Baryon asymmetry refers to the imbalance between matter and antimatter in the universe. According to the Big Bang theory, matter and antimatter were created in equal amounts during the early stages of the universe. However, as the universe cooled and expanded, matter and antimatter collided and annihilated each other, leaving only a small amount of matter behind.

|| Matter-Antimatter Asymmetry Explained -- [ Ссылка ]

|| All about Antimatter - [ Ссылка ]

The problem is that we live in a universe that is dominated by matter, and there is very little antimatter to be found. This raises the question of why there is an asymmetry between matter and antimatter. If matter and antimatter were created in equal amounts, then they should have annihilated each other completely, leaving behind only radiation.

One possible explanation for the baryon asymmetry is through a process called baryogenesis, which involves the violation of the CP symmetry. The CP symmetry states that the laws of physics should be the same if particles were replaced by their antiparticles and left-right positions were flipped. However, in some cases, this symmetry is violated, and this could lead to a small excess of matter over antimatter.

Another possible explanation is through the existence of hypothetical particles called sphalerons, which can convert baryons (particles like protons and neutrons) into leptons (particles like electrons and neutrinos) and vice versa. This process could have led to a small excess of baryons over antibaryons in the early universe.

The baryon asymmetry is an important problem in cosmology and particle physics, as understanding its origin could shed light on the fundamental nature of the universe and its origins.

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Presenter: Sidhart Viyyapu ([ Ссылка ])
Project Head: Rajkumar Shukla
Production: World Of Science Media ([ Ссылка ])

Matter Vs Antimatter Asymmetry Explained

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