Light dark matter constraints from SuperCDMS HVeV detectors operated underground with an anticoincidence event selection

M. F. Albakry, I. Alkhatib, D. Alonso-González, D. W.P. Amaral, J. Anczarski, T. Aralis, T. Aramaki, I. J. Arnquist, I. Ataee Langroudy, E. Azadbakht, C. Bathurst, R. Bhattacharyya, A. J. Biffl, P. L. Brink, M. Buchanan, R. Bunker, B. Cabrera, R. Calkins, R. A. Cameron, C. CartaroD. G. Cerdeño, Y. Y. Chang, M. Chaudhuri, J. H. Chen, R. Chen, N. Chott, J. Cooley, H. Coombes, Priscilla B Cushman, R. Cyna, S. Das, F. De Brienne, S. Dharani, M. L. Di Vacri, M. D. Diamond, M. Elwan, E. Fascione, E. Figueroa-Feliciano, K. Fouts, Matthew C Fritts, R. Germond, M. Ghaith, S. R. Golwala, J. Hall, S. A.S. Harms, K. Harris, N. Hassan, Z. Hong, E. W. Hoppe, L. Hsu, M. E. Huber, V. Iyer, D. Jardin, V. K.S. Kashyap, S. T.D. Keller, M. H. Kelsey, K. T. Kennard, A. Kubik, N. A. Kurinsky, M. Lee, J. Leyva, J. Liu, Y. Liu, B. Loer, E. Lopez Asamar, P. Lukens, D. B. Macfarlane, R. Mahapatra, J. S. Mammo, Nicholas G Mast, A. J. Mayer, H. Meyer Zu Theenhausen, Michaud, E. Michielin, N. Mirabolfathi, M. Mirzakhani, B. Mohanty, D. Monteiro, J. Nelson, Himangshu Neog, V. Novati, J. L. Orrell, M. D. Osborne, S. M. Oser, L. Pandey, S. Pandey, R. Partridge, D. S. Pedreros, W. Peng, L. Perna, W. L. Perry, R. Podviianiuk, S. S. Poudel, A. Pradeep, M. Pyle, W. Rau, E. Reid, R. Ren, T. Reynolds, M. Rios, A. Roberts, A. E. Robinson, J. L. Ryan, T. Saab, D. Sadek, B. Sadoulet, S. P. Sahoo, I. Saikia, J. Sander, A. Sattari, B. Schmidt, R. W. Schnee, S. Scorza, B. Serfass, A. Simchony, Derek J Sincavage, P. Sinervo, J. Street, H. Sun, E. Tanner, G. D. Terry, D. Toback, S. Verma, A. N. Villano, B. Von Krosigk, S. L. Watkins, O. Wen, Z. Williams, M. J. Wilson, J. Winchell, K. Wykoff, S. Yellin, B. A. Young, T. C. Yu, B. Zatschler, S. Zatschler, A. Zaytsev, E. Zhang, L. Zheng, A. Zuniga, M. J. Zurowski

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Abstract

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/c2, as well as upper limits on dark photon kinetic mixing and axionlike particle axioelectric coupling for masses between 1.2 and 23.3 eV/c2. 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.

Original languageEnglish (US)
Article number012006
JournalPhysical Review D
Volume111
Issue number1
DOIs
StatePublished - Jan 1 2025

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© 2025 authors. Published by the American Physical Society.

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