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Report of the Topical Group on Particle Dark Matter for Snowmass 2021
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This report summarizes the findings of the CF1 Topical Subgroup to Snowmass 2021, which was focused on particle dark matter. One of the most important scientific goals of the next decade is to reveal the nature of dark matter (DM). To accomplish this goal, we must delve deep, to cover high priority targets including weakly-interacting massive particles (WIMPs), and search wide, to explore as much motivated DM parameter space as possible. A diverse, continuous portfolio of experiments at large, medium, and small scales that includes both direct and indirect detection techniques maximizes the probability of discovering particle DM. Detailed calibrations and modeling of signal and background processes are required to make a convincing discovery. In the event that a candidate particle is found through different means, for example at a particle collider, the program described in this report is also essential to show that it is consistent with the actual cosmological DM. The US has a leading role in both direct and indirect detection dark matter experiments -- to maintain this leading role, it is imperative to continue funding major experiments and support a robust R\&D program.
Forward citations
Cited by 13 Pith papers
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Portal Matter Models of Kinetic Mixing with Two Light Dark Gauge Bosons
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Towards characterizing dark matter subhalo perturbations in stellar streams with graph neural networks
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Decaying scalar dark matter in the minimal left-right symmetric model
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Towards UV-Models of Kinetic Mixing and Portal Matter VII: A Light Dark Photon in the $3_c3_L1_A1_B$ Model
In the 3c3L1A1B model, a single larger gauge force unifies part of the weak force with a dark force, producing a light dark photon, multi-TeV portal matter, and new heavy gauge bosons with testable signatures.
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Searching for MeV-mass neutrinophilic Dark Matter with Large Scale Dark Matter Detectors
Xenon-based dark matter detectors, especially DARWIN, could detect neutrinos from MeV-mass dark matter that annihilates to the third neutrino mass eigenstate, with projected sensitivity competitive with Super-Kamiokande.
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2024 TASI Lectures: A Dark Matter Primer
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