619 citations · 3.1k across the 55 of their papers we have counts for
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Achieving ultra-low and -uniform residual magnetic fields in a very large magnetically shielded room for fundamental physics experiments
N. J. Ayres, G. Ban, G. Bison +47
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…
A large 'Active Magnetic Shield' for a high-precision experiment
C. Abel, N. J. Ayres, G. Ban +48
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 se…
Gas electron tracking detector for beta decay experiments
D. Rozpedzik, L. De Keukeleere, K. Bodek +4
For identification and 3D-tracking of low-energy electrons a new type of gas-based detector was designed that minimizes scattering and energy loss. The current version of the detec…
The `n2EDM MSR' -- a very large magnetically shielded room with an exceptional performance for fundamental physics measurements
N. J. Ayres, G. Ban, G. Bison +41
We present the magnetically shielded room (MSR) for the n2EDM experiment at the Paul Scherrer Institute which features an interior cubic volume with each side of length 2.92m, thus…
Mapping of the magnetic field to correct systematic effects in a neutron electric dipole moment experiment
C. Abel, N. J. Ayres, G. Ban +50
Experiments dedicated to the measurement of the electric dipole moment of the neutron require outstanding control of the magnetic field uniformity. The neutron electric dipole mome…
The design of the n2EDM experiment
N. J. Ayres, G. Ban, L. Bienstman +58
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 carr…
Optical Magnetometry based Current Source
Peter A. Koss, Reza Tavakoli Dinani, Luc Bienstman +2
We present a current monitoring system based on optical magnetometry, which is able to discriminate true current variations from environmental effects at room temperature. The syst…
The MORA project
P. Delahaye, E. Liénard, I. Moore +25
The MORA (Matter's Origin from the RadioActivity of trapped and oriented ions) project aims at measuring with unprecedented precision the D correlation in the nuclear beta decay of…
nEDM experiment at PSI: data-taking strategy and sensitivity of the dataset
C. Abel, N. J. Ayres, G. Ban +40
We report on the strategy used to optimize the sensitivity of our search for a neutron electric dipole moment at the Paul Scherrer Institute. Measurements were made upon ultracold…
Magnetic field uniformity in neutron electric dipole moment experiments
C. Abel, N. Ayres, T. Baker +53
Magnetic field uniformity is of the utmost importance in experiments to measure the electric dipole moment of the neutron. A general parametrization of the magnetic field in terms…
The n2EDM experiment at the Paul Scherrer Institute
C. Abel, N. J. Ayres, G. Ban +45
We present the new spectrometer for the neutron electric dipole moment (nEDM) search at the Paul Scherrer Institute (PSI), called n2EDM. The setup is at room temperature in vacuum…
Multi-Wire 3D Gas Tracker for Searching New Physics in Nuclear Beta Decay
D. Rozpedzik, K. Bodek, K. Lojek +5
Searches of new physics beyond the Standard Model (SM) performed at low energy frontiers are complementary to experiments carried out at high energy colliders. Among the methods fo…
A new beamline for laser spin-polarization at ISOLDE
W. Gins, R. D. Harding, M. Baranowski +11
A beamline dedicated to the production of laser-polarized radioactive beams has been constructed at ISOLDE, CERN. We present here different simulations leading to the design and co…
Demonstration of sensitivity increase in mercury free-spin-precession magnetometers due to laser-based readout for neutron electric dipole moment searches
G. Ban, G. Bison, K. Bodek +31
We report on a laser based Hg co-magnetometer deployed in an experiment searching for a permanent electric dipole moment of the neutron. We demonstrate a more than five tim…
PCB Coil Design Producing a Uniform Confined Magnetic Field
Peter A. Koss, Christopher Crawford, Georg Bison +3
We present a magnetic field confining coil with a sub- field uniformity over a large fraction of the coil. The structure is entirely made out of printed circuit boards (PC…
Ultracold neutron detection with 6Li-doped glass scintillators, NANOSC: a fast ultracold neutron detector for the nEDM experiment at the Paul Scherrer Institute
G. Ban, G. Bison, K. Bodek +32
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…
Front-end electronics and data acquisition system for a multi-wire 3D gas tracker
K. Lojek, D. Rozpedzik, K. Bodek +2
This paper presents the design and implementation of the front-end electronics and the data acquisition (DAQ) system for readout of multi-wire drift chambers (MWDC). Apart of the c…
Gravitational Depolarization of Ultracold Neutrons: Comparison with Data
S. Afach, N. J. Ayres, C. A. Baker +47
We compare the expected effects of so-called gravitationally enhanced depolarization of ultracold neutrons to measurements carried out in a spin-precession chamber exposed to a var…
Observation of gravitationally induced vertical striation of polarized ultracold neutrons by spin-echo spectroscopy
S. Afach, N. J. Ayres, G. Ban +45
We describe a spin-echo method for ultracold neutrons (UCNs) confined in a precession chamber and exposed to a magnetic field. We have demonstrated that the ana…
Performance of Geant4 in simulating semiconductor particle detector response in the energy range below 1 MeV
G. Soti, F. Wauters, M. Breitenfeldt +6
Geant4 simulations play a crucial role in the analysis and interpretation of experiments providing low energy precision tests of the Standard Model. This paper focuses on the accur…