Linked from
The 16 pages that link to Baryon asymmetry, each with the reason it gives.
CosmologyRelated: Known particle physics does not yet explain the cosmic matter excess.
BaryogenesisBroader topic: It is the quantity baryogenesis must produce and explain.
AntimatterRelated: It states the central cosmological puzzle: why ordinary matter dominates.
Baryonic matterRelated: The surviving baryonic universe depends on this imbalance.
LeptogenesisRelated: Leptogenesis aims to explain this matter–antimatter imbalance indirectly.
Sakharov conditionsRelated: This unexplained imbalance motivated Sakharov's conditions.
B − LRelated: Its origin may depend on creating a nonzero B − L asymmetry.