814 citations · 3.8k across the 41 of their papers we have counts for
42 papers
Design of a mission to measure the shape and substructure of the 511 keV gamma-ray line from the center of the Milky Way
Kun Hu, Matthew Fritts, Daniel Becker +23
The 511 keV electron-positron annihilation feature near the galactic center has been detected for more than half a century, yet its origin remains a mystery. In this paper, we desc…
The Making of a Community Dark Matter Dataset with the National Science Data Fabric
Amy Roberts, Jack Marquez, Kin Hong NG +9
Dark matter is believed to constitute approximately 85 percent of the universes matter, yet its fundamental nature remains elusive. Direct detection experiments, though globally de…
Exploring Charge Transport Dynamics in a Cryogenic P-Type Germanium Detector
P. Acharya, M. Fritts, D. -M. Mei +3
This study explores the dynamics of charge transport within a cryogenic P-type Ge particle detector, fabricated from a crystal cultivated at the University of South Dakota (USD). B…
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…
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…
Observation of Time-Dependent Internal Charge Amplification in a Planar Germanium Detector at Cryogenic Temperature
P. Acharya, M. Fritts, D. -M. Mei +4
For the first time, time-dependent internal charge amplification through impact ionization has been observed in a planar germanium (Ge) detector operated at cryogenic temperature.…
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…
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…
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…
A Search for Low-mass Dark Matter via Bremsstrahlung Radiation and the Migdal Effect in SuperCDMS
SuperCDMS Collaboration, Musaab Al-Bakry, Imran Alkhatib +128
In this paper, we present a re-analysis of SuperCDMS data using a profile likelihood approach to search for sub-GeV dark matter particles (DM) through two inelastic scattering chan…
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 observation of isolated nuclear recoils following neutron capture for dark matter calibration
A. N. Villano, M. Fritts, N. Mast +4
Low-energy nuclear recoils (NRs) are hard to measure because they produce few e/h pairs in solids -- i.e. they have low "ionization yield". A silicon detector was exposed…
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…
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 $σ_E=3.86 \pm 0.…
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…
An In-Situ Movable Calibration Source for Cryogenic Particle Detectors
N. Mast, M. Fritts, D. Sincavage +2
A prototype device capable of moving a radioactive calibration source to multiple positions was operated at millikelvin temperatures using a modified commercial stepper motor. It w…
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…
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.…
Production Rate Measurement of Tritium and Other Cosmogenic Isotopes in Germanium with CDMSlite
SuperCDMS Collaboration, R. Agnese, T. Aralis +95
Future direct searches for low-mass dark matter particles with germanium detectors, such as SuperCDMS SNOLAB, are expected to be limited by backgrounds from radioactive isotopes ac…
Energy Loss Due to Defect Formation from Pb Recoils in SuperCDMS Germanium Detectors
Robert Agnese, Taylor Aralis, Tsuguo Aramaki +94
The Super Cryogenic Dark Matter Search experiment (SuperCDMS) at the Soudan Underground Laboratory studied energy loss associated with Frenkel defect formation in germanium crystal…
First Dark Matter Constraints from a SuperCDMS Single-Charge Sensitive Detector
SuperCDMS Collaboration, R. Agnese, T. Aralis +99
We present the first limits on inelastic electron-scattering dark matter and dark photon absorption using a prototype SuperCDMS detector having a charge resolution of 0.1 electron-…
Performance of the First 150 mm Diameter Cryogenic Silicon Ionization Detectors with Contact-Free Electrodes
N. Mast, A. Kennedy, H. Chagani +9
Cryogenic semiconductor detectors operated at temperatures below 100 mK are commonly used in particle physics experiments searching for dark matter. The largest such germanium and…
Nuclear-recoil energy scale in CDMS II silicon dark-matter detectors
R. Agnese, A. J. Anderson, T. Aramaki +106
The Cryogenic Dark Matter Search (CDMS II) experiment aims to detect dark matter particles that elastically scatter from nuclei in semiconductor detectors. The resulting nuclear-re…
Low-Mass Dark Matter Search with CDMSlite
SuperCDMS Collaboration, R. Agnese, A. J. Anderson +105
The SuperCDMS experiment is designed to directly detect weakly interacting massive particles (WIMPs) that may constitute the dark matter in our Galaxy. During its operation at the…