HEPTopic

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

3 problems