Snowmass2021 Cosmic Frontier: The landscape of low-threshold dark matter direct detection in the next decade

Understand

The search for particle-like dark matter with meV-to-GeV masses has developed rapidly in the past few years.

• We summarize the science case for these searches, the recent progress, and the exciting upcoming opportunities.
• Funding for Research and Development and a portfolio of small dark matter projects will allow the community to capitalize on the substantial recent advances in theory and experiment and probe vast regions of unexplored dark-matter parameter space in the coming decade.