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First Limits on Light Dark Matter Interactions in a Low Threshold Two-Channel Athermal Phonon Detector from the TESSERACT Collaboration

https://doi.org/10.1103/hsrl-crvf

Bui, T K; Chang, C L; Chang, Y-Y; Chaplinsky, L; Fink, C W; Garcia-Sciveres, M; Guo, W; Hertel, S A; Juigne, L; Kavner, A_R L; et al (October 2025, Physical Review Letters)

We present results of a search for spin-independent dark matter-nucleus interactions in a $1 {cm}^{2}$ by 1 mm thick (0.233 g) high-resolution silicon athermal phonon detector operated above ground. For interactions in the substrate, this detector achieves an rms baseline energy resolution of $361.5 (4) m eV$ (statistical error), the best for any athermal phonon detector to date. With an exposure of $0.233 g \times 12$ hours, we place the most stringent constraints on dark matter masses between 44 and $87 M eV / c^{2}$ , with the lowest unexplored cross section of $4 \times 10^{- 32} {c m}^{2}$ at $87 M eV / c^{2}$ . We employ a conservative salting technique to reach the lowest dark matter mass ever probed via direct detection experiment. This constraint is enabled by two-channel rejection of low energy backgrounds that are coupled to individual sensors.
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Free, publicly-accessible full text available October 1, 2026
Light dark matter constraints from SuperCDMS HVeV detectors operated underground with an anticoincidence event selection

https://doi.org/10.1103/PhysRevD.111.012006

Albakry, M F; Alkhatib, I; Alonso-González, D; Amaral, D_W P; Anczarski, J; Aralis, T; Aramaki, T; Arnquist, I J; Ataee_Langroudy, I; Azadbakht, E; et al (January 2025, Physical Review D)

This article presents constraints on dark-matter-electron interactions obtained from the first underground data-taking campaign with multiple SuperCDMS HVeV detectors operated in the same housing. An exposure of $7.63 g − days$ is used to set upper limits on the dark-matter-electron scattering cross section for dark matter masses between 0.5 and $1000 MeV / c^{2}$ , as well as upper limits on dark photon kinetic mixing and axionlike particle axioelectric coupling for masses between 1.2 and $23.3 eV / c^{2}$ . Compared to an earlier HVeV search, sensitivity was improved as a result of an increased overburden of 225 meters of water equivalent, an anticoincidence event selection, and better pile-up rejection. In the case of dark-matter-electron scattering via a heavy mediator, an improvement by up to a factor of 25 in cross section sensitivity was achieved. Published by the American Physical Society2025
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Free, publicly-accessible full text available January 1, 2026
First Measurement of the Nuclear-Recoil Ionization Yield in Silicon at 100 eV

https://doi.org/10.1103/PhysRevLett.131.091801

Albakry, M. F.; Alkhatib, I.; Alonso, D.; Amaral, D. W. P.; Aralis, T.; Aramaki, T.; Arnquist, I. J.; Ataee Langroudy, I.; Azadbakht, E.; Banik, S.; et al (August 2023, Physical Review Letters)
Search for low-mass dark matter via bremsstrahlung radiation and the Migdal effect in SuperCDMS

https://doi.org/10.1103/PhysRevD.107.112013

Albakry, M. F.; Alkhatib, I.; Alonso-González, D.; Amaral, D. W. P.; Aralis, T.; Aramaki, T.; Arnquist, I. J.; Ataee Langroudy, I.; Azadbakht, E.; Banik, S.; et al (June 2023, Physical Review D)

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Investigating the sources of low-energy events in a SuperCDMS-HVeV detector

https://doi.org/10.1103/PhysRevD.105.112006

Albakry, M. F.; Alkhatib, I.; Amaral, D. W. P.; Aralis, T.; Aramaki, T.; Arnquist, I. J.; Ataee Langroudy, I.; Azadbakht, E.; Banik, S.; Bathurst, C.; et al (June 2022, Physical Review D)

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Ionization yield measurement in a germanium CDMSlite detector using photo-neutron sources

https://doi.org/10.1103/PhysRevD.105.122002

Albakry, M. F.; Alkhatib, I.; Amaral, D. W. P.; Aralis, T.; Aramaki, T.; Arnquist, I. J.; Ataee Langroudy, I.; Azadbakht, E.; Banik, S.; Bathurst, C.; et al (June 2022, Physical Review D)

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Light Dark Matter Search with a High-Resolution Athermal Phonon Detector Operated above Ground

https://doi.org/10.1103/PhysRevLett.127.061801

Alkhatib, I.; Amaral, D. W. P.; Aralis, T.; Aramaki, T.; Arnquist, I. J.; Ataee Langroudy, I.; Azadbakht, E.; Banik, S.; Barker, D.; Bathurst, C.; et al (August 2021, Physical Review Letters)

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Constraints on Lightly Ionizing Particles from CDMSlite

https://doi.org/10.1103/PhysRevLett.127.081802

Alkhatib, I.; Amaral, D. W. P.; Aralis, T.; Aramaki, T.; Arnquist, I. J.; Ataee Langroudy, I.; Azadbakht, E.; Banik, S.; Barker, D.; Bathurst, C.; et al (August 2021, Physical Review Letters)

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Constraints on low-mass, relic dark matter candidates from a surface-operated SuperCDMS single-charge sensitive detector

https://doi.org/10.1103/PhysRevD.102.091101

Amaral, D. W.; Aralis, T.; Aramaki, T.; Arnquist, I. J.; Azadbakht, E.; Banik, S.; Barker, D.; Bathurst, C.; Bauer, D. A.; Bezerra, L. V. S.; et al (November 2020, Physical Review D)
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Constraints on dark photons and axionlike particles from the SuperCDMS Soudan experiment

https://doi.org/10.1103/PhysRevD.101.052008

Aralis, T.; Aramaki, T.; Arnquist, I. J.; Azadbakht, E.; Baker, W.; Banik, S.; Barker, D.; Bathurst, C.; Bauer, D. A.; Bezerra, L. V. S.; et al (March 2020, Physical Review D)

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