Assertion: electron's energy | /r/LocatedNear | primary detector
Facets:
value: with a "veto" detector
type: OTHER
Source sentences:
text: The higher energy (>50 MeV or so) neutrino experiments often cover or surround the primary detector with a "veto" detector which reveals when a cosmic ray passes into the primary detector, allowing the corresponding activity in the primary detector to be ignored ("vetoed").