Properties of nuclei in the nobelium region studied within the covariant, Skyrme, and Gogny energy density functionals

TL;DR

This study compares nuclear properties in the nobelium region using covariant, Skyrme, and Gogny energy density functionals to understand model-dependent effects and uncertainties.

Contribution

It provides a systematic comparison of three EDF approaches across multiple parameter sets for nuclei in the nobelium region, highlighting model-specific effects and uncertainties.

Findings

Identification of single-particle and shell effects characteristic to each model

Quantification of systematic uncertainties in EDF predictions

Comparison of odd-even mass staggering, spectra, and moments of inertia

Abstract

We calculate properties of the ground and excited states of nuclei in the nobelium region for proton and neutron numbers of 92 <= Z <= 104 and 144 <= N <= 156, respectively. We use three different energy-density-functional (EDF) approaches, based on covariant, Skyrme, and Gogny functionals, each within two different parameter sets. A comparative analysis of the results obtained for odd-even mass staggerings, quasiparticle spectra, and moments of inertia allows us to identify single-particle and shell effects that are characteristic to these different models and to illustrate possible systematic uncertainties related to using the EDF modelling