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