Publications (48)
The COHERENT Experimental Program
D. Akimov, S. Alawabdeh, P. An +128
The COHERENT experiment located in Neutrino Alley at the Spallation Neutron Source (SNS), Oak Ridge National Laboratory (ORNL), has made the world's first two measurements of coher…
COHERENT Collaboration data release from the measurements of CsI[Na] response to nuclear recoils
D. Akimov, P. An, C. Awe +75
Description of the data release 10.13139/OLCF/1969085 (https://doi.ccs.ornl.gov/ui/doi/426) from the measurements of the CsI[Na] response to low energy nuclear recoils by the COHER…
Quenching factor measurements of neon nuclei in neon gas
L. Balogh, C. Beaufort, A. Brossard +47
The NEWS-G collaboration uses Spherical Proportional Counters (SPCs) to search for weakly interacting massive particles (WIMPs). In this paper, we report the first measurements of…
LEGEND-1000 Preconceptual Design Report
LEGEND Collaboration, N. Abgrall, I. Abt +261
We propose the construction of LEGEND-1000, the ton-scale Large Enriched Germanium Experiment for Neutrinoless Decay. This international experiment is designed to answer one…
First Measurement of Coherent Elastic Neutrino-Nucleus Scattering on Argon
COHERENT Collaboration, D. Akimov, J. B. Albert +80
We report the first measurement of coherent elastic neutrino-nucleus scattering (\cevns) on argon using a liquid argon detector at the Oak Ridge National Laboratory Spallation Neut…
Development of a Kr source for the calibration of the CENNS-10 Liquid Argon Detector
COHERENT Collaboration, D. Akimov, P. An +77
We report on the preparation of and calibration measurements with a Kr source for the CENNS-10 liquid argon detector. Kr atoms generated in the de…
A deep dive: Chandra observations of the NGC 4839 group falling into the Coma cluster
M. S. Mirakhor, S. A. Walker, J. Runge
Cosmological simulations of structure formation predict that galaxy clusters continue to grow and evolve through ongoing mergers with group-scale systems. During these merging even…
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…
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 b…
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.…
A DO detector for flux normalization of a pion decay-at-rest neutrino source
COHERENT Collaboration, D. Akimov, P. An +76
We report on the technical design and expected performance of a 592 kg heavy-water-Cherenkov detector to measure the absolute neutrino flux from the pion-decay-at-rest neutrino sou…
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…
Monitoring the SNS basement neutron background with the MARS detector
COHERENT Collaboration, D. Akimov, P. An +75
We present the analysis and results of the first dataset collected with the MARS neutron detector deployed at the Oak Ridge National Laboratory Spallation Neutron Source (SNS) for…
Sensitivity to low-mass WIMPs with an improved liquid argon ionization response model within the DarkSide programme
F. Acerbi, P. Adhikari, P. Agnes +294
Dark matter detection experiments using liquid argon rely on a precise characterization of the ionization response to nuclear recoils, especially in the keV energy range relevant f…
A COHERENT constraint on leptophobic dark matter using CsI data
COHERENT Collaboration, D. Akimov, P. An +78
We use data from the COHERENT CsI[Na] scintillation detector to constrain sub-GeV leptophobic dark matter models. This detector was built to observe low-energy nuclear recoils from…
First measurement of the nuclear-recoil ionization yield in silicon at 100 eV
M. F. Albakry, I. Alkhatib, D. Alonso +137
We measured the nuclear--recoil ionization yield in silicon with a cryogenic phonon-sensitive gram-scale detector. Neutrons from a mono-energetic beam scatter off of the silicon nu…
Measurement of the Coherent Elastic Neutrino-Nucleus Scattering Cross Section on CsI by COHERENT
D. Akimov, P. An, C. Awe +73
We measured the cross section of coherent elastic neutrino-nucleus scattering (\cevns{}) using a CsI[Na] scintillating crystal in a high flux of neutrinos produced at the Spallatio…
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^-)\…
First Probe of Sub-GeV Dark Matter Beyond the Cosmological Expectation with the COHERENT CsI Detector at the SNS
D. Akimov, P. An, C. Awe +73
The COHERENT collaboration searched for scalar dark matter particles produced at the Spallation Neutron Source with masses between 1 and 220~MeV/c using a CsI[Na] scintillation…
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 COHERENT Experiment: 2026 Update
M. Adhikari, M. Ahn, D. Amaya Matamoros +107
The COHERENT experiment measures neutrino-induced recoils from coherent elastic neutrino-nucleus scattering (CEvNS) with multiple nuclear targets at the Spallation Neutron Source (…
Flow and thermal modelling of the argon volume in the DarkSide-20k TPC
20k Collaboration, F. Acerbi, P. Adhikari +300
The DarkSide-20k dark matter experiment, currently under construction at LNGS, features a dual-phase time projection chamber (TPC) with a ~50 t argon target from an underground wel…
Measurement of scintillation response of CsI[Na] to low-energy nuclear recoils by COHERENT
D. Akimov, P. An, C. Awe +74
We present results of several measurements of CsI[Na] scintillation response to 3-60 keV energy nuclear recoils performed by the COHERENT collaboration using tagged neutron elastic…
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…
First Constraint on Coherent Elastic Neutrino-Nucleus Scattering in Argon
COHERENT Collaboration, D. Akimov, J. B. Albert +77
Coherent elastic neutrino-nucleus scattering (CEvNS) is the dominant neutrino scattering channel for neutrinos of energy MeV. We report a limit for this process using d…
Simulating the neutrino flux from the Spallation Neutron Source for the COHERENT experiment
COHERENT Collaboration, D. Akimov, P. An +80
The Spallation Neutron Source (SNS) at Oak Ridge National Laboratory is a pulsed source of neutrons and, as a byproduct of this operation, an intense source of pulsed neutrinos via…
A detailed study of the bridge of excess X-ray emission between the galaxy clusters Abell 2029 and Abell 2033
M. S. Mirakhor, S. A. Walker, J. Runge
We examine Suzaku, XMM-Newton, and Chandra observations of the Abell 2029/2033 system to investigate the nature of a bridge of X-ray emission joining the two galaxy clusters. By mo…
Measurement of Pb(,X) production with a stopped-pion neutrino source
COHERENT Collaboration, P. An, C. Awe +84
Using neutrinos produced at the Spallation Neutron Source (SNS) at Oak Ridge National Laboratory (ORNL), the COHERENT collaboration has studied the Pb(,X) process with a l…
The unusually high dark matter concentration of the galaxy group NGC 1600
J. Runge, S. A. Walker, M. S. Mirakhor
We investigate the properties of the dark matter (DM) halo surrounding the nearby galaxy group NGC 1600. Through the use of deep (252 ks) Chandra observations and 64.3 ks of XMM-Ne…
Quenching factors for Na recoils as a function of Tl dopant concentrations in NaI(Tl) crystals
G. Angloher, M. R. Bharadwaj, A. Böhmer +51
Thallium-doped sodium iodide (NaI(Tl)) scintillation detectors play an important role in the field of direct dark matter (DM) searches. The DAMA/LIBRA experiment stands out for its…
Production, Quality Assurance and Quality Control of the SiPM Tiles for the DarkSide-20k Time Projection Chamber
F. Acerbi, P. Adhikari, P. Agnes +301
The DarkSide-20k dark matter direct detection experiment will employ a 21 m^2 silicon photomultiplier (SiPM) array, instrumenting a dual-phase 50 tonnes liquid argon Time Projectio…
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 lear…
COHERENT Collaboration data release from the first detection of coherent elastic neutrino-nucleus scattering on argon
COHERENT Collaboration, D. Akimov, J. B. Albert +80
Release of COHERENT collaboration data from the first detection of coherent elastic neutrino-nucleus scattering (CEvNS) on argon. This release corresponds with the results of "Anal…
First Results on the Search for Lepton Number Violating Neutrinoless Double Beta Decay with the LEGEND-200 Experiment
H. Acharya, N. Ackermann, M. Agostini +256
The LEGEND collaboration is searching for neutrinoless double beta () decay by operating high-purity germanium detectors enriched in Ge in a low-background liquid a…
Measurement of the Electron-Neutrino Charged-Current Cross Sections on I with the COHERENT NaIE detector
P. An, C. Awe, P. S. Barbeau +86
Using an 185-kg NaI[Tl] array, COHERENT has measured the inclusive electron-neutrino charged-current cross section on I with pion decay-at-rest neutrinos produced by the…
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…
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…
Sensitivity of the COHERENT Experiment to Accelerator-Produced Dark Matter
COHERENT Collaboration, D. Akimov, P. An +75
The COHERENT experiment is well poised to test sub-GeV dark matter models using low-energy recoil detectors sensitive to coherent elastic neutrino-nucleus scattering (CEvNS) in the…
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 () d…
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…
Measurement of coherent elastic neutrino nucleus scattering on germanium by COHERENT
M. Adhikari, M. Ahn, D. Amaya Matamoros +103
The COHERENT collaboration reports the most precise measurement of the coherent elastic neutrino-nucleus scattering cross section to date. This measurement was performed with COHER…
Possible non-thermal origin of the hard X-ray emission in the merging galaxy cluster SPT-CL J2031-4037
M. S. Mirakhor, S. A. Walker, J. Runge +1
Non-thermal emission from clusters of galaxies at the high-energy X-ray regime has been searched with various instruments, but the detection significance of this emission has yet b…
Evidence of Coherent Elastic Neutrino-Nucleus Scattering with COHERENT's Germanium Array
S. Adamski, M. Ahn, P. S. Barbeau +85
We report the first detection of coherent elastic neutrino-nucleus scattering (CEvNS) on natural germanium, measured at the Spallation Neutron Source at Oak Ridge National Laborato…
Probing within the Bondi radius of the ultramassive black hole in NGC 1600
J. Runge, S. A. Walker
We present deep (250 ks) Chandra observations of the nearby galaxy group NGC 1600, which has at its centre an ultramassive black hole (171.5 billion M). The exceptio…
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…
The Infati Data
C. S. Jensen, H. Lahrmann, S. Pakalnis +1
The ability to perform meaningful empirical studies is of essence in research in spatio-temporal query processing. Such studies are often necessary to gain detailed insight into th…
Quenching Factor consistency across several NaI(Tl) crystals
D. Cintas, P. An, C. Awe +11
Testing the DAMA/LIBRA annual modulation result independently of dark matter particle and halo models has been a challenge for twenty years. Using the same target material, NaI(Tl)…
Accessing new physics with an undoped, cryogenic CsI CEvNS detector for COHERENT at the SNS
P. S. Barbeau, V. Belov, I. Bernardi +77
We consider the potential for a 10-kg undoped cryogenic CsI detector operating at the Spallation Neutron Source to measure coherent elastic neutrino-nucleus scattering and its sens…