Table 1.

The values of the parameters a and b for the gold nanoparticles of the studied sizes and shapes, for the 6 MV and 18 MV beams.

	Smaller cylinder 5 nm × 30 nm		Larger cylinder 10 nm × 50 nm		2D structure 30 nm × 30 nm × 0.1 nm
Beam	a	b	a	b	a	b
6 MV	6.184	5.763	7.678	11.268	12.851	12.834
18 MV	8.058	25.991	12.138	41.464	14.178	14.618