| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 8176060 | Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment | 2014 | 12 Pages |
Abstract
Precision magnetometry is an essential component of any neutron electric dipole moment experiment in order to correct shifts in the neutron precession frequency due to changes in the magnetic field. We have developed a magnetometry system using 12 SQUID sensors, designed to operate in 0.5Â K superfluid helium. The pick-up loops located near the neutron cell are connected to the SQUID sensors by ~2Â m twisted wire pairs. The SQUID readout cables are run via an intermediate stage at 4.2Â K. The system has been installed and tested in the cryoEDM apparatus at the ILL, Grenoble, and used to characterise the magnetic environment. Further tests in a suitable low noise environment confirm it meets our requirements.
Keywords
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Instrumentation
Authors
S. Henry, C. Clarke, A. Cottle, A. Lynch, M. Pipe,