Many particles hypothesized in searches for new physics are theorized to interact feebly with matter.
Notes on verification
Well-corroborated by physics literature including arXiv briefing papers, peer-reviewed journals, and independent encyclopedic sources describing 'Feebly Interacting Particles' as a recognized class in new physics searches. [tier=silver indep_score=0.77 clusters=2 claim_tier=notable]
Sources
- Beam dump experiment (wikipedia)
- https://arxiv.org/pdf/2011.02157 (corroboration)
- https://arxiv.org/pdf/1910.11775 (corroboration)
- https://link.springer.com/article/10.1140/epjc/s10052-023-12168-5 (corroboration)