The shape of gold
Benjamin Bally, Giuliano Giacalone, Michael Bender

TL;DR
This paper provides a detailed theoretical analysis of the low-energy structure of the heavy odd-mass nucleus $^{197}$Au using advanced energy density functional calculations, offering insights into its shape and implications for collider experiments.
Contribution
The study applies state-of-the-art multi-reference energy density functional methods to accurately describe $^{197}$Au's structure and shape, including triaxial deformation effects.
Findings
Good agreement with experimental spectroscopic data
Computed average deformation parameters for the ground state
Insights into the impact of triaxiality on collider experiments
Abstract
Having a detailed theoretical knowledge of the low-energy structure of the heavy odd-mass nucleus Au is of prime interest as the structure of this isotope represents an important input to theoretical simulations of collider experiments involving gold ions performed worldwide at relativistic energies. In the present article, therefore, we report on new results on the structure of Au obtained from state-of-the-art multi-reference energy density functional (MR-EDF) calculations. Our MR-EDF calculations were realized using the Skyrme-type pseudo-potential SLyMR1, and include beyond mean-field correlations through the mixing, in the spirit of the Generator Coordinate Method (GCM), of particle-number and angular-momentum projected triaxially deformed Bogoliubov quasi-particle states. Comparison with experimental data shows that the model gives a reasonable description of…
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Taxonomy
TopicsNuclear physics research studies · Quantum Chromodynamics and Particle Interactions · Particle physics theoretical and experimental studies
