Standard Model 7: Pions

What holds the protons and neutrons together in the nucleus? Early work on this question combined Heisenberg's idea that the proton and neutron are two states of the same particle, and Yukawa's idea is that the nuclear force is carried by a new kind of particle. The results were revolutionary, and laid some of the groundwork for the Standard Model.

Видео Standard Model 7: Pions канала John Baez