Light-particle emission from the fissioning nuclei 126Ba, 188Pt and (266,272,278)/110: theoretical predictions and experimental results
Pomorski, K. · Nerlo-Pomorska, B. · Surowiec, A. · Kowal, M. · Bartel, J. · Dietrich, K. · Richert, J. · Schmitt, C. · Benoit, B. · Brennand, E. de Goes · Donadille, L. · Badimon, C.
Original · EN
We present a comparison of our model treating fission dynamics in conjunction with light-particle (n, p, alpha) evaporation with the available experimental data for the nuclei 126Ba, 188Pt and three isotopes of the element Z=110. The dynamics of the symmetric fission process is described through the solution of a classical Langevin equation for a single collective variable characterizing the nuclear deformation along the fission path. A microscopic approach is used to evaluate the emission rates for pre-fission light particles. Entrance-channel effects are taken into account by generating an initial spin distribution of the compound nucleus formed by the fusion of two deformed nuclei with different relative orientations.
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