Abstract
I suggest that the dominance of matter over antimatter in the present universe is a consequence of baryon-number-nonconserving reactions in the very early fireball. Unified guage theories of weak, electromagnetic, and strong interactions provide a basis for such a conjecture and a computation in specific SU(5) models gives a small ratio of baryon- to photon-number density in rough agreement with observation.
Keywords
PhysicsBaryonBaryon numberUniverseTheoretical physicsParticle physicsAntimatterConjectureGauge theoryQuantum mechanicsLeptonElectron
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Publication Info
- Year
- 1978
- Type
- article
- Volume
- 41
- Issue
- 5
- Pages
- 281-284
- Citations
- 520
- Access
- Closed
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Cite This
M. Yoshimura
(1978).
Unified Gauge Theories and the Baryon Number of the Universe.
Physical Review Letters
, 41
(5)
, 281-284.
https://doi.org/10.1103/physrevlett.41.281
Identifiers
- DOI
- 10.1103/physrevlett.41.281