FUNSPIN polarized cold-neutron beam at PSI

Properties of the cold-neutron beam at the FUNSPIN facility of the SINQ neutron source of the Paul Scherrer Institute, Villigen, Switzerland were investigated. The measured flux density Φ = ( 2.46 ± 0.04 ) × 10 8 [ cm 2 s mA ] - 1 , the wavelength averaged mean polarization around the beam axis P A...

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Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2005-03, Vol.539 (3), p.622-639
Main Authors: Zejma, J., Ban, G., Beck, M., Białek, A., Bodek, K., Frei, G., Hilbes, Ch, Kühne, G., Gorel, P., Kirch, K., Kistryn, St, Kozela, A., Kuźniak, M., Lindroth, A., Naviliat-Cuncic, O., Pulut, J., Severijns, N., Stephan, E.
Format: Article
Language:English
Subjects:
Accelerator Physics
Cold neutrons
Instrumentation and Detectors
Neutron polarimetry
Neutron radiography
Physics
Polarized neutrons
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Summary:Properties of the cold-neutron beam at the FUNSPIN facility of the SINQ neutron source of the Paul Scherrer Institute, Villigen, Switzerland were investigated. The measured flux density Φ = ( 2.46 ± 0.04 ) × 10 8 [ cm 2 s mA ] - 1 , the wavelength averaged mean polarization around the beam axis P A = ( 95.29 ± 0.04 ) % and the mean polarization over the full beam cross-section P = [ 89.75 ± 0.01 ( stat ) ± 1.0 ( syst ) ] % are the main attributes of this powerful facility for fundamental particle physics experiments with slow neutrons.
ISSN:0168-9002
1872-9576
DOI:10.1016/j.nima.2004.11.004