Publications (60)
Search for Neutrinoless Double-Beta Decay in Xe with EXO-200
M. Auger, D. J. Auty, P. S. Barbeau +75
We report on a search for neutrinoless double-beta decay of Xe with EXO-200. No signal is observed for an exposure of 32.5 kg-yr, with a background of ~1.5 x 10^{-3} /(kg y…
On the Electric Breakdown in Liquid Argon at Centimeter Scale
M. Auger, A. Blatter, A. Ereditato +7
We present a study on the dependence of electric breakdown discharge properties on electrode geometry and the breakdown field in liquid argon near its boiling point. The measuremen…
Noise Characterization and Filtering in the MicroBooNE Liquid Argon TPC
MicroBooNE collaboration, R. Acciarri, C. Adams +152
The low-noise operation of readout electronics in a liquid argon time projection chamber (LArTPC) is critical to properly extract the distribution of ionization charge deposited on…
The DUNE Far Detector Interim Design Report, Volume 2: Single-Phase Module
DUNE Collaboration, B. Abi, R. Acciarri +1092
The DUNE IDR describes the proposed physics program and technical designs of the DUNE far detector modules in preparation for the full TDR to be published in 2019. It is intended a…
TDCOSMO IV: Hierarchical time-delay cosmography -- joint inference of the Hubble constant and galaxy density profiles
S. Birrer, A. J. Shajib, A. Galan +24
The H0LiCOW collaboration inferred via gravitational lensing time delays a Hubble constant km s, describing deflector mass density pro…
Characterization of large area APDs for the EXO-200 detector
R. Neilson, F. LePort, A. Pocar +49
EXO-200 uses 468 large area avalanche photodiodes (LAAPDs) for detection of scintillation light in an ultra-low-background liquid xenon (LXe) detector. We describe initial measurem…
Gravitationally lensed quasars in Gaia -- IV. 150 new lenses, quasar pairs, and projected quasars
C. Lemon, T. Anguita, M. Auger +8
We report the spectroscopic follow-up of 175 lensed quasar candidates selected using Gaia Data Release 2 observations following Lemon et al. 2019. Systems include 86 confirmed lens…
Determination of muon momentum in the MicroBooNE LArTPC using an improved model of multiple Coulomb scattering
MicroBooNE collaboration, P. Abratenko, R. Acciarri +145
We discuss a technique for measuring a charged particle's momentum by means of multiple Coulomb scattering (MCS) in the MicroBooNE liquid argon time projection chamber (LArTPC). Th…
H0LiCOW - IX. Cosmographic analysis of the doubly imaged quasar SDSS 1206+4332 and a new measurement of the Hubble constant
S. Birrer, T. Treu, C. E. Rusu +15
We present a blind time-delay strong lensing (TDSL) cosmographic analysis of the doubly imaged quasar SDSS 1206+4332. We combine the relative time delay between the quasar images,…
A simple radionuclide-driven single-ion source
M. Montero DÃez, K. Twelker, W. Fairbank +54
We describe a source capable of producing single barium ions through nuclear recoils in radioactive decay. The source is fabricated by electroplating 148Gd onto a silicon α-partic…
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…
J17218842: a gravitationally lensed binary quasar with a proximate damped Lyman- absorber
C. Lemon, M. Millon, D. Sluse +5
High-redshift binary quasars provide key insights into mergers and quasar activity, and are useful tools for probing the spatial kinematics and chemistry of galaxies along the line…
A New Concept for Kilotonne Scale Liquid Argon Time Projection Chambers
M. Auger, R. Berner, Y. Chen +25
We develop a novel approach for a Time Projection Chamber (TPC) concept suitable for deployment in kilotonne scale detectors, with a charge-readout system free from reconstruction…
Multi-channel front-end board for SiPM readout
M. Auger, A. Ereditato, D. Goeldi +6
We describe a novel high-speed front-end electronic board (FEB) for interfacing an array of 32 Silicon Photo-multipliers (SiPM) with a computer. The FEB provides individually adjus…
First Measurement of Inclusive Muon Neutrino Charged Current Differential Cross Sections on Argon at GeV with the MicroBooNE Detector
P. Abratenko, C. Adams, M. Alrashed +178
We report the first measurement of the double-differential and total muon neutrino charged current inclusive cross sections on argon at a mean neutrino energy of 0.8 GeV. Data were…
A Novel Cosmic Ray Tagger System for Liquid Argon TPC Neutrino Detectors
M. Auger, M. Del Tutto, A. Ereditato +13
The Fermilab Short Baseline Neutrino (SBN) program aims to observe and reconstruct thousands of neutrino-argon interactions with its three detectors (SBND, MicroBooNE and ICARUS-T6…
ArCLight - a Compact Dielectric Large-Area Photon Detector
M. Auger, Y. Chen, A. Ereditato +7
ArCLight is a novel device for detecting scintillation light over large areas with Photon Detection Efficiency (PDE) of the order of a few percent. Its robust technological design…
The Pandora multi-algorithm approach to automated pattern recognition of cosmic-ray muon and neutrino events in the MicroBooNE detector
MicroBooNE collaboration, R. Acciarri, C. Adams +145
The development and operation of Liquid-Argon Time-Projection Chambers for neutrino physics has created a need for new approaches to pattern recognition in order to fully exploit t…
First Demonstration of a Pixelated Charge Readout for Single-Phase Liquid Argon Time Projection Chambers
J. Asaadi, M. Auger, A. Ereditato +11
Liquid Argon Time Projection Chambers (LArTPCs) have been selected for the future long-baseline Deep Underground Neutrino Experiment (DUNE). To allow LArTPCs to operate in the high…
Strong Gravitational Lensing as a Probe of Gravity, Dark-Matter and Super-Massive Black Holes
L. V. E. Koopmans, M. Auger, M. Barnabe +26
Whereas considerable effort has been afforded in understanding the properties of galaxies, a full physical picture, connecting their baryonic and dark-matter content, super-massive…
Long-Baseline Neutrino Facility (LBNF) and Deep Underground Neutrino Experiment (DUNE) Conceptual Design Report Volume 1: The LBNF and DUNE Projects
R. Acciarri, M. A. Acero, M. Adamowski +795
This document presents the Conceptual Design Report (CDR) put forward by an international neutrino community to pursue the Deep Underground Neutrino Experiment at the Long-Baseline…
An improved measurement of the 2νββ half-life of Xe-136 with EXO-200
J. B. Albert, M. Auger, D. J. Auty +94
We report on an improved measurement of the 2νββ half-life of Xe-136 performed by EXO-200. The use of a large and homogeneous time projection chamber allows for the precise esti…
Long-Baseline Neutrino Facility (LBNF) and Deep Underground Neutrino Experiment (DUNE) Conceptual Design Report Volume 2: The Physics Program for DUNE at LBNF
DUNE Collaboration, R. Acciarri, M. A. Acero +796
The Physics Program for the Deep Underground Neutrino Experiment (DUNE) at the Fermilab Long-Baseline Neutrino Facility (LBNF) is described.
Xenon purity analysis for EXO-200 via mass spectrometry
A. Dobi, C. Hall, S. Slutsky +73
We describe purity measurements of the natural and enriched xenon stockpiles used by the EXO-200 double beta decay experiment based on a mass spectrometry technique. The sensitivit…
Comparison of νμ-Ar multiplicity distributions observed by MicroBooNE to GENIE model predictions
C. Adams, R. An, J. Anthony +162
We measure a large set of observables in inclusive charged current muon neutrino scattering on argon with the MicroBooNE liquid argon time projection chamber operating at Fermilab.…
First Measurement of Charged-Current Production on Argon with a LArTPC
MicroBooNE collaboration, C. Adams, M. Alrashed +172
We report the first measurement of the flux-integrated cross section of charged-current single production on argon. This measurement is performed with the MicroBoo…
First Axion Results from the XENON100 Experiment
The XENON100 Collaboration, E. Aprile, F. Agostini +87
We present the first results of searches for axions and axion-like-particles with the XENON100 experiment. The axion-electron coupling constant, , has been probed by exploi…
The DUNE Far Detector Interim Design Report Volume 1: Physics, Technology and Strategies
DUNE Collaboration, B. Abi, R. Acciarri +1092
The DUNE IDR describes the proposed physics program and technical designs of the DUNE Far Detector modules in preparation for the full TDR to be published in 2019. It is intended a…
A 4 tonne demonstrator for large-scale dual-phase liquid argon time projection chambers
B. Aimard, Ch. Alt, J. Asaadi +169
A 10 kilo-tonne dual-phase liquid argon TPC is one of the detector options considered for the Deep Underground Neutrino Experiment (DUNE). The detector technology relies on amplifi…
A Deep Neural Network for Pixel-Level Electromagnetic Particle Identification in the MicroBooNE Liquid Argon Time Projection Chamber
MicroBooNE collaboration, C. Adams, M. Alrashed +170
We have developed a convolutional neural network (CNN) that can make a pixel-level prediction of objects in image data recorded by a liquid argon time projection chamber (LArTPC) f…
Exclusion of Leptophilic Dark Matter Models using XENON100 Electronic Recoil Data
The XENON Collaboration, E. Aprile, F. Agostini +98
Laboratory experiments searching for galactic dark matter particles scattering off nuclei have so far not been able to establish a discovery. We use data from the XENON100 experime…
A xenon gas purity monitor for EXO
EXO Collaboration, A. Dobi, C. Hall +57
We discuss the design, operation, and calibration of two versions of a xenon gas purity monitor (GPM) developed for the EXO double beta decay program. The devices are sensitive to…
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…
Study of scintillation light collection, production and propagation in a 4 tonne dual-phase LArTPC
B. Aimard, L. Aizawa, C. Alt +160
The m demonstrator is a dual phase liquid argon time projection chamber that has recorded cosmic rays events in 2017 at CERN. The light signal in these de…
Measurement of cosmic-ray reconstruction efficiencies in the MicroBooNE LArTPC using a small external cosmic-ray counter
MicroBooNE collaboration, R. Acciarri, C. Adams +148
The MicroBooNE detector is a liquid argon time projection chamber at Fermilab designed to study short-baseline neutrino oscillations and neutrino-argon interaction cross-section. D…
Dark Matter Structures in the Universe: Prospects for Optical Astronomy in the Next Decade
P. J. Marshall, M. Auger, J. G. Bartlett +13
The Cold Dark Matter theory of gravitationally-driven hierarchical structure formation has earned its status as a paradigm by explaining the distribution of matter over large spans…
The DUNE Far Detector Interim Design Report, Volume 3: Dual-Phase Module
DUNE Collaboration, B. Abi, R. Acciarri +1092
The DUNE IDR describes the proposed physics program and technical designs of the DUNE far detector modules in preparation for the full TDR to be published in 2019. It is intended a…
A magnetically-driven piston pump for ultra-clean applications
F. LePort, R. Neilson, P. S. Barbeau +77
A magnetically driven piston pump for xenon gas recirculation is presented. The pump is designed to satisfy extreme purity and containment requirements, as is appropriate for the r…
Observation and Confirmation of Six Strong Lensing Systems in The Dark Energy Survey Science Verification Data
B. Nord, E. Buckley-Geer, H. Lin +89
We report the observation and confirmation of the first group- and cluster-scale strong gravitational lensing systems found in Dark Energy Survey (DES) data. Through visual inspect…
Long-Baseline Neutrino Facility (LBNF) and Deep Underground Neutrino Experiment (DUNE) Conceptual Design Report, Volume 4 The DUNE Detectors at LBNF
R. Acciarri, M. A. Acero, M. Adamowski +795
A description of the proposed detector(s) for DUNE at LBNF
A light readout system for gas TPCs
G. Giroux, M. Auger, D. Franco +6
A novel light detection scheme has been tested for use in medium-pressure gas TPCs, in view of rare events searches in low energy particle physics. It has the advantage of minimal…
Observation of Two-Neutrino Double-Beta Decay in Xe-136 with EXO-200
N. Ackerman, B. Aharmim, M. Auger +100
We report the observation of two-neutrino double-beta decay in Xe-136 with T_1/2 = 2.11 +- 0.04 (stat.) +- 0.21 (sys.) x 10^21 yr. This second order process, predicted by the Stand…
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…
The EXO-200 detector, part I: Detector design and construction
M. Auger, D. J. Auty, P. S. Barbeau +78
EXO-200 is an experiment designed to search for double beta decay of Xe with a single-phase, liquid xenon detector. It uses an active mass of 110 kg of xenon enriched to 80…
A method to suppress dielectric breakdowns in liquid argon ionization detectors for cathode to ground distances of several millimeters
M. Auger, A. Ereditato, D. Goeldi +7
We present a method to reach electric field intensity as high as 400 kV/cm in liquid argon for cathode-ground distances of several millimeters. This can be achieved by suppressing…
Michel Electron Reconstruction Using Cosmic-Ray Data from the MicroBooNE LArTPC
MicroBooNE collaboration, R. Acciarri, C. Adams +143
The MicroBooNE liquid argon time projection chamber (LArTPC) has been taking data at Fermilab since 2015 collecting, in addition to neutrino beam, cosmic-ray muons. Results are pre…
A system for online beam emittance measurements and proton beam characterization
K. P. Nesteruk, M. Auger, S. Braccini +3
A system for online measurement of the transverse beam emittance was developed. It is named PrOBaM (4-Profiler Online Beam Emittance Measurement) and was conceiv…
Discrimination of nuclear recoils from alpha particles with superheated liquids
F. Aubin, M. Auger, E. Behnke +26
The PICASSO collaboration observed for the first time a significant difference between the acoustic signals induced by neutrons and alpha particles in a detector based on superheat…
Convolutional Neural Networks Applied to Neutrino Events in a Liquid Argon Time Projection Chamber
MicroBooNE collaboration, R. Acciarri, C. Adams +136
We present several studies of convolutional neural networks applied to data coming from the MicroBooNE detector, a liquid argon time projection chamber (LArTPC). The algorithms stu…
Dark Matter Spin-Dependent Limits for WIMP Interactions on 19-F by PICASSO
S. Archambault, F. Aubin, M. Auger +29
The PICASSO experiment at SNOLAB reports new results for spin-dependent WIMP interactions on F using the superheated droplet technique. A new generation of detectors and new…
Eight new luminous z > 6 quasars selected via SED model fitting of VISTA, WISE and Dark Energy Survey Year 1 Observations
S. L. Reed, R. G. McMahon, P. Martini +60
We present the discovery and spectroscopic confirmation with the ESO NTT and Gemini South telescopes of eight new 6.0 < z < 6.5 quasars with z < 21.0. These quasars were pho…
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…
Conceptual design and simulation of a water Cherenkov muon veto for the XENON1T experiment
E. Aprile, F. Agostini, M. Alfonsi +88
XENON is a dark matter direct detection project, consisting of a time projection chamber (TPC) filled with liquid xenon as detection medium. The construction of the next generation…
New Insights into Particle Detection with Superheated Liquids
S. Archambault, F. Aubin, M. Auger +34
We report new results obtained in calibrations of superheated liquid droplet detectors used in dark matter searches with different radiation sources (n,,). In particular, d…
Design and Construction of the MicroBooNE Detector
MicroBooNE Collaboration, R. Acciarri, C. Adams +237
This paper describes the design and construction of the MicroBooNE liquid argon time projection chamber and associated systems. MicroBooNE is the first phase of the Short Baseline…
4MOST: Project overview and information for the First Call for Proposals
R. S. de Jong, O. Agertz, A. Agudo Berbel +335
We introduce the 4-metre Multi-Object Spectroscopic Telescope (4MOST), a new high-multiplex, wide-field spectroscopic survey facility under development for the four-metre-class Vis…
The Single-Phase ProtoDUNE Technical Design Report
B. Abi, R. Acciarri, M. A. Acero +824
ProtoDUNE-SP is the single-phase DUNE Far Detector prototype that is under construction and will be operated at the CERN Neutrino Platform (NP) starting in 2018. ProtoDUNE-SP, a cr…
The STRong lensing Insights into the Dark Energy Survey (STRIDES) 2016 follow-up campaign. II. New quasar lenses from double component fitting
T. Anguita, P. L. Schechter, N. Kuropatkin +56
We report upon the follow up of 34 candidate lensed quasars found in the Dark Energy Survey using NTT-EFOSC, Magellan-IMACS, KECK-ESI and SOAR-SAMI. These candidates were selected…
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…
Lowering the radioactivity of the photomultiplier tubes for the XENON1T dark matter experiment
E. Aprile, F. Agostini, M. Alfonsi +95
The low-background, VUV-sensitive 3-inch diameter photomultiplier tube R11410 has been developed by Hamamatsu for dark matter direct detection experiments using liquid xenon as the…