Jan 11, 2014 07:44 PM EST
Explainer: What are Leptons?
The giant Large Hadron Collider at CERN’s lab in Europe may be closed until 2015 but experiments will still be run there in the second half of this year on much smaller synchrotrons that examined the decay of particles into electrons, muons and neutrinos, all of which belong in a family called lep...