Journal
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
Volume 651, Issue 1, Pages 53-56Publisher
ELSEVIER
DOI: 10.1016/j.nima.2011.01.009
Keywords
Neutron imaging; Polarized neutrons; Neutron radiography; Spin polarized neutron imaging
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An imaging instrument dedicated to radiography and tomography with polarized cold neutrons was installed and successfully tested at the BER II reactor at Helmholtz Zentrum Berlin. The spatial resolution for un-polarized neutrons was less than 85 mu m for a point-to-detector distance of 5 mm, in the case of polarized neutrons it was less than 300 mu m. With these resolutions, details of magnetic fields in different lead samples below the critical temperature being in the Meissner phase and magnetic flux pinning could be imaged. (C) 2011 Elsevier B.V. All rights reserved.
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