Nuclear charge radii and shape evolution of Kr and Sr isotopes with the deformed relativistic Hartree-Bogoliubov theory in continuum

XY Zhang, ZM Niu, W Sun, XW Xia - Physical Review C, 2023 - APS
The deformed relativistic Hartree-Bogoliubov theory in continuum (DRHBc) is employed to
study the ground-state properties of Kr and Sr isotopes. Based on the constrained DRHBc …

Differential charge radii: Proton-neutron interaction effects

UC Perera, AV Afanasjev - Physical Review C, 2023 - APS
The analysis of self-consistency and proton-neutron interaction effects in the buildup of
differential charge radii were carried out in covariant density functional theoretical …

Global prediction of nuclear charge density distributions using a deep neural network

TS Shang, HH Xie, J Li, H Liang - Physical Review C, 2024 - APS
A deep neural network (DNN) has been developed to generate the distributions of nuclear
charge density, utilizing the training data from the relativistic density functional theory and …

Empirical neutron star mass formula based on experimental observables

H Sotani, T Naito - Physical Review C, 2023 - APS
We derive the empirical formulas expressing the mass and gravitational redshift of a neutron
star, whose central density is less than threefold the nuclear saturation density, as a function …

Calibration of nuclear charge density distribution by back-propagation neural networks

ZX Yang, XH Fan, T Naito, ZM Niu, ZP Li, H Liang - Physical Review C, 2023 - APS
Based on the back-propagation neural networks and density functional theory, a supervised
learning is performed firstly to generate the nuclear charge density distributions. The charge …

Toward accurate nuclear mass tables in covariant density functional theory

A Taninah, B Osei, AV Afanasjev, UC Perera, S Teeti - Physical Review C, 2024 - APS
The current investigation focuses on detailed analysis of the anchor-based optimization
approach (ABOA), its comparison with alternative global fitting protocols and on the global …

[HTML][HTML] Revisiting the extraction of charge radii of 40Ca and 208Pb with muonic atom spectroscopy

HH Xie, T Naito, J Li, H Liang - Physics Letters B, 2023 - Elsevier
The extractions of nuclear charge radii from muonic atom spectroscopy for 40 Ca and 208
Pb are revisited to analyze the model dependencies induced by employing a Fermi-type …

Impact of Intrinsic Electromagnetic Structure on Nuclear Charge Radius in Relativistic continuum Hartree-Bogoliubov Theory

H Xie, J Li - arXiv preprint arXiv:2308.02309, 2023 - arxiv.org
In this study, we explore the effects of the nucleon's intrinsic electromagnetic (EM) structure
on the nuclear charge radius within the framework of relativistic continuum Hartree …

Data-driven density functional model for atomic nuclei

ZX Yang, XH Fan, ZP Li, H Liang - Physical Review C, 2024 - APS
Through ensemble learning with multitasking and complex connection neural networks, we
aggregated nuclear properties, including ground-state density distributions, charge radii …

Significance of tensor force in pseudospin symmetry

H Nakada, T Inakura - Physical Review C, 2024 - APS
We point out that the pseudospin symmetry (PSS) of nuclei significantly depends on the
proton (Z) and neutron numbers (N), sometimes giving rise to characteristic structures. By …