This study describes the angular distributions of nuclear fission fragments, based on the following main approaches: the fissile nucleus remains cold until it scission into fission fragments, the formation of spin and orbital moments of fission fragments occurs due to transverse bending and wriggling vibrations. Using the wave functions of zero transverse bending and wriggling vibrations, an analytical formula was constructed to estimate the average value of the orbital momentum and the angular distribution of fission fragments. These results are important for understanding nuclear fission processes and can be used to model them more accurately.
27.90.+b A ≥ 220
25.85.Ca Spontaneous fission
$^1$Voronezh State University, Faculty of Physics, Department of Nuclear Physics
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