Inelastic neutron scattering experiments with the monochromatic imaging mode of the RITA-II spectrometer

Christian Robert Haffenden Bahl, Kim Lefmann, Asger Bech Abrahamsen, H.M. Rønnow, Finn B. Saxild, Thomas Bagger Stibius Jensen, Linda Udby, Niels Hessel Andersen, Niels Bech Christensen, H.S. Jakobsen, T. Larsen, P.S. Haefliger, S. Streule, C. Niedermayer

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Recently a monochromatic multiple data taking mode has been demonstrated for diffraction experiments using a RITA type cold neutron spectrometer with a multi-bladed analyser and a position-sensitive detector. Here, we show how this mode can be used in combination with a flexible radial collimator to perform real inelastic neutron scattering experiments. We present the results from inelastic powder, single crystal dispersion and single crystal constant energy mapping experiments. The advantages and complications of performing these experiments are discussed along with a comparison between the imaging mode and the traditional monochromatic focussing mode.
Original languageEnglish
JournalNuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms
Issue number2
Pages (from-to)452-462
Publication statusPublished - 2006


  • inelastic neutron scattering
  • spectrometers
  • multiple analyser

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