Publications (31)
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…
CDMSlite: A Search for Low-Mass WIMPs using Voltage-Assisted Calorimetric Ionization Detection in the SuperCDMS Experiment
R. Agnese, A. J. Anderson, M. Asai +77
SuperCDMS is an experiment designed to directly detect Weakly Interacting Massive Particles (WIMPs), a favored candidate for dark matter ubiquitous in the Universe. In this paper,…
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…
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…
Silicon detector results from the first five-tower run of CDMS II
CDMS Collaboration, R. Agnese, Z. Ahmed +87
We report results of a search for Weakly Interacting Massive Particles (WIMPs) with the Si detectors of the CDMS II experiment. This report describes a blind analysis of the first…
Improved WIMP-search reach of the CDMS II germanium data
R. Agnese, A. J. Anderson, M. Asai +86
CDMS II data from the 5-tower runs at the Soudan Underground Laboratory were reprocessed with an improved charge-pulse fitting algorithm. Two new analysis techniques to reject surf…
Search for annual modulation in low-energy CDMS-II data
CDMS Collaboration, Z. Ahmed, D. S. Akerib +64
We report limits on annual modulation of the low-energy event rate from the Cryogenic Dark Matter Search (CDMS II) experiment at the Soudan Underground Laboratory. Such a modulatio…
First direct limits on Lightly Ionizing Particles with electric charge less than
R. Agnese, A. J. Anderson, D. Balakishiyeva +82
While the Standard Model of particle physics does not include free particles with fractional charge, experimental searches have not ruled out their existence. We report results fro…
Data-Driven Modeling of Electron Recoil Nucleation in PICO CF Bubble Chambers
C. Amole, M. Ardid, I. J. Arnquist +76
The primary advantage of moderately superheated bubble chamber detectors is their simultaneous sensitivity to nuclear recoils from WIMP dark matter and insensitivity to electron re…
Improved dark matter search results from PICO-2L Run 2
C. Amole, M. Ardid, I. J. Arnquist +55
New data are reported from a second run of the 2-liter PICO-2L CF bubble chamber with a total exposure of 129kg-days at a thermodynamic threshold energy of 3.3keV.…
Absorption of Fermionic Dark Matter in the PICO-60 CF Bubble Chamber
E. Adams, B. Ali, R. Anderson-Dornan +58
Fermionic dark matter absorption on nuclear targets via neutral current interactions is explored using a non-relativistic effective field theory framework. An analysis of data from…
Dark matter effective field theory scattering in direct detection experiments
K. Schneck, B. Cabrera, D. G. Cerdeno +84
We examine the consequences of the effective field theory (EFT) of dark matter-nucleon scattering for current and proposed direct detection experiments. Exclusion limits on EFT cou…
Dark Matter Search Results from the Complete Exposure of the PICO-60 CF Bubble Chamber
C. Amole, M. Ardid, I. J. Arnquist +69
Final results are reported from operation of the PICO-60 CF dark matter detector, a bubble chamber filled with 52 kg of CF located in the SNOLAB underground laborat…
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…
Determining the bubble nucleation efficiency of low-energy nuclear recoils in superheated CF dark matter detectors
B. Ali, I. J. Arnquist, D. Baxter +54
The bubble nucleation efficiency of low-energy nuclear recoils in superheated liquids plays a crucial role in interpreting results from direct searches for weakly interacting massi…
Results on photon-mediated dark matter-nucleus interactions from the PICO-60 CF bubble chamber
B. Ali, I. J. Arnquist, D. Baxter +52
Many compelling models predict dark matter coupling to the electromagnetic current through higher multipole interactions, while remaining electrically neutral. Different multipole…
Developing a Bubble Chamber Particle Discriminator Using Semi-Supervised Learning
B. Matusch, C. Amole, M. Ardid +70
The identification of non-signal events is a major hurdle to overcome for bubble chamber dark matter experiments such as PICO-60. The current practice of manually developing a disc…
Velocity independent constraints on spin-dependent DM-nucleon interactions from IceCube and PICO
IceCube Collaboration, M. G. Aartsen, M. Ackermann +419
Adopting the Standard Halo Model (SHM) of an isotropic Maxwellian velocity distribution for dark matter (DM) particles in the Galaxy, the most stringent current constraints on thei…
Dark Matter Search Results from the PICO-60 CFI Bubble Chamber
C. Amole, M. Ardid, D. M. Asner +56
New data are reported from the operation of the PICO-60 dark matter detector, a bubble chamber filled with 36.8 kg of CFI and located in the SNOLAB underground laboratory. PICO…
Silicon Detector Dark Matter Results from the Final Exposure of CDMS II
CDMS Collaboration, R. Agnese, Z. Ahmed +88
We report results of a search for Weakly Interacting Massive Particles (WIMPS) with the silicon detectors of the CDMS II experiment. This blind analysis of 140.2 kg-days of data ta…
Search for inelastic dark matter-nucleus scattering with the PICO-60 CFI and CF bubble chambers
E. Adams, B. Ali, I. J. Arnquist +52
PICO bubble chambers have exceptional sensitivity to inelastic dark matter-nucleus interactions due to a combination of their extended nuclear recoil energy detection window from a…
Combined Limits on WIMPs from the CDMS and EDELWEISS Experiments
CDMS, EDELWEISS Collaborations, : +114
The CDMS and EDELWEISS collaborations have combined the results of their direct searches for dark matter using cryogenic germanium detectors. The total data set represents 614 kg.d…
Maximum Likelihood Analysis of Low Energy CDMS II Germanium Data
SuperCDMS Collaboration, R. Agnese, A. J. Anderson +84
We report on the results of a search for a Weakly Interacting Massive Particle (WIMP) signal in low-energy data of the Cryogenic Dark Matter Search (CDMS~II) experiment using a max…
Search for inelastic dark matter with the CDMS II experiment
CDMS Collaboration, Z. Ahmed, D. S. Akerib +63
Results are presented from a reanalysis of the entire five-tower data set acquired with the Cryogenic Dark Matter Search (CDMS II) experiment at the Soudan Underground Laboratory,…
Projected Sensitivity of the SuperCDMS SNOLAB experiment
R. Agnese, A. J. Anderson, T. Aramaki +93
SuperCDMS SNOLAB will be a next-generation experiment aimed at directly detecting low-mass (< 10 GeV/c) particles that may constitute dark matter by using cryogenic detectors o…
WIMP-Search Results from the Second CDMSlite Run
SuperCDMS Collaboration, R. Agnese, A. J. Anderson +87
The CDMS low ionization threshold experiment (CDMSlite) uses cryogenic germanium detectors operated at a relatively high bias voltage to amplify the phonon signal in the search for…
Search for Low-Mass WIMPs with SuperCDMS
R. Agnese, A. J. Anderson, M. Asai +92
We report a first search for weakly interacting massive particles (WIMPs) using the background rejection capabilities of SuperCDMS. An exposure of 577 kg-days was analyzed for WIMP…
Demonstration of Surface Electron Rejection with Interleaved Germanium Detectors for Dark Matter Searches
R. Agnese, A. J. Anderson, D. Balakishiyeva +88
The SuperCDMS experiment in the Soudan Underground Laboratory searches for dark matter with a 9-kg array of cryogenic germanium detectors. Symmetric sensors on opposite sides measu…
Dark Matter Search Results from the PICO-60 CF Bubble Chamber
C. Amole, M. Ardid, I. J. Arnquist +59
New results are reported from the operation of the PICO-60 dark matter detector, a bubble chamber filled with 52 kg of CF located in the SNOLAB underground laboratory. As i…
Results from a Low-Energy Analysis of the CDMS II Germanium Data
CDMS Collaboration, Z. Ahmed, D. S. Akerib +62
We report results from a reanalysis of data from the Cryogenic Dark Matter Search (CDMS II) experiment at the Soudan Underground Laboratory. Data taken between October 2006 and Sep…