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Updated: Jun 19, 2026

Study of Protein Dynamics via Neutron Spin Echo Spectroscopy
Published on: April 13, 2022
Design and experimental tests of a novel neutron spin analyzer for wide angle spin echo spectrometers
Peter Fouquet1, Bela Farago, Ken H Andersen
1Institut Laue-Langevin, BP 156, F-38042 Grenoble Cedex 9, France.
Abstract:
This paper describes the design and experimental tests of a novel neutron spin analyzer optimized for wide angle spin echo spectrometers. The new design is based on nonremanent magnetic supermirrors, which are magnetized by vertical magnetic fields created by NdFeB high field permanent magnets. The solution presented here gives stable performance at moderate costs in contrast to designs invoking remanent supermirrors. In the experimental part of this paper we demonstrate that the new design performs well in terms of polarization, transmission, and that high quality neutron spin echo spectra can be measured.
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