Journal
PHYSICAL REVIEW D
Volume 102, Issue 8, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.102.082001
Keywords
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Funding
- Natural Sciences and Engineering Research Council of Canada
- Canadian Foundation for Innovation (CFI)
- Ontario Ministry of Research and Innovation (MRI)
- Alberta Advanced Education and Technology (ASRIP)
- Queen's University
- Canada First Research Excellence Fund
- Arthur B. McDonald Canadian Astroparticle Physics Research Institute, Atomic Energy of Canada Limited's Federal Nuclear Science and Technology Work Plan
- Canadian Nuclear Laboratories, DGAPA-UNAM [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]
- Russian Science Foundation [16-12-10369]
- Leverhulme Trust [ECF-20130496]
- Spanish Ministry of Science, Innovation and Universities [FPA2017-82647-P, MDM-2015-0509, MAB/2018/7]
- Foundation for Polish Science (FNP) from the European Regional Development Fund
- STFC
- SNOLAB
- CFI
- Province of Ontario MRI
- Vale
- work of shipping the acrylic vessel underground
- Centre for Advanced Computing at Queen's University
- STFC [ST/R002908/1, ST/S000844/1, ST/S000798/1, ST/K002570/1] Funding Source: UKRI
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DEAP-3600 is a single-phase liquid argon detector aiming to directly detect weakly interacting massive particles (WIMPs), located at SNOLAB (Sudbury, Canada). After analyzing data taken during the first year of operation, a null result was used to place an upper bound on the WIMP-nucleon, spin-independent, isoscalar cross section. This study reinterprets this result within a nonrelativistic effective field theory framework and further examines how various possible substructures in the local dark matter halo may affect these constraints. Such substructures are hinted at by kinematic structures in the local stellar distribution observed by the Gaia satellite and other recent astronomical surveys. These include the Gaia Sausage (or Enceladus), as well as a number of distinct streams identified in recent studies. Limits are presented for the coupling strength of the effective contact interaction operators O-1, O-3, O-5, O-8, and O-11, considering isoscalar, isovector, and xenonphobic scenarios, as well as the specific operators corresponding to millicharge, magnetic dipole, electric dipole, and anapole interactions. The effects of halo substructures on each of these operators are explored as well, showing that the O-5 and O-8 operators are particularly sensitive to the velocity distribution, even at dark matter masses above 100 GeV/c(2).
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