High-precision x-ray polarimetry

The polarization purity of 6.457- and 12.914-keV x rays has been improved to the level of 2.4×10(-10) and 5.7×10(-10). The polarizers are channel-cut silicon crystals using six 90° reflections. Their performance and possible applications are demonstrated in the measurement of the optical activity of...

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Bibliographic Details
Published in:Physical review letters 2013-06, Vol.110 (25), p.254801-254801, Article 254801
Main Authors: Marx, B, Schulze, K S, Uschmann, I, Kämpfer, T, Lötzsch, R, Wehrhan, O, Wagner, W, Detlefs, C, Roth, T, Härtwig, J, Förster, E, Stöhlker, T, Paulus, G G
Format: Article
Language:English
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Summary:The polarization purity of 6.457- and 12.914-keV x rays has been improved to the level of 2.4×10(-10) and 5.7×10(-10). The polarizers are channel-cut silicon crystals using six 90° reflections. Their performance and possible applications are demonstrated in the measurement of the optical activity of a sucrose solution.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.110.254801