Abstract.
The post-emission total kinetic energy release (TKE) in the neutron-induced fission of 232Th was measured (using white spectrum neutrons from LANSCE) for neutron energies from \( E_{n} = 3\) to 91MeV. In this energy range the average post-neutron total kinetic energy release decreases from \( 162.3 \pm 0.3\) at \( E_n = 3\) MeV to \( 154.9 \pm 0.3\) MeV at \( E_n = 91\) MeV. Analysis of the fission mass distributions indicates that the decrease in TKE with increasing neutron energy is a combination of increasing yields of symmetric fission (which has a lower associated TKE) and a decrease in the TKE release in asymmetric fission.
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King, J., Yanez, R., Loveland, W. et al. The total kinetic energy release in the fast neutron-induced fission of 232Th . Eur. Phys. J. A 53, 238 (2017). https://doi.org/10.1140/epja/i2017-12436-9
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DOI: https://doi.org/10.1140/epja/i2017-12436-9