11 Result(s)
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Article
Open AccessAchieving ultra-low and -uniform residual magnetic fields in a very large magnetically shielded room for fundamental physics experiments
High-precision searches for an electric dipole moment of the neutron (nEDM) require stable and uniform magnetic field environments. We present the recent achievements of degaussing and equilibrating the magnet...
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Open AccessA large ‘Active Magnetic Shield’ for a high-precision experiment
We present a novel Active Magnetic Shield (AMS), designed and implemented for the n2EDM experiment at the Paul Scherrer Institute. The experiment will perform a high-sensitivity search for the electric dipole ...
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Article
Open AccessUltracold neutron storage and transport at the PSI UCN source
Efficient neutron transport is a key ingredient to the performance of ultracold neutron (UCN) sources, important to meeting the challenges placed by high precision fundamental physics experiments. At the Paul ...
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Open AccessErratum to: Data blinding for the nEDM experiment at PSI
A Correction to this paper has been published: https://doi.org/10.1140/epja/s10050-021-00456-1
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Article
Open AccessThe design of the n2EDM experiment
We present the design of a next-generation experiment, n2EDM, currently under construction at the ultracold neutron source at the Paul Scherrer Institute (PSI) with the aim of carrying out a high-precision sea...
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Article
Open AccessData blinding for the nEDM experiment at PSI
Psychological bias towards, or away from, prior measurements or theory predictions is an intrinsic threat to any data analysis. While various methods can be used to try to avoid such a bias, e.g. actively avoidin...
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Neutron optics of the PSI ultracold-neutron source: characterization and simulation
The ultracold-neutron (UCN) source at the Paul Scherrer Institute serves mainly experiments in fundamental physics. High UCN intensities are the key for progress and success in such experiments. A detailed und...
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Article
Solid deuterium surface degradation at ultracold neutron sources
Solid deuterium (sD \( _2\) ...
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Upgrade of the ultracold neutron source at the pulsed reactor TRIGA Mainz
The performance of the upgraded solid deuterium ultracold neutron source at the pulsed reactor TRIGA Mainz is described. The current configuration stage comprises the installation of a He liquefier to run UCN ...
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Article
Ultracold neutron detection with 6Li-doped glass scintillators
This paper summarizes the results from measurements aiming to characterize ultracold neutron detection with 6Li-doped glass scintillators. Single GS10 or GS20 scintillators, with a thickness of 100-200μm, fulfill...
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Article
A device for simultaneous spin analysis of ultracold neutrons
We report on the design and first tests of a device allowing for measurement of ultracold neutrons polarisation by means of the simultaneous analysis of the two spin components. The device was developed in the...
