Abstract
The European Spallation Source, which is currently under construction in Lund, Sweden, is designed to be the brightest source of neutrons and in the first phase users will have access to a suite of 15 instruments, where the neutrons will be provided by a butterfly shaped moderator system, placed above the spallation target. The goal of the HighNESS project, which is funded by the EU Horizon 2020 program, is to provide a new design for the second moderator, situated below the spallation target, which will be the most intense neutron source in the world. The new moderator will provide a higher intensity of neutrons in the cold, very cold and ultracold energy regions. The features of this new source will boost several areas of condensed matter research and also will provide unique opportunities in fundamental physics. To support the design of the second moderator, the goal of Work Package 2 of the project is to provide nuclear data support for the neutronics calculations, as well as the accompanying software development for improved physics. In this paper, the recent advancements on NJOY+NCrystal, a novel tool for creation of thermal neutron scattering evaluated nuclear data files will be shown, as well as some continued work on nanodiamonds as advanced neutron reflectors.
| Original language | English |
|---|---|
| Title of host publication | Proceedings of the 14th International Topical Meeting on Nuclear Applications of Accelerators, AccApp 2021, Embedded with the 2021 ANS Winter Meeting |
| Publisher | American Nuclear Society |
| Pages | 78-86 |
| Number of pages | 9 |
| ISBN (Electronic) | 9780894487842 |
| DOIs | |
| State | Published - 2022 |
| Externally published | Yes |
| Event | 14th International Topical Meeting on Nuclear Applications of Accelerators, AccApp 2021, Embedded with the 2021 ANS Winter Meeting - Washington, United States Duration: Nov 30 2021 → Dec 4 2021 |
Publication series
| Name | Proceedings of the 14th International Topical Meeting on Nuclear Applications of Accelerators, AccApp 2021, Embedded with the 2021 ANS Winter Meeting |
|---|
Conference
| Conference | 14th International Topical Meeting on Nuclear Applications of Accelerators, AccApp 2021, Embedded with the 2021 ANS Winter Meeting |
|---|---|
| Country/Territory | United States |
| City | Washington |
| Period | 11/30/21 → 12/4/21 |
Funding
This work was funded by the HighNESS project at the European Spallation Source. HighNESS is funded by the European Framework for Research and Innovation Horizon 2020, under grant agreement 951782.
Keywords
- Molecular Modelling
- NCrystal
- NJOY
- Spallation Neutron Sources
- Thermal Scattering
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