Beta Decay in Medium-Mass Nuclei with the In-Medium Similarity Renormalization Group

TL;DR

This paper reviews ab initio calculations of allowed beta decays in medium-mass nuclei using the valence-space in-medium similarity renormalization group method, highlighting recent progress and challenges.

Contribution

It provides a comprehensive overview of applying the in-medium similarity renormalization group to beta decay calculations in medium-mass nuclei, a novel approach in nuclear theory.

Findings

Successful application of the method to calculate beta decay rates.

Identification of key challenges in modeling nuclear matrix elements.

Comparison with experimental data shows promising agreement.

Abstract

We review the status of ab initio calculations of allowed beta decays (both Fermi and Gamow-Teller), within the framework of the valence-space in-medium similarity renormalization group approach.