If this is so, the loop could be generating high-energy particles with an energy of up to one thousand trillion electron volts.

BBC: Arches Cluster, Leicester

The beams were injected at 450 billion electron volts, only a fraction of the energy that scientists will aim for when they attempt to collide two particle beams.

BBC: Particle beams injected into LHC

It was the first machine to smash particles together with energies in excess of 1 trillion electron-volts or 1 TeV, whence its name.

ECONOMIST: The future of physics (1)

Both indicate that, if what they have seen really are Higgses, then the boson has a mass of about 125 giga-electron-volts (GeV), in the esoteric units which are used to measure how heavy subatomic particles are.

ECONOMIST: The Higgs boson: Fantasy turned reality | The