BNC 1621M - Manual (Page 26)

Anisotropy of the device for each energy does not exceed values (in %)
presented in Table 1.1, when the device is rotated in the horizontal plane
(Appendix B, Figure B.1) and values (in %) presented in Table 1.2, when
the device is rotated in the vertical plane (Appendix B, Figure B.2).
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0.059 0.662 1.25
0 0 0 0
15 ±5 ±5 ±5
30 ±10 ±10 ±10
45 ±20 ±15 ±15
60 ±40 ±20 ±20
-15 ±5 ±5 ±5
-30 ±10 ±10 ±10
-45 ±20 ±15 ±15
-60 ±40 ±20 ±20
Angle of the detection
relative to the direction
of the graduation Energy of gamma radiation, MeV
Anisotropy
0.059 0.662 1.25
0 0 0 0
15 ±5 ±5 ±5
30 ±10 ±10 ±10
45 ±20 ±15 ±15
60 ±40 ±20 ±20
-15 ±5 ±5 ±5
-30 ±10 ±10 ±10
-45 ±20 ±15 ±15
-60 ±40 ±20 ±20
Angle of the detection
relative to the direction
of the graduation Energy of gamma radiation MeV
Anisotropy
Table 1.1
Table 1.2