1. The theoretical process by which matter came to outnumber antimatter in the early universe, explaining why the universe is composed primarily of ordinary matter rather than being annihilated into radiation.
Usage: physics; cosmology; technical

Examples

• Baryogenesis remains one of the unsolved mysteries in particle physics and cosmology.
• Scientists study baryogenesis to understand why we observe matter rather than equal amounts of matter and antimatter.
• The conditions necessary for baryogenesis occurred in the first fractions of a second after the Big Bang.
• Various theoretical models attempt to explain the mechanisms of baryogenesis through CP violation.
• Understanding baryogenesis is crucial to explaining the asymmetry between matter and antimatter in the universe.