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A non-depolarizing CuTi neutron supermirror guide for PERC

Neutron guides are used to transport slow neutrons from sources to experiments. Conventional neutron supermirror guides use alternating thin layers based on nickel and titanium. Due to the magnetic properties of nickel, their neutron reflection properties are spin-dependent, in particular when expos...

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Bibliographic Details
Main Authors: Hollering, Alexander (Author) , Rebrova, Nataliya V. (Author) , Klauser, C. (Author) , Lauer, Th. (Author) , Märkisch, B. (Author) , Schmidt, Ulrich (Author)
Format: Article (Journal)
Language:English
Published: 14 April 2022
In: Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment
Year: 2022, Volume: 1032, Pages: 1-6
ISSN:1872-9576
DOI:10.1016/j.nima.2022.166634
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.nima.2022.166634
Verlag, lizenzpflichtig, Volltext: https://www.sciencedirect.com/science/article/pii/S016890022200198X
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Author Notes:A. Hollering, N. Rebrova, C. Klauser, Th. Lauer, B. Märkisch, U. Schmidt
Description
Summary:Neutron guides are used to transport slow neutrons from sources to experiments. Conventional neutron supermirror guides use alternating thin layers based on nickel and titanium. Due to the magnetic properties of nickel, their neutron reflection properties are spin-dependent, in particular when exposed to high magnetic fields. Motivated by the requirements of precision experiments on neutron beta decay, we present novel supermirrors based on copper and titanium, which preserve the neutron beam polarization. These show excellent reflectivity and prove to be very stable even when exposed to high temperatures.
Item Description:Gesehen am 18.07.2022
Physical Description:Online Resource
ISSN:1872-9576
DOI:10.1016/j.nima.2022.166634

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