Absolute inelastic neutron scattering cross sections of clathrate hydrate compounds for new very-cold-neutron moderators
The goal of this proposal is the measurement of inelastic neutron scattering cross sections (S(q,omega)) of clathrate hydrate compounds in absolute units. These materials are particularly promising candidates for new moderators for very cold neutrons. The expected enhancement of intensities at wavelengths larger than from existing cold sources has high impact on the capabilities of neutron scattering instrumentation which is of high interest for several neutron centers. A large range of q and omega shall be covered in experiments at IN5 and IN4/Panther, complemented with measurements for sample characterisation at D20 and D7, to provide a valuable data base for model calculations of moderation efficiencies in realistic configurations.
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ZIMMER Oliver; CALZAVARA Yoann; Thomas C. Hansen; JAMALIPOUR Mostafa; Esben Klinkby; KOZA Michael Marek; KUHS Werner Friedrich; NEULINGER Thomas; WILDES Andrew and ZANINI Luca. (2020). Absolute inelastic neutron scattering cross sections of clathrate hydrate compounds for new very-cold-neutron moderators. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.1-10-42
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