Evaluation of fission fragment moments of inertia for spontaneous fission of Cf-252

TL;DR

This paper reviews methods for estimating the moments of inertia of fission fragments in Cf-252 spontaneous fission, comparing statistical and microscopic approaches, and emphasizes the importance of experimental validation.

Contribution

It provides a comparative analysis of classical and superfluid models for calculating fission fragment moments of inertia, highlighting their application to nuclear models.

Findings

Different oscillation modes affect moments of inertia.

Nucleon exchange influences spin distributions.

Theoretical models need experimental validation.

Abstract

Current work discusses methods for estimating the moments of inertia of fission fragments for spontaneous fission of the isotope Cf-252, in particular, two main approaches are mentioned: statistical and microscopic. In addition, the methods of the classical and superfluid approaches to the calculation of the moments of inertia are discussed, as well as their application to different models of nuclei. Within this framework, the influence of different oscillation modes and nucleon exchange on the moments of inertia and spin distributions of fission fragments is evaluated. The authors emphasizes the need for a comparative analysis of theoretical predictions with experimental data for a deeper understanding of the internal structure of nuclei and fission mechanisms.