Table A1.

Identified parameters of the EPID kernel for different beam energies

Profile	$a_1$	$a_2$	$a_3$	$a_4$	$a_5$
6X	34.99996	0.00025	1.28729	$0.20810\times {10}^{-6}$	0.00010
6XFFF	34.99910	0.00040	1.80128	$0.10621\times {10}^{-4}$	0.32360
10X	34.99999	0.00024	1.12503	$0.36956\times {10}^{-6}$	0.00010
10XFFF	34.99910	0.00042	1.91661	$0.13382\times {10}^{-4}$	0.31100