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. ; Bhattacharyya, R. ; Binder, T. ; Bowles, M. A. ; Brink, P. L. ; Bunker, R. ; Cabrera, B. ; Calkins, R. ; Cameron, R. A. ; Cartaro, C. ; Cerdeño, D. G. ; Chang, Y.-Y. ; Chen, R. ; Chott, N. ; Cooley, J. ; Coombes, H. ; Corbett, J. ; Cushman, P. ; De Brienne, F. ; di Vacri, M. L. ; Diamond, M. D. ; Fascione, E. ; Figueroa-Feliciano, E. ; Fink, C. W. ; Fouts, K. ; Fritts, M. ; Gerbier, G. ; Germond, R. ; Ghaith, M. ; Golwala, S. R. ; Harris, H. R. ; Herbert, N. ; Hines, B. A. ; Hollister, M. I. ; Hong, Z. ; Hoppe, E. W. ; Hsu, L. ; Huber, M. E. ; Iyer, V. ; Jardin, D. ; Jastram, A. ; Kelsey, M. H. ; Kubik, A. ; Kurinsky, N. A. ; Lawrence, R. E. ; Li, A. ; Loer, B. ; Lopez Asamar, E. ; Lukens, P. ; MacDonell, D. ; MacFarlane, D. B. ; Mahapatra, R. ; Mandic, V. ; Mast, N. ; Mayer, A. J. ; Michaud, É. M. ; Michielin, E. ; Mirabolfathi, N. ; Mohanty, B. ; Morales Mendoza, J. D. ; Nagorny, S. ; Nelson, J. ; Neog, H. ; Novati, V. ; Orrell, J. L. ; Oser, S. M. ; Page, W. A. ; Pakarha, P. ; Partridge, R. ; Podviianiuk, R. ; Ponce, F. ; Poudel, S. ; Pyle, M. ; Rau, W. ; Reid, E. ; Ren, R. ; Reynolds, T. ; Roberts, A. ; Robinson, A. E. ; Rogers, H. E. ; Saab, T. ; Sadoulet, B. ; Sander, J. ; Sattari, A. ; Schnee, R. W. ; Scorza, S. ; Serfass, B. ; Sincavage, D. J. ; Stanford, C. ; Stein, M. ; Street, J. ; Toback, D. ; Underwood, R. ; Verma, S. ; Villano, A. N. ; von Krosigk, B. ; Watkins, S. L. ; Wills, L. ; Wilson, J. S. ; Wilson, M. J. ; Winchell, J. ; Wright, D. H. ; Yellin, S. ; Young, B. A. ; Yu, T. C. ; Zhang, E. ; Zhang, H. G. ; Zhao, X. ; Zheng, L. (2020) Constraints on low-mass, relic dark matter candidates from a surface-operated SuperCDMS single-charge sensitive detector Physical Review D: Particles, Fields, Gravitation, and Cosmology, 102 (9). ISSN 2470-0010
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Official URL: http://doi.org/10.1103/PhysRevD.102.091101
Related URL: http://dx.doi.org/10.1103/PhysRevD.102.091101
Abstract
This article presents an analysis and the resulting limits on light dark matter inelastically scattering off of electrons, and on dark photon and axionlike particle absorption, using a second-generation SuperCDMS high-voltage eV-resolution detector. The 0.93 g Si detector achieved a 3 eV phonon energy resolution; for a detector bias of 100 V, this corresponds to a charge resolution of 3% of a single electron-hole pair. The energy spectrum is reported from a blind analysis with 1.2 g-days of exposure acquired in an above-ground laboratory. With charge carrier trapping and impact ionization effects incorporated into the dark matter signal models, the dark matter-electron cross section ¯σe is constrained for dark matter masses from 0.5 to 104 MeV/c2; in the mass range from 1.2 to 50 eV/cthe dark photon kinetic mixing parameter ϵ and the axioelectric coupling constant gae are constrained. The minimum 90% confidence-level upper limits within the above-mentioned mass ranges are ¯σe=8.7×10−34 cm2, ϵ=3.3×10−14, and gae=1.0×10−9.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 125239 |
| Deposited On: | 27 Jan 2022 12:21 |
| Last Modified: | 27 Jan 2022 12:21 |
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