Physics Girl Explains the Import of Fermilabs’ Surprising Muon Experiment Discovery

This video of Dianna Cowern, aka Physics Girl — explaining to her production crew a new experimental result which calls into question our understanding of the Standard Model of particle physics — is so wonderful. It’s great to see a relaxed, unscripted conversation about something so ridiculously complicated from someone who obviously knows their stuff.

Here is part of the Fermilab PR about the results:

The long-awaited first results from the Muon g-2 experiment at the U.S. Department of Energy’s Fermi National Accelerator Laboratory show fundamental particles called muons behaving in a way that is not predicted by scientists’ best theory, the Standard Model of particle physics. This landmark result, made with unprecedented precision, confirms a discrepancy that has been gnawing at researchers for decades.

The strong evidence that muons deviate from the Standard Model calculation might hint at exciting new physics. Muons act as a window into the subatomic world and could be interacting with yet undiscovered particles or forces.

“Today is an extraordinary day, long awaited not only by us but by the whole international physics community,” said Graziano Venanzoni, co-spokesperson of the Muon g-2 experiment and physicist at the Italian National Institute for Nuclear Physics. “A large amount of credit goes to our young researchers who, with their talent, ideas and enthusiasm, have allowed us to achieve this incredible result.”


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