{TAIL ~ The scintillator} uses a material which exhibits improved performance with respect to the strength in light emission and to the speed in {HEAD ~ attenuation}, and further is relatively easy in the growth of its crystal 
{ TAIL ~ The scintillator } uses a material which exhibits improved performance with respect to the strength in light emission and to the speed in { HEAD ~ attenuation } , and further is relatively easy in the growth of its crystal
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH