Light Dark Matter Constraints from SuperCDMS HVeV Detectors Operated Underground with an Anticoincidence Event Selection
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/, as well as upper limits on dark photon kinetic mixing and axion-like particle axioelectric coupling for masses between 1.2 and 23.3 eV/. 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.
Cite
@article{arxiv.2407.08085,
title = {Light Dark Matter Constraints from SuperCDMS HVeV Detectors Operated Underground with an Anticoincidence Event Selection},
author = {SuperCDMS Collaboration and M. F. Albakry and I. Alkhatib and D. Alonso-González and D. W. P. Amaral and J. Anczarski and T. Aralis and T. Aramaki and I. J. Arnquist and I. Ataee Langroudy and E. Azadbakht and C. Bathurst and R. Bhattacharyya and A. J. Biffl and P. L. Brink and M. Buchanan and R. Bunker and B. Cabrera and R. Calkins and R. A. Cameron and C. Cartaro and D. G. Cerdeño and Y. -Y. Chang and M. Chaudhuri and J. -H. Chen and R. Chen and N. Chott and J. Cooley and H. Coombes and P. Cushman and R. Cyna and S. Das and F. De Brienne and S. Dharani and M. L. di Vacri and M. D. Diamond and M. Elwan and E. Fascione and E. Figueroa-Feliciano and K. Fouts and M. Fritts and R. Germond and M. Ghaith and S. R. Golwala and J. Hall and S. A. S. Harms and K. Harris and N. Hassan and Z. Hong and E. W. Hoppe and L. Hsu and M. E. Huber and V. Iyer and D. Jardin and V. K. S. Kashyap and S. T. D. Keller and M. H. Kelsey and K. T. Kennard and A. Kubik and N. A. Kurinsky and M. Lee and J. Leyva and J. Liu and Y. Liu and B. Loer and E. Lopez Asamar and P. Lukens and D. B. MacFarlane and R. Mahapatra and J. S. Mammo and N. Mast and A. J. Mayer and H. Meyer zu Theenhausen and É. Michaud and E. Michielin and N. Mirabolfathi and M. Mirzakhani and B. Mohanty and D. Monteiro and J. Nelson and H. Neog and V. Novati and J. L. Orrell and M. D. Osborne and S. M. Oser and L. Pandey and S. Pandey and R. Partridge and D. S. Pedreros and W. Peng and L. Perna and W. L. Perry and R. Podviianiuk and S. S. Poudel and A. Pradeep and M. Pyle and W. Rau and E. Reid and R. Ren and T. Reynolds and M. Rios and A. Roberts and A. E. Robinson and J. L. Ryan and T. Saab and D. Sadek and B. Sadoulet and S. P. Sahoo and I. Saikia and J. Sander and A. Sattari and B. Schmidt and R. W. Schnee and S. Scorza and B. Serfass and A. Simchony and D. J. Sincavage and P. Sinervo and J. Street and H. Sun and E. Tanner and G. D. Terry and D. Toback and S. Verma and A. N. Villano and B. von Krosigk and S. L. Watkins and O. Wen and Z. Williams and M. J. Wilson and J. Winchell and K. Wykoff and S. Yellin and B. A. Young and T. C. Yu and B. Zatschler and S. Zatschler and A. Zaytsev and E. Zhang and L. Zheng and A. Zuniga and M. J. Zurowski},
journal= {arXiv preprint arXiv:2407.08085},
year = {2025}
}
Comments
7 pages + title and references, 4 figures, and 1 table