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Apr 9, 2022

Scientists managed to take pure energy and create matter — and new physics

Posted by in category: particle physics

On his 143rd birthday, Inverse celebrates the world’s most iconic physicist — and interrogates the myth of his genius. Welcome to Einstein Week.

Brandenburg is a member of the STAR collaboration, a group of more than 700 scientists from 15 countries who use BNL’s Relativistic Heavy Ion Collider, or RHIC (pronounced “Rick”), to smash gold nuclei together at 99.995 percent the speed-of-light.

For this experiment, the researchers were more interested in the near misses than the hits. Ultra-high-energy photons encircle the gold nuclei like an aura, and auras collide as nuclei zoom past one another. When photons (particles of light; massless, pure energy) collide, they generate an electron and a positron, its antimatter counterpart — both particles that have a mass. This is known as the Breit-Wheeler Process.

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