Abstract
Nuclear fission process is a complex large-amplitude dynamic process of quantum many-body systems, and the development of predictive fission descriptions is a well-known challenge in nuclear physics. To describe the fission observables, there are some phenomenological and semi-microscopic models, which rely on adjustments of parameters. The microscopic fission theory based on effective nuclear interactions in principle can avoid free parameters, but they are not ready for accurate applications. This work discussed about the fission of compound nuclei, which is particularly useful for synthesizing superheavy elements. In addition, we discussed the adiabatic and non-adiabatic microscopic fission models. The adiabatic fission model performs better in describing fission observables, while non-adiabatic fission models are valuable to explore fission mechanisms. We discussed the issues and challenges of current fission theories, and realized the fission process is extremely complicated, and some prospects of fission theory have also been discussed.
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