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Table 6 Measured and attenuation properties of disks

From: Characterisation of the attenuation properties of 3D-printed tungsten for use in gamma camera collimation

Material

Measured μ (cm−1)

% deviation from theoretical (including Coherent scatter)

% deviation from theoretical (excluding Coherent scatter)

Samples A and D (140 keV)

28.1 ± 0.3

22–23%

17–19%

Sample E (140 keV)

22.7 ± 0.4

36–38%

33–35%

Samples A and D (364 keV)

3.7 ± 0.1

12–17%

5–10%

Sample E (364 keV)

3.1 ± 0.2

24–33%

18–28%