Collective enhancement of nuclear state densities by the shell model Monte Carlo approach

TL;DR

This paper demonstrates how the shell model Monte Carlo approach can be used to calculate nuclear state densities and their collective enhancements in heavy, rare-earth nuclei, providing microscopic insights into nuclear structure.

Contribution

It introduces the application of the SMMC method to compute state densities and collective enhancement factors in heavy nuclei, advancing microscopic nuclear modeling.

Findings

Successful calculation of state densities in rare-earth nuclei

Quantitative analysis of collective enhancement factors

Validation of the SMMC approach for heavy nuclear systems

Abstract

The shell model Monte Carlo (SMMC) approach allows for the microscopic calculation of statistical and collective properties of heavy nuclei using the framework of the configuration-interaction shell model in very large model spaces. We present recent applications of the SMMC method to the calculation of state densities and their collective enhancement factors in rare-earth nuclei.