Quartet excitations and cluster spectra in light nuclei

TL;DR

This paper explores the connection between quarteting and clustering in light nuclei, demonstrating how symmetry considerations allow prediction of high-energy cluster spectra from low-energy quartet descriptions, exemplified by $^{28}$Si.

Contribution

It introduces a symmetry-based approach linking low-energy quarteting to high-energy clustering spectra, providing predictive insights for nuclear structure.

Findings

Predicted high-energy cluster spectra from low-energy quarteting data.

Applied method to $^{28}$Si, including ground state, superdeformed band, and molecular resonances.

Established a theoretical framework connecting different nuclear excitation modes.

Abstract

The relation of quarteting and clustering in atomic nuclei is discussed based on symmetry-considerations. This connection enables us to predict a complete high-energy cluster spectrum from the description of the low-energy quartet part. As an example the $^{28}$Si nucleus is considered, including its well-established ground-state region, the recently proposed superdeformed band, and the high-lying molecular resonances.