![](photo/bgo2.JPG)
![](photo/bgo1.JPG)
BGO counters are installed on the Hyperball frame.
![](photo/mount.JPG)
Ge detectors are being mounted.
![](photo/hotchi.JPG)
Cabling and noise reduction of chambers (ID3).
![](photo/lulin.JPG)
Ge electronics are installed. One Ge detector is under test.
![](photo/buggy.JPG)
LN2 buggy is connected to Ge detectors.
![](photo/bd1s.JPG)
BD1 is under surgery.
![](photo/mizunuma.JPG)
Performance of each Ge detector is
monitored through the beamtime.