296 citations · 1.7k across the 47 of their papers we have counts for
48 papers
EXO-200 Public Data Release for AI/ML Applications
S. Al Kharusi, G. Anton, I. Badhrees +103
We present a public release of a subset of calibration data from the EXO-200 experiment, a liquid xenon time projection chamber designed to search for neutrinoless double-beta deca…
Ultra-pure Nickel for Structural Components of Low-Radioactivity Instruments
T. J. Roosendaal, C. T. Overman, G. S. Ortega +123
The next generation of rare-event search experiments in nuclear and particle physics demand structural materials combining exceptional mechanical strength with ultra-low levels of…
Enhanced sensitivity to trace U impurity of sapphire via coincidence neutron activation analysis
D. Chernyak, I. J. Arnquist, T. Daniels +9
Sapphire has mechanical and electrical properties that are advantageous for the construction of internal components of radiation detectors such as time projection chambers and bolo…
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…
Radon emanation rate measurements using liquid scintillation counting
A. B. M. R. Sazzad, P. Acharya, P. Back +6
This article describes a radon emanation measurement technique using liquid scintillator counting. A model for radon loading and transport is described, along with its calibration.…
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…
Generative Adversarial Networks for Scintillation Signal Simulation in EXO-200
S. Li, I. Ostrovskiy, Z. Li +87
Generative Adversarial Networks trained on samples of simulated or actual events have been proposed as a way of generating large simulated datasets at a reduced computational cost.…
Search for Two-neutrino Double-Beta Decay of to the excited state of with the Complete EXO-200 Dataset
200 Collaboration, S. Al Kharusi, G. Anton +104
A new search for two-neutrino double-beta () decay of to the excited state of is performed with the full EXO-200 dataset. A deep learnin…
Cosmogenic activation of sodium iodide
R. Saldanha, W. G. Thompson, Y. Y. Zhong +7
The production of radioactive isotopes by interactions of cosmic-ray particles with sodium iodide (NaI) crystals can produce radioactive backgrounds in detectors used to search for…
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 ($…
Radon Emanation from Dust of Varying Composition and Size
Yue Meng, Jerry Busenitz, Andreas Piepke +3
emanating from environmental dust constitutes an important background component for many low-energy, low-rate experiments. Radon emanation rates from dust and rock, thus…
Sensitivity analysis towards trace-uranium detection with - coincidence NAA
Raymond Hei Man Tsang, Omar Nusair, Andreas Piepke
We present an improved approach for detection of trace amounts of U by means of neutron activation analysis (NAA). The analysis enhancement is obtained by utilizing -…
Search for Majoron-emitting modes of Xe double beta decay with the complete EXO-200 dataset
S. Al Kharusi, G. Anton, I. Badhrees +103
A search for Majoron-emitting modes of the neutrinoless double-beta decay of Xe is performed with the full EXO-200 dataset. This dataset consists of a total Xe expo…
The EXO-200 detector, part II: Auxiliary Systems
N. Ackerman, J. Albert, M. Auger +157
The EXO-200 experiment searched for neutrinoless double-beta decay of Xe with a single-phase liquid xenon detector. It used an active mass of 110 kg of 80.6%-enriched liqui…
Reflectivity of VUV-sensitive Silicon Photomultipliers in Liquid Xenon
M. Wagenpfeil, T. Ziegler, J. Schneider +140
Silicon photomultipliers are regarded as a very promising technology for next-generation, cutting-edge detectors for low-background experiments in particle physics. This work prese…
Event Reconstruction in a Liquid Xenon Time Projection Chamber with an Optically-Open Field Cage
T. Stiegler, S. Sangiorgio, J. P. Brodsky +148
nEXO is a proposed tonne-scale neutrinoless double beta decay () experiment using liquid (LXe) in a Time Projection Chamber (TPC) to read out ionization and scin…
Cosmogenic activation of silicon
R. Saldanha, R. Thomas, R. H. M. Tsang +10
The production of H, Be, and Na by interactions of cosmic-ray particles with silicon can produce radioactive backgrounds in detectors used to search for rare eve…
Measurement of the Spectral Shape of the beta-decay of 137Xe to the Ground State of 137Cs in EXO-200 and Comparison with Theory
S. Al Kharusi, G. Anton, I. Badhrees +105
We report on a comparison between the theoretically predicted and experimentally measured spectra of the first-forbidden non-unique -decay transition $^{137}\textrm{Xe}(7/2^-)\t…
Reflectance of Silicon Photomultipliers at Vacuum Ultraviolet Wavelengths
P. Lv, G. F. Cao, L. J. Wen +148
Characterization of the vacuum ultraviolet (VUV) reflectance of silicon photomultipliers (SiPMs) is important for large-scale SiPM-based photodetector systems. We report the angula…
Measurements of electron transport in liquid and gas Xenon using a laser-driven photocathode
O. Njoya, T. Tsang, M. Tarka +153
Measurements of electron drift properties in liquid and gaseous xenon are reported. The electrons are generated by the photoelectric effect in a semi-transparent gold photocathode…
Reflectivity and PDE of VUV4 Hamamatsu SiPMs in Liquid Xenon
P. Nakarmi, I. Ostrovskiy, A. K. Soma +152
Understanding reflective properties of materials and photodetection efficiency (PDE) of photodetectors is important for optimizing energy resolution and sensitivity of the next gen…
Simulation of charge readout with segmented tiles in nEXO
Z. Li, W. R. Cen, A. Robinson +150
nEXO is a proposed experiment to search for the neutrino-less double beta decay () of Xe in a tonne-scale liquid xenon time projection chamber (TPC). The nEXO TPC wil…
Characterization of the Hamamatsu VUV4 MPPCs for nEXO
G. Gallina, P. Giampa, F. Retiere +148
In this paper we report on the characterization of the Hamamatsu VUV4 (S/N: S13370-6152) Vacuum Ultra-Violet (VUV) sensitive Silicon Photo-Multipliers (SiPMs) as part of the develo…
Cosmogenic production of Ar and Ar in argon
R. Saldanha, H. O. Back, R. H. M. Tsang +6
We have experimentally determined the production rate of Ar and Ar from cosmic ray neutron interactions in argon at sea level. Understanding these production rates is…