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

Márton Markó*, Felix Groitl, Jonas Okkels Birk, Paul Gregory Freeman, Kim Lefmann, Niels Bech Christensen, Christof Niedermayer, Fanni Jurányi, Jakob Lass, Allan Hansen, Henrik Moodysson Rønnow

*Corresponding author for this work

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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.
Original languageEnglish
Article number015105
JournalReview of Scientific Instruments
Issue number1
Number of pages13
Publication statusPublished - 2018


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