258 citations · 1.5k across the 35 of their papers we have counts for
36 papers
Optical intensity interferometry lab tests in preparation of stellar diameter measurements at IACTs at GHz photon rates
Andreas Zmija, Naomi Vogel, Gisela Anton +4
Astronomical intensity interferometry enables quantitative measurements of the source geometry by measuring the photon fluxes in individual telescopes and correlating them, rather…
Active Personal Eye Lens Dosimetry with the Hybrid Pixelated Dosepix Detector
Florian Beißer, Dennis Haag, Rafael Ballabriga +27
Eye lens dosimetry has been an important field of research in the last decade. Dose measurements with a prototype of an active personal eye lens dosemeter based on the Dosepix dete…
Search for MeV Electron Recoils from Dark Matter in EXO-200
200 Collaboration, S. Al Kharusi, G. Anton +104
We present a search for electron-recoil signatures from the charged-current absorption of fermionic dark matter using the EXO-200 detector. We report an average electron recoil bac…
Comparing Different Approaches for Stellar Intensity Interferometry
Sebastian Karl, Andreas Zmija, Stefan Richter +7
Stellar intensity interferometers correlate photons within their coherence time and could overcome the baseline limitations of existing amplitude interferometers. Intensity interfe…
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…
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}…
Personal Dosimetry in Direct Pulsed Photon Fields with the Dosepix Detector
Dennis Haag, Sebastian Schmidt, Patrick Hufschmidt +13
First investigations regarding dosimetric properties of the hybrid, pixelated, photon-counting Dosepix detector in the direct beam of a pulsed photon field (RQR8) for the personal…
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…
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…
Measurement of the scintillation and ionization response of liquid xenon at MeV energies in the EXO-200 experiment
200 Collaboration, G. Anton, I. Badhrees +99
Liquid xenon (LXe) is employed in a number of current and future detectors for rare event searches. We use the EXO-200 experimental data to measure the absolute scintillation and i…
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…
Search for Neutrinoless Double-Beta Decay with the Complete EXO-200 Dataset
G. Anton, I. Badhrees, P. S. Barbeau +99
A search for neutrinoless double-beta decay () in Xe is performed with the full EXO-200 dataset using a deep neural network to discriminate between and backgro…
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…
Study of Silicon Photomultiplier Performance in External Electric Fields
X. L. Sun, T. Tolba, G. F. Cao +149
We report on the performance of silicon photomultiplier (SiPM) light sensors operating in electric field strength up to 30 kV/cm and at a temperature of 149K, relative to their per…
VUV-sensitive Silicon Photomultipliers for Xenon Scintillation Light Detection in nEXO
A. Jamil, T. Ziegler, P. Hufschmidt +140
Future tonne-scale liquefied noble gas detectors depend on efficient light detection in the VUV range. In the past years Silicon Photomultipliers (SiPMs) have emerged as a valid al…
Phase-Sensitive Region-of-Interest Computed Tomography
Lina Felsner, Martin Berger, Sebastian Kaeppler +8
X-Ray Phase-Contrast Imaging (PCI) yields absorption, differential phase, and dark-field images. Computed Tomography (CT) of grating-based PCI can in principle provide high-resolut…
nEXO Pre-Conceptual Design Report
nEXO Collaboration, S. Al Kharusi, A. Alamre +171
The projected performance and detector configuration of nEXO are described in this pre-Conceptual Design Report (pCDR). nEXO is a tonne-scale neutrinoless double beta () deca…
Deep Neural Networks for Energy and Position Reconstruction in EXO-200
S. Delaquis, M. J. Jewell, I. Ostrovskiy +91
We apply deep neural networks (DNN) to data from the EXO-200 experiment. In the studied cases, the DNN is able to reconstruct the relevant parameters - total energy and position -…
Search for nucleon decays with EXO-200
J. B. Albert, G. Anton, I. Badhrees +92
A search for instability of nucleons bound in Xe nuclei is reported with 223 kgyr exposure of Xe in the EXO-200 experiment. Lifetime limits of 3.3$\times 10^…