Nuclear Data for the Next Decade

Session

Calculations, Models for Fission Data

008-1

11 mars 2026, 09:00

Amphithéâtre Farabeuf, Campus des Cordeliers, Paris

Présidents de session

Calculations, Models for Fission Data

• David Regnier (CEA, DAM, DIF)

32. The GEF code

Dr Karl-Heinz Schmidt

11/03/2026 09:00

Models for Nuclear Data

53. Microscopic large-scale fission calculations with BSkG3

Dr Adrian Sanchez-Fernandez

11/03/2026 09:25

Models for Nuclear Data

Modeling fission properties, such as barriers and rates, is highly challenging. The most advanced methods, based on energy density functionals (EDFs), rely on a limited set of collective coordinates to describe the evolution of a fissioning nucleus from its ground state to scission. Commonly used degrees of freedom include the quadrupole moment, which describes axially symmetric ellipsoids,...

36. Fission with the SPY code

Dr Jean-François Lemaitre (CEA)

11/03/2026 09:50

Models for Nuclear Data

There is a large variety of models to describe the fission process, from phenomenological to microscopical, with eventually a time dependence. The SPY model takes advantage of the microscopic description of the static properties of the nucleus (energy, nucleon distribution, and state density), based on the HFB method, and the simplicity of the statistical description of the fission process at...

76. Advances and Future Perspectives in Monte Carlo Fission Data Simulations with FIFRELIN

Dr Olivier Litaize (CEA)

11/03/2026 10:35

Models for Nuclear Data

35. Microscopic Theory of Angular Momentum Distributions Across the Full Range of Fission Fragments

Dr Petar Marevic (Zagreb University)

11/03/2026 11:00

Models for Nuclear Data

Modern nuclear theory provides insights into the mechanisms of nuclear fission and increasingly allows quantitative predictions. Many observables of interest are determined by the properties of primary fission fragments, whose subsequent decay is typically modeled using statistical reaction theories. A primary goal of fission theory is therefore to provide microscopic predictions of these...

34. Spin and Deformation of Fission Fragments

Dr Guillaume SCAMPS (L2iT)

11/03/2026 11:25

Models for Nuclear Data

The intrinsic spin of fission fragments is closely connected to their strong deformation at scission, yet its microscopic origin remains unclear within density functional theory. Although angular momentum projection techniques reproduce spin distributions qualitatively, the role played by deformation-driven angular fluctuations has not been clearly identified. In this contribution, fission...

33. Fission with the TDGCM formalism

Dr David Regnier (CEA)

Models for Nuclear Data