Assertion: electron's number | /r/CapableOf | form the cerenkov cone
Facets:
value: in the photomultiplier tubes
type: LOCATION
Source sentences:
text: A sizable number of the atmospheric neutrino events come from below, having traveled all the way through the earth and forming the Cerenkov cone in the photomultiplier tubes at the top of the spherical heavy-water ball.