A radiation detector consisting of a combination of {TAIL ~ the scintillator} 2 and {HEAD ~ a light} responding means 
A radiation detector consisting of a combination of { TAIL ~ the scintillator } 2 and { HEAD ~ a light } responding means
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH