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Title: First Dark Matter Constraints from a SuperCDMS Single-Charge Sensitive Detector

Journal Article · · Physical Review Letters

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-hole pairs (CDMS HVeV, a 0.93 g CDMS high-voltage device). These electron-recoil limits significantly improve experimental constraints on dark matter particles with masses as low as 1 MeV /c2. Here, we demonstrate a sensitivity to dark photons competitive with other leading approaches but using substantially less exposure (0.49 g d). These results demonstrate the scientific potential of phonon-mediated semiconductor detectors that are sensitive to single electronic excitations.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
Sponsoring Organization:
\; USDOE Office of Science (SC), High Energy Physics (HEP); USDOE
Contributing Organization:
SuperCDMS Collaboration
Grant/Contract Number:
SC0015657; AC02-07CH11359; AC05-76RL01830; AC02-76SF00515; AC02-05CH11231
OSTI ID:
1462788
Alternate ID(s):
OSTI ID: 1439463; OSTI ID: 1468696; OSTI ID: 1480804; OSTI ID: 1557121; OSTI ID: 1598292
Report Number(s):
FERMILAB-PUB-18-150-AE; arXiv:1804.10697; PNNL-SA-134526; PRLTAO; TRN: US2103262
Journal Information:
Physical Review Letters, Vol. 121, Issue 5; Related Information: The related document is an erratum to the product (https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.121.051301).; ISSN 0031-9007
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 150 works
Citation information provided by
Web of Science

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Diamond Detectors for Direct Detection of Sub-GeV Dark Matter text January 2019
Light Dark Matter at Neutrino Experiments text January 2019
Direct Detection of WIMP Dark Matter: Concepts and Status text January 2019
On the relation between Migdal effect and dark matter-electron scattering in isolated atoms and semiconductors text January 2019
The Migdal Effect and Photon Bremsstrahlung in effective field theories of dark matter direct detection and coherent elastic neutrino-nucleus scattering text January 2019
Modeling of Impact Ionization and Charge Trapping in SuperCDMS HVeV Detectors text January 2019
Light Dark Matter at Neutrino Experiments text January 2018
Light Dark Matter at Neutrino Experiments journal May 2019
(Not as) Big as a Barn: Upper Bounds on Dark Matter-Nucleus Cross Sections text January 2019
Twin Higgs model with strongly interacting massive particle dark matter text January 2018
SENSEI: First Direct-Detection Constraints on sub-GeV Dark Matter from a Surface Run text January 2018
Direct detection of WIMP dark matter: concepts and status journal August 2019
Modeling of Impact Ionization and Charge Trapping in SuperCDMS HVeV Detectors journal February 2020
Velocity Dependent Dark Matter Interactions in Single-Electron Resolution Semiconductor Detectors with Directional Sensitivity text January 2019
Dark compact objects: An extensive overview journal March 2019
Direct detection experiments at the neutrino dipole portal frontier journal April 2019
Directional Detection of Light Dark Matter with Polar Materials text January 2018
The Skipper CCD for low-energy threshold particle experiments above ground preprint January 2021


Figures / Tables (4)