What does 5 sigma mean?

Fermilab physicist Don Lincoln relates sigma levels to dice rolls in his new video. Video: Fermilab

Much of the anticipation over last week’s Higgs announcement dealt with what sigma level the CMS and ATLAS experimental results would have. But what exactly is a sigma? Fermilab physicist Don Lincoln, who works on CMS, explains with a few rolls of the dice in this new video.

In related news, Fermilab’s YouTube page has drawn over 1 million views. Special thanks to Fermilab Visual Media Services and our resident filmmaker, Jim Shultz, for all their hard work.