429 citations · 2k across the 42 of their papers we have counts for
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Neutral Bremsstrahlung emission in xenon unveiled
C. A. O. Henriques, P. Amedo, J. M. R. Teixeira +90
We present evidence of non-excimer-based secondary scintillation in gaseous xenon, obtained using both the NEXT-White TPC and a dedicated setup. Detailed comparison with first-prin…
Simulated Thick, Fully-Depleted CCD Exposures Analyzed with Deep Learning Techniques
C. Britt, E. Church, T. Hossbach +4
Thick, Charge Coupled Devices (CCDs) have recently been explored for applied physics, such as nuclear explosion monitoring, and dark matter detection purposes. When run in fully-de…
The Dynamics of Ions on Phased Radio-frequency Carpets in High Pressure Gases and Application for Barium Tagging in Xenon Gas Time Projection Chambers
NEXT Collaboration, B. J. P. Jones, A. Raymond +107
Radio-frequency (RF) carpets with ultra-fine pitches are examined for ion transport in gases at atmospheric pressures and above. We develop new analytic and computational methods f…
Dielectric Strength of Noble and Quenched Gases for High Pressure Time Projection Chambers
L. Norman, K. Silva, B. J. P. Jones +3
Dielectric breakdown strength is one of the critical performance metrics for gases and mixtures used in large, high pressure gas time projection chambers. In this paper we experime…
Boosting background suppression in the NEXT experiment through Richardson-Lucy deconvolution
A. Simón, Y. Ifergan, A. B. Redwine +100
Next-generation neutrinoless double beta decay experiments aim for half-life sensitivities of ~ yr, requiring suppressing backgrounds to <1 count/tonne/yr. For this, any e…
Demonstration of background rejection using deep convolutional neural networks in the NEXT experiment
NEXT Collaboration, M. Kekic, C. Adams +88
Convolutional neural networks (CNNs) are widely used state-of-the-art computer vision tools that are becoming increasingly popular in high energy physics. In this paper, we attempt…
Dependence of polytetrafluoroethylene reflectance on thickness at visible and ultraviolet wavelengths in air
S. Ghosh, J. Haefner, J. Martín-Albo +88
Polytetrafluoroethylene (PTFE) is an excellent diffuse reflector widely used in light collection systems for particle physics experiments. However, the reflectance of PTFE is a fun…
Barium Selective Chemosensing by Diazacrown Ether Naphthalimide Turn-on Fluorophores for Single Ion Barium Tagging
P. Thapa, N. K. Byrnes, A. A. Denisenko +9
Single molecule fluorescence detection of barium is investigated for enhancing the sensitivity and robustness of a neutrinoless double beta decay () search in Xe, the…
Sensitivity of a tonne-scale NEXT detector for neutrinoless double beta decay searches
NEXT Collaboration, C. Adams, V. Álvarez +96
The Neutrino Experiment with a Xenon TPC (NEXT) searches for the neutrinoless double-beta decay of Xe-136 using high-pressure xenon gas TPCs with electroluminescent amplification.…
Mitigation of Backgrounds from Cosmogenic Xe in Xenon Gas Experiments using He Neutron Capture
L. Rogers, B. J. P. Jones, A. Laing +89
\Xe{136} is used as the target medium for many experiments searching for \bbnonu. Despite underground operation, cosmic muons that reach the laboratory can produce spallation neutr…
A Method to Determine the Electric Field of Liquid Argon Time Projection Chambers Using a UV Laser System and its Application in MicroBooNE
MicroBooNE collaboration, C. Adams, M. Alrashed +187
Liquid argon time projection chambers (LArTPCs) are now a standard detector technology for making accelerator neutrino measurements, due to their high material density, precise tra…
Barium Tagging with Selective, Dry-Functional, Single Molecule Sensitive On-Off Fluorophores for the NEXT Experiment
N. K. Byrnes, A. A. Denisenko, F. W. Foss +5
In the search for neutrinoless double beta decay, understanding and reducing backgrounds is crucial for success. An advance that could drive backgrounds to negligible levels would…
Radio Frequency and DC High Voltage Breakdown of High Pressure Helium, Argon, and Xenon
K. Woodruff, J. Baeza-Rubio, D. Huerta +91
Motivated by the possibility of guiding daughter ions from double beta decay events to single-ion sensors for barium tagging, the NEXT collaboration is developing a program of R&D…
Calibration of the charge and energy loss per unit length of the MicroBooNE liquid argon time projection chamber using muons and protons
MicroBooNE collaboration, C. Adams, M. Alrashed +186
We describe a method used to calibrate the position- and time-dependent response of the MicroBooNE liquid argon time projection chamber anode wires to ionization particle energy lo…
Low-diffusion Xe-He gas mixtures for rare-event detection: Electroluminescence Yield
A. F. M. Fernandes, C. A. O. Henriques, R. D. P. Mano +88
High pressure xenon Time Projection Chambers (TPC) based on secondary scintillation (electroluminescence) signal amplification are being proposed for rare event detection such as d…
Radiogenic backgrounds in the NEXT double beta decay experiment
NEXT Collaboration, P. Novella, B. Palmeiro +88
Natural radioactivity represents one of the main backgrounds in the search for neutrinoless double beta decay. Within the NEXT physics program, the radioactivity-induced background…
Demonstration of the event identification capabilities of the NEXT-White detector
NEXT Collaboration, P. Ferrario, J. M. Benlloch-Rodríguez +88
In experiments searching for neutrinoless double-beta decay, the possibility of identifying the two emitted electrons is a powerful tool in rejecting background events and therefor…
Energy calibration of the NEXT-White detector with 1% resolution near Q of Xe
J. Renner, G. Díaz López, P. Ferrario +87
Excellent energy resolution is one of the primary advantages of electroluminescent high pressure xenon TPCs, and searches for rare physics events such as neutrinoless double-beta d…
Barium Chemosensors with Dry-Phase Fluorescence for Neutrinoless Double Beta Decay
P. Thapa, I. Arnquist, N. Byrnes +6
The nature of the neutrino is one of the major open questions in experimental nuclear and particle physics. The most sensitive known method to establish the Majorana nature of the…
Electron Drift and Longitudinal Diffusion in High Pressure Xenon-Helium Gas Mixtures
A. D. McDonald, K. Woodruff, B. Al Atoum +83
We report new measurements of the drift velocity and longitudinal diffusion coefficients of electrons in pure xenon gas and in xenon-helium gas mixtures at 1-9 bar and electric fie…
Rejecting cosmic background for exclusive neutrino interaction studies with Liquid Argon TPCs; a case study with the MicroBooNE detector
MicroBooNE collaboration, C. Adams, M. Alrashed +172
Cosmic ray (CR) interactions can be a challenging source of background for neutrino oscillation and cross-section measurements in surface detectors. We present methods for CR rejec…
Design and construction of the MicroBooNE Cosmic Ray Tagger system
MicroBooNE collaboration, C. Adams, M. Alrashed +171
The MicroBooNE detector utilizes a liquid argon time projection chamber (LArTPC) with an 85 t active mass to study neutrino interactions along the Booster Neutrino Beam (BNB) at Fe…
Ionization Electron Signal Processing in Single Phase LArTPCs II. Data/Simulation Comparison and Performance in MicroBooNE
MicroBooNE collaboration, C. Adams, R. An +168
The single-phase liquid argon time projection chamber (LArTPC) provides a large amount of detailed information in the form of fine-grained drifted ionization charge from particle t…
Ionization Electron Signal Processing in Single Phase LArTPCs I. Algorithm Description and Quantitative Evaluation with MicroBooNE Simulation
MicroBooNE collaboration, C. Adams, R. An +166
We describe the concept and procedure of drifted-charge extraction developed in the MicroBooNE experiment, a single-phase liquid argon time projection chamber (LArTPC). This techni…