Log entry time 06:45:20 on March 20, 2010

Entry number 312253

Note that the pedestals are very wide and the Rarm lower quartz signal is very small (something is wrong here, we need to investigate)

Note that the size of the upper Quartz ADC signal gets much smaller as we move the detector out of the event stripe.

Figure 1: run 6091 (main prex quartz in nominal (centered) location Figure 2: run 6092 (main prex quartz moved +2cm) Figure 3: run 6093 (main prex quartz moved +4cm)

Figure 1

Figure 2

Figure 3