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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%