1126182

Mic2 tuning

too many low-angle-tracks: this gives relatively low efficiency for bigger angle tracks.
File:Check ts eff mic2 b126182.gif
File:Angle10.gif

10/11/2008
change field appature (which was opened by AA 9/11/2008).
rescan b126182 pl56 run 20, light level 31747, cut off 1200, 1100
no difference on angular distribution.
File:Angle20.gif

11/11/2008
1st scan 1200 1100
2nd scan 1000 800
3rd scan 900 800