Prototype of the novel CAMEA concept—A backend for neutron spectrometers

Markó, Márton, Groitl, Felix, Birk, Jonas Okkels, Freeman, Paul Gregory orcid iconORCID: 0000-0002-5376-8940, Lefmann, Kim, Christensen, Niels Bech, Niedermayer, Christof, Jurányi, Fanni, Lass, Jakob et al (2018) Prototype of the novel CAMEA concept—A backend for neutron spectrometers. Review of Scientific Instruments, 89 (1). 015105. ISSN 0034-6748

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The continuous angle multiple energy analysis concept is a backend for both time-of-flight and analyzer-based neutron spectrometers optimized for neutron spectroscopy with highly efficient mapping in the horizontal scattering plane. The design employs a series of several upward scattering analyzer arcs placed behind each other, which are set to different final energies allowing a wide angular coverage with multiple energies recorded simultaneously. For validation of the concept and the
model calculations, a prototype was installed at the Swiss neutron source SINQ, Paul Scherrer Institut. The design of the prototype, alignment and calibration procedures, experimental results of background measurements, and proof-of-concept inelastic measurements on LiHoF4 and h-YMnO3 are presented here.

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