【713】Towards higher brilliant beam for neutron scattering under very high pulsed magnetic fields

6 Sept 2023, 17:45
15m
Room 117

Room 117

Talk Neutron Science Neutron Science

Speaker

Mina Akhyani (EPFL, Switzerland)

Description

Neutron scattering experiments under high pulsed magnetic fields offer valuable insights into magnetic structures of materials. However, these experiments are challenging and time-consuming due to low neutron count. To address this, we proposed the idea of a specialized source, designed to increase neutron count and improve brilliance serving only one single instrument. The main features of this source are: an spallation target station fed by an existing high-energy proton accelerator every 5-10 minutes, synchronized with magnetic pulses, which drastically decreases the average heat and radiation load. We investigated different target-moderator-reflector geometries and materials to achieve maximum brilliance. By an ideal neutron transfer, we can gain higher count on the sample.

Theoretical Work Theory

Author

Mina Akhyani (EPFL, Switzerland)

Co-author

Prof. Henrik Ronnow

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