Publications (16)
An integrated online radioassay data storage and analytics tool for nEXO
R. H. M. Tsang, A. Piepke, S. Al Kharusi +157
Large-scale low-background detectors are increasingly used in rare-event searches as experimental collaborations push for enhanced sensitivity. However, building such detectors, in…
Offline trapping of Fr in a magneto-optical trap from implantation of an Ac ion beam
M. Tandecki, J. Zhang, S. Aubin +10
We demonstrate a new technique to prepare an offline source of francium for trapping in a magneto-optical trap. Implanting a radioactive beam of Ac, da…
Supernova electron-neutrino interactions with xenon in the nEXO detector
nEXO Collaboration, S. Hedges, S. Al Kharusi +144
Electron-neutrino charged-current interactions with xenon nuclei were modeled in the nEXO neutrinoless double- decay detector (~5 metric ton, 90% Xe, 10% Xe…
Design of a high voltage delivery system for noble liquid time projection chambers
R. Saldanha, L. Pagani, E. Angelico +129
Noble liquid time projection chambers (TPCs) are a leading technology in the detection of ionizing radiation, particularly in applications such as accelerator neutrino physics, dar…
Characterization of CRYO ASIC for charge readout in the nEXO experiment
Z. Li, M. Yu, E. Angelico +141
nEXO is a proposed next-generation experiment searching for the neutrinoless double beta decay of Xe using a tonne-scale liquid xenon (LXe) time projection chamber (TPC). T…
Sensitivity of nEXO to Xe Charged-Current Interactions: Background-free Searches for Solar Neutrinos and Fermionic Dark Matter
G. Richardson, B. G. Lenardo, D. Gallacher +135
We study the sensitivity of nEXO to solar neutrino charged-current interactions, XeCs, as well as analogous interactions predicted by m…
Imaging of single barium atoms in a second matrix site in solid xenon for barium tagging in a Xe double beta decay experiment
M. Yvaine, D. Fairbank, J. Soderstrom +134
Neutrinoless double beta decay is one of the most sensitive probes for new physics beyond the Standard Model of particle physics. One of the isotopes under investigation is $^{136}…
Performance of novel VUV-sensitive Silicon Photo-Multipliers for nEXO
G. Gallina, Y. Guan, F. Retiere +162
Liquid xenon time projection chambers are promising detectors to search for neutrinoless double beta decay (0), due to their response uniformity, monolithic sensitive volum…
'Searching for a needle in a haystack;' A Ba-tagging approach for an upgraded nEXO experiment
H. Rasiwala, K. Murray, Y. Lan +17
nEXO is a proposed experiment that will search for neutrinoless double-beta decay (0) in 5-tonnes of liquid xenon (LXe), isotopically enriched in Xe. A technique ca…
Development of a Xe calibration source for nEXO
B. G. Lenardo, C. A. Hardy, R. H. M. Tsang +125
We study a possible calibration technique for the nEXO experiment using a Xe electron capture source. nEXO is a next-generation search for neutrinoless double beta decay ($…
Design and Performance of a Novel Low Energy Multi-Species Beamline for the ALPHA Antihydrogen Experiment
C. J. Baker, W. Bertsche, A. Capra +47
The ALPHA Collaboration, based at the CERN Antiproton Decelerator, has recently implemented a novel beamline for low-energy ( 100 eV) positron and antiproton transport be…
Ultra-sensitive radon assay using an electrostatic chamber in a recirculating system
nEXO Collaboration, A. Anker, P. A. Breur +138
Rare event searches such as neutrinoless double beta decay and Weakly Interacting Massive Particle detection require ultra-low background detectors. Radon contamination is a signif…
Neutrinoless Double Beta Decay
C. Adams, K. Alfonso, C. Andreoiu +229
This White Paper, prepared for the Fundamental Symmetries, Neutrons, and Neutrinos Town Meeting related to the 2023 Nuclear Physics Long Range Plan, makes the case for double beta…
The nEXO Radioassay Program
R. MacLellan, P. Acharya, B. Aharmim +148
Material radioactivity compilations, such as the one presented here, are important enablers of science. They are useful for the selection of radiopure materials used in the design…
NEXO: Neutrinoless double beta decay search beyond year half-life sensitivity
nEXO Collaboration, G. Adhikari, S. Al Kharusi +158
The nEXO neutrinoless double beta decay experiment is designed to use a time projection chamber and 5000 kg of isotopically enriched liquid xenon to search for the decay in $^{136}…
Commissioning of the Francium Trapping Facility at TRIUMF
M. Tandecki, J. Zhang, R. Collister +6
We report on the successful commissioning of the Francium Trapping Facility at TRIUMF. Large laser-cooled samples of francium are produced from a francium ion beam delivered by the…