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| Conference Presentation (Invited) | FZJ-2025-01972 |
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2025
Abstract: Accelerator-driven neutron sources provide a cost-efficient and attractive alternative to present neutronsources like fission reactors and spallation sources. With the advent of high-current proton acceleratorsystems, a novel class of such neutron facilities emerged termed High-Current AcceleratordrivenNeutron Sources (HiCANS) with unique properties and possibilities.>The High Brilliance neutron Source project (HBS) at the Forschungszentrum Jülich develops such aHiCANS facility. It utilizes a 70 MeV and 100 mA pulsed proton linear accelerator providing tailoredproton pulses with frequencies of 24 Hz or 96 Hz up to three optimized target stations. These targetstations are compact in comparison to spallation neutron sources due to the low energy nuclearreactions releasing neutrons from a high-power tantalum target. It allows for an efficient neutronproduction, moderation and extraction and, thus allowing competitive neutron instrument performances.A detailed Technical Design Report (TDR) has been published, describing all relevant componentsfrom accelerator, target, moderators to instruments. It shows a potential national neutron sourcefacility with up to 24 instruments for all kinds of applications. A target station prototype was builtat a 45 MeV cyclotron and brought into operation with first neutrons December 2022. Experimentsperformed demonstrated the accessibility and flexibility of this new type of source, and the expectedperformance could be evaluated.We will present the current status of the High-Brilliance Neutron Source (HBS) HiCANS project aswell as the next steps and milestones for this next generation neutron source.
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