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Modeling and Characterization of TES-Based Detectors for the Ricochet Experiment

https://doi.org/10.1007/s10909-024-03087-0

Chen, R; Figueroa-Feliciano, E; Bratrud, G; Chang, C L; Chaplinsky, L; Cudmore, E; Van_De_Pontseele, W; Formaggio, J A; Harrington, P; Hertel, S A; et al (May 2024, Journal of Low Temperature Physics)

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Improved modeling of detector response effects in phonon-based crystal detectors used for dark matter searches

https://doi.org/10.1103/PhysRevD.109.112018

Wilson, M. J.; Zaytsev, A.; von_Krosigk, B.; Alkhatib, I.; Buchanan, M.; Chen, R.; Diamond, M. D.; Figueroa-Feliciano, E.; Harms, S. A. S.; Hong, Z.; et al (June 2024, Physical Review D)
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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