Breaking the symmetry between fundamental forces

Categories: Intensity Frontier
Published on: March 27, 2019

The CDF and DZero experiments at the Tevatron have published their latest measurement of the electroweak mixing angle. Photo: Reidar Hahn

At present scientists think that at the highest energies and earliest moments in time, all the fundamental forces may have existed as a single unified force. As the universe cooled just one microsecond after the Big Bang, it underwent a “phase transition” that transformed or “broke” the unified electromagnetic and weak forces into the distinct forces observed today.

By Breese Quinn and Willis Sakumoto

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