Origin of the matter-antimatter asymmetry
The Big Bang should have made equal amounts of matter and antimatter, yet the universe contains almost only matter. The SM cannot produce the observed excess.
Why it matters
The existence of matter requires physics beyond the SM, of a kind that may be testable.
Review
D. Bodeker, W. Buchmuller, Baryogenesis from the weak scale to the grand unification scale, Reviews of Modern Physics, 2021. https://arxiv.org/abs/2009.07294 reference checked
Proof
- Signed record
- c54812d3b8f0…
- Public log
- Entry 238, in checkpoint 2,123
- Bitcoin date
- Block 969,698, 2026-10-03