Depolarisation of Cu/Ti supermirrors
Neutron decay experiments with the new instrument PERC currently under construction at FRM II will require a neutron guide with depolarisation on the order of 10-^4 per bounce or less. To achieve this, we have developed neutron supermirrors based on Cu/Ti. With this proposal we aim to characterise these and obtain specular and off-specular information at SuperADAM, and high-precision specular information using the proven opaque 3He test bench at PF1B. We intend to compare mirrors made using highest purity Ti and standard Ti targets, as well as conventional Ni(Mo)/Ti mirrors.
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J.M. Gomez-Guzman; BERNERT Karina; DEVISHVILI Anton; KLAUSER Christine; MAERKISCH Bastian; SCHMIDT Ulrich and SOLDNER Torsten. (2023). Depolarisation of Cu/Ti supermirrors. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.1-10-53
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