Matter and anti/matter after big bang

Thread starter big_bounce
Start date Nov 27, 2012
Tags

Big bang Matter

In summary, matter and antimatter have the same mass and opposite electric charge, and when they come into contact, they annihilate each other and produce energy. The big bang theory states that the universe started with equal amounts of matter and antimatter, but a slightly higher amount of matter led to the formation of the universe we see today. Most of the antimatter produced during the big bang was annihilated, leaving a small amount that exists in the universe today. In the present day, matter and antimatter can be created in controlled environments, such as particle accelerators. The study of matter and antimatter helps us understand the fundamental properties of the universe, the asymmetry between them, and the possibility of new particles and phenomena.

Nov 27, 2012

big_bounce

Hello all .
Why mater victory to anti/matter after big bang ?
There is any relation to gravity ?

Physics news on Phys.org

Nov 27, 2012

phinds

Science Advisor

Insights Author

Gold Member

This topic comes up here frequently. I suggest a forum search.

Nov 28, 2012

Drakkith

Mentor

Also, could you take a little more time to present your posts in a more grammatically correct manner? It's hard to understand people if they don't use the basic grammar rules.

1. What is the difference between matter and antimatter?

Matter and antimatter are essentially mirror images of each other. They have the same mass and opposite electric charge. When matter and antimatter come into contact, they annihilate each other and produce energy. This is known as the matter-antimatter reaction.

2. How did matter and antimatter come into existence after the big bang?

The big bang theory states that the universe started as a singularity, a point of infinite density and temperature. As the universe expanded and cooled, energy converted into matter and antimatter particles. However, there was a slightly higher amount of matter than antimatter, which led to the formation of the universe we see today.

3. What happened to the antimatter after the big bang?

Most of the antimatter produced during the big bang was annihilated by matter, leaving a small amount that exists in the universe today. This antimatter can be found in cosmic rays and in high-energy particle collisions.

4. Can matter and antimatter be created in the present day?

Yes, matter and antimatter can be created in particle accelerators, such as the Large Hadron Collider. These facilities use high-energy collisions to produce particles and antiparticles in controlled environments for scientific purposes.

5. What implications does the study of matter and antimatter have for our understanding of the universe?

The study of matter and antimatter helps us understand the fundamental properties of the universe and the laws of physics. It also sheds light on the asymmetry between matter and antimatter and how it played a crucial role in the formation of the universe. Additionally, it allows us to explore the possibility of new particles and phenomena that could potentially revolutionize our understanding of the universe.