Why neutrinos are the strangest particles in the Standard Model


We still don’t know what the mass of a neutrino is, which means there is still lots of exciting work to do, says Chanda Prescod-Weinstein



Physics


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17 June 2020

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DURING my final year of high school, in 1998, my mother excitedly announced to me one day that neutrinos had mass. I didn’t care, and I couldn’t figure out why she did. At the time, I didn’t realise what a big deal it was. I didn’t even know what a neutrino was and arrogantly thought that because I hadn’t heard about them, they weren’t terribly important. By the time Takaaki Kajita and Arthur B. McDonald shared a 2015 Nobel prize for their role in the discovery, I knew more about these weird particles.

Neutrinos are, in my …



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