Average number of photoelectron for each mirror

The average photoelectron number can be obtained by fitting the corrected ADC spectrum within central region of each mirror. The number obtained by Gaussian fit here is roughly 0.8 times real number of photoelectrons.

Mirror#	$n_{ph.e.}$
1	3.56
2	5.01
3	6.56
4	6.94
5	6.98
6	6.63
7	4.35
8	6.00
9	5.16
10	6.61