AMA | September 2024

9192.566 - 9215.472 Sean Carroll

These leptons, neutrinos, decay into particles and antiparticles asymmetrically, and then the standard model processes turn some of those leptons into baryons. Maybe that's what happened, but we honestly don't know. It's a puzzling thing because, you know, when I was a starting out cosmologist, 80s and 90s, a lot of people were thinking about baryogenesis, and it's tantalizingly close to