303 citations · 1k across the 35 of their papers we have counts for
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A New High-Intensity Source for Ultracold Neutrons
K. Abe, S. Ahmed, B. Algohi +78
The TRIUMF UltraCold Advanced Neutron (TUCAN) collaboration has completed a new superthermal source for ultracold neutrons (UCNs) at TRIUMF. Neutrons produced in a spallation targe…
Performance of the TUCAN Magnetically Shielded Room
S. Ahmed, B. Algohi, D. Anthony +64
The TRIUMF Ultracold Advanced Neutron (TUCAN) collaboration has commissioned a large magnetically shielded room to be used for measuring the neutron electric dipole moment (nEDM) t…
Ultracold Neutron Guide-Coating Facility at U.Winnipeg
T. Hepworth, A. Zahra, B. Algohi +72
We report the construction and commissioning of a new ultracold neutron (UCN) guide-coating facility at the University of Winnipeg. The facility employs pulsed laser deposition (PL…
Neutron EDM Experiment with an Advanced Ultracold Neutron Source at TRIUMF
T. Higuchi, B. Algohi, D. Anthony +67
The TRIUMF Ultracold Advanced Neutron (TUCAN) collaboration has been developing a high-intensity ultracold neutron (UCN) source aimed at searching for the neutron electric dipole m…
Cryogenic systems for the TUCAN EDM experiment
Jeffery W. Martin, B. Algohi, D. Anthony +60
The TUCAN (TRIUMF UltraCold Advanced Neutron) Collaboration is completing a new ultracold neutron (UCN) source. The UCN source will deliver UCNs to a neutron electric dipole moment…
QuSpin Zero-Field Magnetometer Characterization for the TUCAN Experiment
Michael Zhao, Russell Mammei, Derek Fujimoto
The TUCAN nEDM experiment characterizes the QuSpin Zero-Field Magnetometer (QZFM) to accurately map residual fields within a large magnetically shielded room. The magnetometer's in…
A Flexible Data Acquisition System Architecture for the Nab Experiment
D. G. Mathews, H. Acharya, C. B. Crawford +15
The Nab experiment will measure the electron-neutrino correlation and Fierz interference term in free neutron beta decay to test the Standard Model and probe Beyond the Standard Mo…
Polarized cold-neutron reflectometry at JRR-3/MINE2 for the development of ultracold-neutron spin analyzers for a neutron EDM experiment at TRIUMF
Takashi Higuchi, Hiroaki Akatsuka, Alexis Brossard +18
The neutron electric dipole moment (EDM) is a sensitive probe for currently undiscovered sources of charge-parity symmetry violation. As part of the TRIUMF Ultracold Advanced Neutr…
Demonstration of magnetically silent optically pumped magnetometers for the TUCAN electric dipole moment experiment
Wolfgang Klassen, Shomi Ahmed, Kiera Pond Grehan +9
We report the performance of a magnetically silent optically pumped cesium magnetometer with a statistical sensitivity of 3.5 pT/rtHz at 1~Hz and a stability of 90 fT over 150 seco…
A diffuse scattering model of ultracold neutrons on wavy surfaces
S. Imajo, H. Akatsuka, K. Hatanaka +10
Metal tubes plated with nickel-phosphorus are used in many fundamental physics experiments using ultracold neutrons (UCN) because of their ease of fabrication. These tubes are usua…
The Precision nEDM Measurement with UltraCold Neutrons at TRIUMF
Ryohei Matsumiya, Hiroaki Akatsuka, Chris P. Bidinosti +45
The TRIUMF Ultra-Cold Advanced Neutron (TUCAN) collaboration aims at a precision neutron electric dipole moment (nEDM) measurement with an uncertainty of $10^{-27}\,e\cdot\mathrm{c…
A beamline for fundamental neutron physics at TRIUMF
S. Ahmed, T. Andalib, M. J. Barnes +44
This article describes the new primary proton beamline 1U at TRIUMF. The purpose of this beamline is to produce ultracold neutrons (UCN) for fundamental-physics experiments. It del…
First ultracold neutrons produced at TRIUMF
S. Ahmed, E. Altiere, T. Andalib +50
We installed a source for ultracold neutrons at a new, dedicated spallation target at TRIUMF. The source was originally developed in Japan and uses a superfluid-helium converter co…
Sensitivity of Fields Generated within Magnetically Shielded Volumes to Changes in Magnetic Permeability
T. Andalib, J. W. Martin, C. P. Bidinosti +4
Future experiments seeking to measure the neutron electric dipole moment (nEDM) require stable and homogeneous magnetic fields. Normally these experiments use a coil internal to a…
Characterization of a scintillating lithium glass ultra-cold neutron detector
Blair Jamieson, Lori A Rebenitsch, Sean Hansen-Romu +4
A Li glass based scintillation detector developed for the TRIUMF neutron electric dipole moment experiment was characterized using the ultra-cold neutron source at the Paul S…
Large Magnetic Shielding Factor Measured by Nonlinear Magneto-optical Rotation
Jeffery W. Martin, Russell R. Mammei, Wolfgang Klassen +5
A passive magnetic shield was designed and constructed for magnetometer tests for the future neutron electric dipole moment experiment at TRIUMF. The axial shielding factor of the…