A neutron resonance spin echo spectrometer for quasi-elastic and inelastic scattering |
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| Institution: | 1. Beijing Key Lab of Microstructure and Property of Advanced Material, Institute of Microstructure and Property of Advanced Materials, Beijing University of Technology, Beijing, 100124, China;2. Key Laboratory of Advanced Functional Materials, Education Ministry of China, Beijing University of Technology, Beijing, 100124, China;3. NIST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, MD, 20899, USA;1. Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences, Hefei 230031, People''s Republic of China;2. High Magnetic Field Laboratory, Chinese Academy of Sciences, Hefei 230031, People''s Republic of China;3. Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, People''s Republic of China;1. Department of Chemistry – The Angstrom Laboratory, Uppsala University, Uppsala, Sweden;2. ICT Materials Physics, KTH Royal Institute of Technology, Kista, Sweden;3. Department of Engineering Sciences, Uppsala University, Uppsala, Sweden;4. Fundamental Aspects of Materials and Energy, Faculty of Applied Sciences, TU Delft, Delft, The Netherlands;5. Nuclear Physics Institute, Academy of Sciences of the Czech Republic, Rez, Czech Republic;6. Physics Department, Institute for Energy Technology, Kjeller, Norway;1. KU Leuven, Laboratorium voor Vaste-Stoffysica en Magnetisme, Celestijnenlaan 200D, 3001 Leuven, Belgium;2. Institut Laue-Langevin, 71 Avenue des Martyrs, 38000 Grenoble, France;3. KU Leuven, Instituut voor Kern- en Stralingsfysica, Celestijnenlaan 200 D, 3001 Leuven, Belgium;4. Hasselt University, Institute for Materials Research (IMO-IMOMEC), Wetenschapspark 1, 3590 Diepenbeek, Belgium;1. Departamento de Física, Universidade Federal de Pernambuco, 50670-901 Recife, Pernambuco, Brazil;2. Unidade Acadêmica do Cabo de Santo Agostinho, Universidade Federal Rural de Pernambuco, 54518-430 Cabo de Santo Agostinho, Pernambuco, Brazil;3. Departamento de Química Fundamental, Universidade Federal de Pernambuco, 50670-901 Recife, Pernambuco, Brazil |
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| Abstract: | We propose a modified neutron spin echo (NSE) spectrometer using high frequency spin flippers to replace the static spin flipper and the long magnetic precession field in each arm of the classicalspin echo setup. The spectrometer is suitable for quasi-elastic as well as inelastic scattering and can work with an arbitrary magnetic field on the sample. The restrictions on sample size and scattering angle can be relaxed, in comparison with the classical NSE method. |
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