Can someone explain this picture to me?

[Armando Valle]

can someone explain me this quantum equations picture with the circles and Feynman diagram? what with the circles?

 

[Nugatory]

The Feynman diagram describes a neutron emitting an electron and a neutrino as it decays to a proton.
The two equations are the Schrödinger equation and the Heisenberg uncertainty principle.
The black-and-white photograph is a cloud chamber photograph showing the tracks of particles through the chamber; charged particles move in circles because there's a magnetic field vertical to the plane of the photo.

 

[Vanadium 50]

The cloud chamber photograph is almost certainly a bubble chamber, and it looks like it might be the process p -> K+ Lambda.

 

[newjerseyrunner]

it looks like it might be the process p -> K+ Lambda.

Yeah, I was about to ask what that was. It's unrelated to the Feynman diagram.