CAMEA ESS: The Continuous Angle Multi-Energy Analysis Indirect Geometry Spectrometer for the European Spallation Source

P.G. Freeman, J.O. Birk, M. Marko, Mads Bertelsen, Jacob Larsen, Niels Bech Christensen, K. Lefmann, J. Jacobsen, Ch. Niedermayer, F. Juranyi, H.M. Ronnow

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Abstract

The CAMEA ESS neutron spectrometer is designed to achieve a high detection efficiency in the horizontal scattering plane, and to maximize the use of the long pulse European Spallation Source. It is an indirect geometry time-of-flight
spectrometer that uses crystal analysers to determine the final energy of neutrons scattered from the sample. Unlike other indirect geometry spectrometers CAMEA will use ten concentric arcs of analysers to analyse scattered neutrons at ten different final energies, which can be increased to 30 final energies by use of prismatic analysis. In this report we will outline the CAMEA instrument concept, the large performance gain, and the potential scientific advancements that can be made with this instrument
Original languageEnglish
Book seriesJournal of Physics: Conference Series (Online)
Volume83
Pages (from-to)03005
Number of pages7
ISSN1742-6596
DOIs
Publication statusPublished - 2014

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This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0

Cite this

Freeman, P. G., Birk, J. O., Marko, M., Bertelsen, M., Larsen, J., Christensen, N. B., Lefmann, K., Jacobsen, J., Niedermayer, C., Juranyi, F., & Ronnow, H. M. (2014). CAMEA ESS: The Continuous Angle Multi-Energy Analysis Indirect Geometry Spectrometer for the European Spallation Source. Journal of Physics: Conference Series (Online), 83, 03005. https://doi.org/10.1051/epjconf/20158303005