Measurement of the neutron electric dipole moment by crystal diffraction

An experiment using a prototype setup to search for the neutron electric dipole moment by measuring spin rotation in a non-centrosymmetric crystal (quartz) was carried out to investigate statistical sensitivity and systematic effects of the method. It has been demonstrated that the concept of the me...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Accelerators, spectrometers, detectors and associated equipment, 2009-12, Vol.611 (2), p.124-128
Main Authors: Fedorov, V.V., Jentschel, M., Kuznetsov, I.A., Lapin, E.G., Lelievre-Berna, E., Nesvizhevsky, V., Petoukhov, A., Semenikhin, S.Yu, Soldner, T., Tasset, F., Voronin, V.V., Braginetz, Yu.P.
Format: Article
Language:English
Subjects:
Accelerators
CP violation
Crystals
Diffraction
Electric dipole moment
Electric dipoles
Measuring instruments
Neutron
Perfect crystal
Quartz
Quartz crystals
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Summary:An experiment using a prototype setup to search for the neutron electric dipole moment by measuring spin rotation in a non-centrosymmetric crystal (quartz) was carried out to investigate statistical sensitivity and systematic effects of the method. It has been demonstrated that the concept of the method works. The preliminary result of the experiment is d n = ( 2.5 ± 6.5 ) × 10 - 24 e cm . The experiment showed that an accuracy of ~ 2.5 × 10 - 26 e cm can be obtained in 100 days data taking, using available quartz crystals and neutron beams.
ISSN:0168-9002
1872-9576
DOI:10.1016/j.nima.2009.07.050