17–22 May 2026
C.I.D
Europe/Zurich timezone

Design of a Low-Frequency Proton Extraction Line for High-Pulsed Magnetic Field Neutron Scattering at ESS

THP4051
21 May 2026, 16:00
2h
C.I.D

C.I.D

Deauville, France
Poster Presentation MC4.A14: Neutron Spallation Facilities Poster session

Speaker

Mina Akhyani (Forschungszentrum Jülich, École Polytechnique Fédérale de Lausanne)

Description

A dedicated low-frequency target station has been proposed at ESS to support neutron-scattering experiments using >40 T pulsed magnetic fields. These experiments require isolated proton pulses at mHz rates, demanding a specialized extraction system that operates without disturbing the neutron production beyond the extracted pulse.
This study evaluates the feasibility of such an extraction and transfer line. A new dipole integrated into the HEBT lattice enables single-bunch extraction, while a FODO-based transfer line ensures low dispersion and the required spot size at the target. Analytical estimates and preliminary simulations confirm that a dedicated low-frequency extraction system is viable and provides the basis for detailed magnet and operational design.

Funding Agency

This project has received funding from the European Union's Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement No. 754354.

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Author

Mina Akhyani (Forschungszentrum Jülich, École Polytechnique Fédérale de Lausanne)

Co-authors

Samira Fatehi (Karlsruhe Institute of Technology) Mamad Eshraqi (European Spallation Source)

Presentation materials

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