If and when a neutrino does bump into something, the interaction spits out one of three particles an electron, a muon or a tau (the last two are heavy, unstable objects with most of the characteristics of an electron).

ECONOMIST: Neutrinos

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