Journal
PHYSICAL REVIEW LETTERS
Volume 128, Issue 1, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.128.011801
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Funding
- National Research Council Canada
- DGAPA-UNAM (PAPIIT) [IN108020]
- Consejo Nacional de Ciencia y Tecnologia (CONACyT, Mexico) [A1-S-8960]
- European Research Council [ERC StG 279980]
- U.K. Science and Technology Facilities Council (STFC) [ST/K002570/1, ST/R002908/1]
- Leverhulme Trust [ECF-20130496]
- Russian Science Foundation [21-72-10065]
- Spanish Ministry of Science and Innovation [PID2019109374GB-I00]
- Foundation for Polish Science (FNP) from the European Regional Development Fund [MAB/2018/7]
- Rutherford Appleton Laboratory Particle Physics Division
- CFI
- Province of Ontario MRI
- Canada First Research Excellence Fund
- STFC
- SEPNet Ph.D.
- Russian Science Foundation [21-72-10065] Funding Source: Russian Science Foundation
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Analysis of data collected with DEAP-3600 did not detect signals of supermassive dark matter, setting the first direct detection constraints on Planck-scale mass dark matter. These results constrain dark matter masses and Ar-10-scattering cross sections within certain ranges.
Dark matter with Planck-scale mass (similar or equal to 10(19) GeV/c(2)) arises in well-motivated theories and could be produced by several cosmological mechanisms. A search for multiscatter signals from supermassive dark matter was performed with a blind analysis of data collected over a 813 d live time with DEAP-3600, a 3.3 t single-phase liquid argon-based detector at SNOLAB. No candidate signals were observed, leading to the first direct detection constraints on Planck-scale mass dark matter. Leading limits constrain dark matter masses between 8.3 x 10(6) and 1.2 x 10(19) GeV/c(2), and Ar-10-scattering cross sections between 1.0 x 10(-23) and 2.4 x 10(-18) cm(2). These results are interpreted as constraints on composite dark matter models with two different nucleon-to-nuclear cross section scalings.
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