180 citations · 684 across the 27 of their papers we have counts for
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Modelling fission with microscopic input: excitation-energy-dependent fission paths for neutron-induced reactions
Adrián Sánchez-Fernández, Wouter Ryssens, Stéphane Goriely
To calculate transmission coefficients, current Hauser-Feshbach reaction codes assume a one-dimensional fission path that is both independent of excitation energy and universal acr…
Skyrme-Hartree-Fock-Bogoliubov mass models on a 3D mesh: V. The N2LO extension of the Skyrme EDF
G. Grams, W. Ryssens, A. Sánchez-Fernández +6
We present BSkG5, the latest entry in the Brussels-Skyrme-on-a-Grid (BSkG) series and the first large-scale nuclear structure model based on next-to-next-to-leading order (N2LO) Sk…
Skyrme-Hartree-Fock-Bogoliubov mass models on a 3D mesh: IV. Improved description of the isospin dependence of pairing
Guilherme Grams, Nikolai N. Shchechilin, Adrian Sanchez-Fernandez +3
Providing reliable data on the properties of atomic nuclei and infinite nuclear matter to astrophysical applications remains extremely challenging, especially when treating both pr…
Impact of choices for center-of-mass correction energy on the surface energy of Skyrme energy density functionals
Philippe Da Costa, Karim Bennaceur, Jacques Meyer +2
In the framework of nuclear energy density functional (EDF) methods, many nuclear phenomena can be related to the deformation of intrinsic states. Their accurate modeling relies on…
Skyrme-Hartree-Fock-Bogoliubov mass models on a 3D mesh: III. From atomic nuclei to neutron stars
Guilherme Grams, Wouter Ryssens, Guillaume Scamps +2
We present BSkG3, the latest entry in the Brussels-Skyrme-on-a-grid series of large-scale models of nuclear structure based on an energy density functional. Compared to its predece…
Evidence of Hexadecapole Deformation in Uranium-238 at the Relativistic Heavy Ion Collider
Wouter Ryssens, Giuliano Giacalone, Björn Schenke +1
There is strong evidence of the failure of hydrodynamic simulations of the quark-gluon plasma (QGP) to reproduce data on the elliptic flow of particles in relativistic collisions o…
Skyrme-Hartree-Fock-Bogoliubov mass models on a 3D mesh. IIb. Fission properties of BSkG2
Wouter Ryssens, Guillaume Scamps, Stephane Goriely +1
Large-scale models of nuclear structure are currently the only way to provide consistent datasets for the many properties of thousands of exotic nuclei that are required by nucleos…
Progress in Nuclear Astrophysics: a multi-disciplinary field with still many open questions
S. Goriely, A. Choplin, W. Ryssens +1
Nuclear astrophysics is a multi-disciplinary field with a huge demand for nuclear data. Among its various fields, stellar evolution and nucleosynthesis are clearly the most closely…
The mass of odd-odd nuclei in microscopic mass models
W. Ryssens, G. Scamps, G. Grams +3
Accurate estimates of the binding energy of nuclei far from stability that cannot be produced in the laboratory are crucial to our understanding of nuclear processes in astrophysic…
Progress on Brussels-Skyrme atomic mass models on a grid: stiff neutron matter equation of state
Guilherme Grams, Wouter Ryssens, Guillaume Scamps +2
We report here the current developments on the Brussels-Skyrme-on-a-Grid (BSkG) atomic mass models. In comparison with our previous models, BSkG3 improves the infinite nuclear matt…
Skyrme-Hartree-Fock-Bogoliubov mass models on a 3D mesh: II. Time-reversal symmetry breaking
Wouter Ryssens, Guillaume Scamps, S. Goriely +1
Models based on nuclear energy density functionals can provide access to a multitude of observables for thousands of nuclei in a single framework with microscopic foundations. Such…
Skyrme pseudopotentials at next-to-next-to-leading order Construction of local densities and first symmetry-breaking calculations
Wouter Ryssens, Michael Bender
There is an ongoing quest to improve on the spectroscopic quality of nuclear energy density functionals (EDFs) of the Skyrme type through extensions of its traditional form. One di…
Skyrme-Hartree-Fock-Bogoliubov mass models on a 3D Mesh: Effect of triaxial shape
Guillaume Scamps, Stephane Goriely, Erik Olsen +2
The modeling of nuclear reactions and radioactive decays in astrophysical or earth-based conditions requires detailed knowledge of the masses of essentially all nuclei. Microscopic…
Future of Nuclear Fission Theory
Michael Bender, Remi Bernard, George Bertsch +30
There has been much recent interest in nuclear fission, due in part to a new appreciation of its relevance to astrophysics, stability of superheavy elements, and fundamental theory…
Iterative approaches to the self-consistent nuclear energy density functional problem. Heavy ball dynamics and potential preconditioning
W. Ryssens, M. Bender, P. -H. Heenen
Large-scale applications of energy density functional (EDF) methods depend on fast and reliable algorithms to solve the associated non-linear self-consistency problem. When dealing…
The impact of the surface energy coefficient on the deformation properties of atomic nuclei as predicted by Skyrme energy density functionals
W. Ryssens, M. Bender, K. Bennaceur +2
In the framework of nuclear energy density functional (EDF) methods, many nuclear phenomena are related to the deformation of intrinsic states. Their accurate modeling relies on th…
Towards symmetry-unrestricted Skyrme-HFB in coordinate-space representation: the example of rotational bands of the octupole-deformed nucleus Th
W. Ryssens, M. Bender and. P. -H. Heenen
We report on cranked Skyrme-HFB calculations of rotational bands of the octupole-deformed nucleus Th. A sudden change in configuration is observed, with the shape of the yr…
Numerical accuracy of mean-field calculations in coordinate space
W. Ryssens, P. -H. Heenen, M. Bender
Background: Mean-field methods based on an energy density functional (EDF) are powerful tools used to describe many properties of nuclei in the entirety of the nuclear chart. The a…
Solution of the Skyrme HF+BCS equation on a 3D mesh. II. A new version of the Ev8 code
W. Ryssens, V. Hellemans, M. Bender +1
We describe a new version of the EV8 code that solves the nuclear Skyrme-Hartree-Fock+BCS problem using a 3-dimensional cartesian mesh. Several new features have been implemented w…