission calculations for ²⁵²Cf(SF) with focus on post-neutron fragment distributions and different correlations

Connection of four-dimensional Langevin model and Hauser-Feshbach theory to describe statistical decay of fission fragments

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Influence of energy partition in fission and pre-neutron fragment distributions on post-neutron fragment yields, application for 235U(nth,f)

Cited by 9 publications

References 39 publications