Ultra-Sensitive Depolarization Study of Polarizing CoTi Supermirrors with the Opaque Test Bench

Autor:	T. Bigault, Christine Klauser, T. Soldner, Nataliya Rebrova
Jazyk:	angličtina
Předmět:	Test bench Materials science Opacity business.industry polarizing supermirrors chemistry.chemical_element Depolarization neutron beta decay Physics and Astronomy(all) neutron polarization Reflection (mathematics) Optics chemistry Neutron business Helium Beam (structure) Ultra sensitive
Zdroj:	Physics Procedia. :99-105
ISSN:	1875-3892
DOI:	10.1016/j.phpro.2013.03.181
Popis:	We have investigated the depolarization of neutrons in the reflection on polarizing supermirrors, using the opaque test bench. It consists of two opaque 3He cells with in-situ adiabatic fast passage flipping of the helium spin. In a beam initially polarized to AP = 99.98%, depolarization of the order of 10−2 is evidenced after a single reflection on a polarizing supermirror. Depolarization could be reduced though not completely suppressed when working at high magnetizing fields (0.82 T). The preliminary data analysis also suggests a correlation between the m-value of the supermirror and depolarization.
Databáze:	OpenAIRE
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