Table 1.

Parameterized values to optimize the energy degrader. Parameterized values to optimize the energy degrader for 10 × 10 cm² and 15 × 15 cm² cone size. r is the radius of top layer. T _t is the top layer thickness. T _b is the bottom layer thickness. T _t + T _b is equal to 1.0 cm

10 × 10 cm2 cone				15 × 15 cm2 cone
	r	T t	T b		r	T t	T b
ED-Pa	-	-	1.0	ED-Pa	-	-	1.0
ED-1	2	0.7	0.3	ED-1	2	0.6	0.4
ED-2	2	0.6	0.4	ED-2	3	0.6	0.4
ED-3	2	0.5	0.5	ED-3	6	`	0.4
ED-4	2	0.4	0.6	ED-4	4	0.3	0.7
ED-5	2	0.3	0.7	ED-5	6	0.3	0.7

^aED-P is a Lucite® slab plate, thickness of which is1.0 cm

Highlighted bold ED-4 was selected as an optimal design