| Issue |
EPJ Web Conf.
Volume 231, 2020
8th International Meeting of Union for Compact Accelerator-Driven Neutron Sources (UCANS-8)
|
|
|---|---|---|
| Article Number | 04006 | |
| Number of page(s) | 5 | |
| Section | Moderator/Reflector | |
| DOI | https://doi.org/10.1051/epjconf/202023104006 | |
| Published online | 11 March 2020 | |
https://doi.org/10.1051/epjconf/202023104006
Low-dimensional moderators at ESS and compact neutron sources
1 European Spallation Source ESS ERIC, P.O Box 176, Lund, Sweden
2 DTU Nutech, Technical University of Denmark, Roskilde, Denmark
* Corresponding author: luca.zanini@esss.se
Published online: 11 March 2020
Low-dimensional moderators were designed for the European Spallation Source (ESS), and the same concepts can be applied to compact sources. At ESS, quasi two-dimensional (2D) high-brightness moderators will serve all the instruments of the initial suite. The design of the moderators is influenced by several factors, such as the layout of the facility, the requirements for beam extraction, and the number of instruments; these constraints led to the choice of the 2D “butterfly” moderator for ESS. In an accelerator-based compact source, such moderators can be designed in an even more efficient way than for high-power sources, taking advantage of the lower heat loads and of the more compact arrangement of the target-moderator system, which gives more freedom in the optimization of the geometrical setup. Some promising design options have been explored.
© The Authors, published by EDP Sciences, 2020
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