Uncertainty quantification of collective nuclear observables from the chiral potential parametrization

Authors

Kevin S. Becker, Louisiana State University
Kristina D. Launey, Louisiana State University
Andreas Ekström, Chalmers University of Technology
Tomáš Dytrych, Nuclear Physics Institute of the Academy of Sciences of the Czech Republic v. v. i.
Daniel Langr, Czech Technical University in Prague
Grigor H. Sargsyan, Michigan State University
Jerry P. Draayer, Louisiana State University

Document Type

Article

Publication Date

12-1-2024

Abstract

We perform an uncertainty estimate of quadrupole moments and B(E2) transition rates that inform nuclear collectivity. In particular, we study the low-lying states of ⁶Li and ¹²C using the ab initio symmetry-adapted no-core-shell model. For a narrow standard deviation of approximately 1% on the low-energy constants which parametrize high-precision chiral potentials, we find output standard deviations in the collective observables ranging from approximately 3%-6%. The results mark the first step towards a rigorous uncertainty quantification of collectivity in nuclei that aims to account for all sources of uncertainty in ab initio descriptions of challenging collective and clustering observables.

Publication Source (Journal or Book title)

Physica Scripta

Recommended Citation

Becker, K., Launey, K., Ekström, A., Dytrych, T., Langr, D., Sargsyan, G., & Draayer, J. (2024). Uncertainty quantification of collective nuclear observables from the chiral potential parametrization. Physica Scripta, 99 (12) https://doi.org/10.1088/1402-4896/ad8527