Publications (26)
Low-Energy Calibration of SuperCDMS HVeV Cryogenic Silicon Calorimeters Using Compton Steps
SuperCDMS Collaboration, M. F. Albakry, I. Alkhatib +148
Cryogenic calorimeters for low-mass dark matter searches have achieved sub-eV energy resolutions, driving advances in both low-energy calibration techniques and our understanding o…
Multi-channel, multi-template event reconstruction for SuperCDMS data using machine learning
M. F. Albakry, I. Alkhatib, D. Alonso-Gonzalez +139
SuperCDMS SNOLAB uses kilogram-scale germanium and silicon detectors to search for dark matter. Each detector has Transition Edge Sensors (TESs) patterned on the top and bottom fac…
CENS Search with Cryogenic Sapphire Detectors at MINER: Results from the TRIGA reactor data and Future Sensitivity at HFIR
D. Mondal, W. Baker, M. Chaudhuri +20
We report on a search for coherent elastic neutrino--nucleus scattering (CENS) using cryogenic sapphire (AlO) detectors deployed at the Mitchell Institute Neutrino Expe…
Ionization yield measurement in a germanium CDMSlite detector using photo-neutron sources
SuperCDMS Collaboration, M. F. Albakry, I. Alkhatib +126
Two photo-neutron sources, YBe and SbBe, have been used to investigate the ionization yield of nuclear recoils in the CDMSlite germanium detectors by the…
First Dark Matter Search Results From Coherent CAPTAIN-Mills
A. A. Aguilar-Arevalo, S. Biedron, J. Boissevain +47
This paper describes the operation of the Coherent CAPTAIN-Mills (CCM) detector located at the Lujan Neutron Science Center (LANSCE) at Los Alamos National Laboratory (LANL). CCM i…
Light Dark Matter Constraints from SuperCDMS HVeV Detectors Operated Underground with an Anticoincidence Event Selection
SuperCDMS Collaboration, M. F. Albakry, I. Alkhatib +139
This article presents constraints on dark-matter-electron interactions obtained from the first underground data-taking campaign with multiple SuperCDMS HVeV detectors operated in t…
A Strategy for Low-Mass Dark Matter Searches with Cryogenic Detectors in the SuperCDMS SNOLAB Facility
SuperCDMS Collaboration, M. F. Albakry, I. Alkhatib +125
The SuperCDMS Collaboration is currently building SuperCDMS SNOLAB, a dark matter search focused on nucleon-coupled dark matter in the 1-5 GeV/c mass range. Looking to the futu…
EXCESS workshop: Descriptions of rising low-energy spectra
P. Adari, A. Aguilar-Arevalo, D. Amidei +303
Many low-threshold experiments observe sharply rising event rates of yet unknown origins below a few hundred eV, and larger than expected from known backgrounds. Due to the signifi…
Constraints on Lightly Ionizing Particles from CDMSlite
SuperCDMS Collaboration, I. Alkhatib, D. W. P. Amaral +115
The Cryogenic Dark Matter Search low ionization threshold experiment (CDMSlite) achieved efficient detection of very small recoil energies in its germanium target, resulting in sen…
Constraints on dark photons and axion-like particles from SuperCDMS Soudan
SuperCDMS Collaboration, T. Aralis, T. Aramaki +104
We present an analysis of electron recoils in cryogenic germanium detectors operated during the SuperCDMS Soudan experiment. The data are used to set new constraints on the axioele…
First Leptophobic Dark Matter Search from Coherent CAPTAIN-Mills
A. A. Aguilar-Arevalo, D. S. M. Alves, S. Biedron +48
We report the first results of a search for leptophobic dark matter (DM) from the Coherent CAPTAIN-Mills (CCM) liquid argon (LAr) detector. An engineering run with 120 photomultipl…
Large-mass, low-threshold sapphire detector for rare event searches
S. Verma, S. Maludze, M. Lee +12
Low mass nuclear recoil dark matter and coherent-elastic-neutrino-nucleus-scattering (CENNS) searches confront similar challenges in choosing ultra-low threshold and large-mass det…
Search for low-mass electron-recoil dark matter using a single-charge sensitive SuperCDMS-HVeV Detector
SuperCDMS Collaboration, M. F. Albakry, I. Alkhatib +146
We present constraints on low-mass dark matter electron scattering and absorption interactions using a SuperCDMS high-voltage eV-resolution (HVeV) detector. Data were taken undergr…
Effective Field Theory Analysis of CDMSlite Run 2 Data
SuperCDMS Collaboration, M. F. Albakry, I. Alkhatib +127
CDMSlite Run 2 was a search for weakly interacting massive particles (WIMPs) with a cryogenic 600 g Ge detector operated in a high-voltage mode to optimize sensitivity to WIMPs of…
Calibration and Performance of Germanium High Voltage Detectors for SuperCDMS SNOLAB
M. F. Albakry, I. Alkhatib, D. Alonso-González +140
As SuperCDMS SNOLAB is getting ready to search for low mass dark matter particles, using cryogenic Ge and Si detectors, a set of six of the new SuperCDMS High Voltage (HV) detector…
A Search for Low-mass Dark Matter via Bremsstrahlung Radiation and the Migdal Effect in SuperCDMS
M. F. Albakry, I. Alkhatib, D. Alonso +130
We present a new analysis of previously published of SuperCDMS data using a profile likelihood framework to search for sub-GeV dark matter (DM) particles through two inelastic scat…
Investigating the sources of low-energy events in a SuperCDMS-HVeV detector
SuperCDMS Collaboration, M. F. Albakry, I. Alkhatib +126
Recent experiments searching for sub-GeV/ dark matter have observed event excesses close to their respective energy thresholds. Although specific to the individual technologie…
Phonon-mediated High-voltage Detector with Background Rejection for Low-mass Dark Matter and Reactor Coherent Neutrino Scattering Experiments
H. Neog, R. Mahapatra, N. Mirabolfathi +6
We report the first demonstration of a phonon-mediated silicon detector technology that provides a primary phonon measurement in a low-voltage region, and a simultaneous indirect m…
MINER Reactor Based Search for Axion-Like Particles Using Sapphire (Al2O3) Detectors
M. Mirzakhani, W. Baker, M. Chaudhuri +20
The absence of definitive results for WIMP dark matter has sparked growing interest in alternative dark matter candidates, such as axions and Axion-Like Particles (ALPs), which als…
Constraints on low-mass, relic dark matter candidates from a surface-operated SuperCDMS single-charge sensitive detector
SuperCDMS Collaboration, D. W. Amaral, T. Aralis +116
This article presents an analysis and the resulting limits on light dark matter inelastically scattering off of electrons, and on dark photon and axion-like particle absorption, us…
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…
Light Dark Matter Search with a High-Resolution Athermal Phonon Detector Operated Above Ground
I. Alkhatib, D. W. P. Amaral, T. Aralis +121
We present limits on spin-independent dark matter-nucleon interactions using a Si athermal phonon detector with a baseline energy resolution of $Ï_E=3.86 \pm 0…
Search for Low-Mass Dark Matter with CDMSlite Using a Profile Likelihood Fit
SuperCDMS Collaboration, R. Agnese, T. Aralis +100
The Cryogenic Dark Matter Search low ionization threshold experiment (CDMSlite) searches for interactions between dark matter particles and germanium nuclei in cryogenic detectors.…
A novel active veto prototype detector with an inner target for improved rare event searches
M. Chaudhuri, A. Jastram, G. Agnolet +13
We report the fabrication and performance of an annular, cryogenic, phonon-mediated veto detector that can host an inner target detector, allowing substantial reduction in radiogen…
Exploring Low Energy Excess in MINER with sapphire detectors using Convolutional Variational Autoencoder (CVAE)
D. Mondal, W. Baker, M. Chaudhuri +19
As cryogenic detectors push toward ever-lower energy thresholds, their sensitivity is increasingly constrained by a persistent low-energy background known as the low-energy excess…
Large-mass single-electron-resolution detector for dark matter and neutrino elastic interaction searches
V. Iyer, N. Mirabolfathi, G. Agnolet +10
Large mass single-electron-resolution solid state detectors are desirable to search for low mass dark matter candidates and to measure coherent elastic neutrino nucleus scattering…