Can someone translate these bubble chamber tracks?

[PhysiPhile]

I was looking for more details about this picture:

http://i1135.photobucket.com/albums/m621/PhysiPhile/collider.jpg

I think I see a few places where electron/positron pairs arise but can't be sure. Does anyone know what types of particles (energies) are in this image.

[bm0p700f]

The strength of the magnetic field used and a sense of scale would be needed to calculate energies. Field direction will tell you charge of the particles.

Positron electron pair in top left?

[PhysiPhile]

Positron electron pair in top left?

Yes. I believe this was a picture taken by Fermilab: http://www.fnal.gov/pub/today/images11/84-0329CN.hr.jpg

[Bill_K]

It's a very old picture. Nobody uses bubble chambers any more, especially not Fermilab.