NaI(Tl) Detector Efficiency Computation Using Radioactive Parallelepiped Sources Based on Efficiency Transfer Principle

Table 2

The values of the polar and the azimuthal angles of the source matrix and the source container material.

Possible cases	Possible path lengths
	Source matrix	Source container material
Exit from the base
Exit from side I
Exit from side II
Exit from side III
Exit from side IV
where , , , and