Prediction of Materials Density according to Number of Scattered Gamma Photons Using Optimum Artificial Neural Network

Table 4

Prediction of materials according to number of detected photons using first ANN.

Prediction of materials	Number of detected photons (#)	Density of material (g/cm^3)
Water	5478	1
Sulfuric acid	8778	1.840
Bone	8811	1.85
Salt	10190	2.200
Carbon	11512	2.60
Granite	11629	2.650
Sand	12080	2.800
Tin	19867	7.30
Brass	20944	8.40
Nickel	21316	8.80
Silver	22865	10.40
Lead	23794	11.30