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Physical Society Colloquium
Scott Menary York University Our world is made up predominantly of matter - namely electrons, protons, and neutrons. And yet, in the accepted description of the birth of the universe, the "Big Bang", antimatter and matter were created in equal amounts. Further, the theoretical descriptions of the interactions of particles do not discriminate between matter and antimatter. Based on these powerful and well-tested theoretical ideas, antimatter (like the positron, the "anti-electron") should be as ubiquitous in our universe as matter. So where did all the primordial antimatter go? I will describe present ideas on how matter seems to have won out and the experiments being planned and constructed around the world to test these ideas.
Friday, February 9th 2001, 15:30 |