What components of the NaI system are housed in the unit we

What components of the NaI system are housed in the unit we call the \"detector\"?

Solution

1.Nal(TI) crystal

2.Photomultiplier Tube which conists of consists of a photocathode, a focussing grid, an array of dynodes and an anode housed in an evacuated glass tube.

3.Electrical circuitary which typically consists of high voltage power supply,Linear amplifier and PC controlled data acquistion.