Table 1: X-ray absorption and scattering coefficients at 50 KeV of the phantom components.

MaterialAbsorption Coefficient ( )Scattering coefficients ( = + ) ( )

Water0.0280.01400.16800.0769
Cube 10.0280.00350.17850.0193
Cube 20.0280.00700.17500.0385
Cube 30.0280.02600.15600.1429
Cube 40.0280.05200.13000.2858