activity
20142026
most citedFuture of Nuclear Fission Theory

180 citations · 684 across the 27 of their papers we have counts for

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19 papers · 1 filter

nucl-th2026

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…

nucl-th2026

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…

nucl-th2024

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…

nucl-th2023★ 3 cited

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…

nucl-th2023

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…

nucl-th2023★ 66 cited

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…

nucl-th2023★ 19 cited

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…

nucl-th2022

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…

nucl-th2022

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…

nucl-th2022

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…

nucl-th2022★ 46 cited

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…

nucl-th2021

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…

nucl-th2020★ 59 cited

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…

nucl-th2020★ 180 cited

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…

nucl-th2018★ 22 cited

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…

nucl-th2018★ 33 cited

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…

nucl-th2017★ 4 cited

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…

nucl-th2015★ 37 cited

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…

nucl-th2014★ 71 cited

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…