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

J Dobaczewski , Av Afanasjev , M Bender (1) , Lm Robledo

1 CENBG - Centre d'Etudes Nucléaires de Bordeaux Gradignan

We calculate properties of the ground and excited states of nuclei in the nobelium region for proton and neutron numbers of 92≤Z≤10492≤Z≤104 and 144≤N≤156144≤N≤156, respectively. We use three different energy-density-functional (EDF) approaches, based on covariant, Skyrme, and Gogny functionals, each with two different parameter sets. A comparative analysis of the results obtained for quasiparticle spectra, odd–even and two-particle mass staggering, 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.

Mots clés: Heavy and superheavy nuclei; Nuclear masses; Quasiparticle excitations; Odd–even mass staggering; Moments of inertia; Nuclear energy density functionals

Domaines: Physique Nucléaire Théorique [nucl-th]

J Dobaczewski, Av Afanasjev, M Bender, Lm Robledo. Properties of nuclei in the nobelium region studied within the covariant, Skyrme, and Gogny energy density functionals. Nuclear Physics A, 2015, Special Issue on Superheavy Elements, 944, pp.388-414. ⟨10.1016/j.nuclphysa.2015.07.015⟩. ⟨hal-01282451⟩