Table 3. Thickness of layers of different materials in each of the cases considered for multi-layer shield

Discharged energy in the shield (Mev/g) Total mass of the shield (kg) Thickness of the last layer (polyethylene): (mm) Thickness of the middle layer (water): (mm) Thickness of the first layer (aluminum): (mm) Simulation mode
1.093 0.25920 0.00 0.00 1.6 A
1.239 0.09600 0.00 1.60 0.0 B
1.507 0.08832 1.60 0.00 0.0 C
1.508 0.15360 1.00 0.00 0.6 D
1.446 0.15840 0.00 1.00 0.6 E
1.534 0.15630 0.45 0.55 0.6 F