September 15, 2011
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The view flag was lost. So the vacuum was broken. During that time:
- the radiator was reinstalled so we have now both 10um and 25 um of Al radiator.
- radiator was recalibrated
- The collimation system and target was more precisely realign.
- The to left and right side 90 detectors was realign so now they are at the same level