Why Are We in A Matter Universe and Not Anti-Matter?

“At the very beginning of the universe in the so called Big Bang, equal amounts of matter and anti-matter were created and yet, they didn't stay equal. We ended up with the world around us, consisting of matter and no anti-matter.”

- Carl Gagliardi, Ph.D., Prof. of Physics, Texas A&M University

Powerful computers reconstruct the sub-atomic interactions from each collision in the Solenoidal Tracker (STAR) at Brookhaven National Lab's Relativistic Heavy Ion Collider (RHIC) where an international team of scientists have made a new particle called an “anti-hypertriton.” Physicists think this anti-matter particle was at the beginning of our universe's Big Bang creation 13.7 billion years ago. Illustration by Brookhaven National Lab.

March 7, 2010 Brookhaven National Laboratory, Long Island, New York - The March 4, 2010, online Science Express, reported that an international team of scientists have made a new particle called an “anti-hypertriton.” This is a particle that the physicists think was at the beginning of our universe's Big Bang creation. Physicists are trying to understand why the super-hot, super-dense plasma that rapidly expanded full of both matter and anti-matter particles did not self-annihilate? Why didn't those matter and anti-matter particles blow each other to bits? Something happened to tip the scale toward matter because we live in a proton and neutron universe, not a universe of anti-protons and anti-neutrons.

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