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User name Jin Huang
Log entry time 19:23:50 on November 6,2009
Entry number 297878
This entry is a followup to: 297694
Followups:
keyword=RHRS TDC double peaks
A second peak is seen on RHRS TDCs for both s1 and s2m. This peak has ~1% of count of main peak and it's ~100 TDC units (guess ~50ns) away from main peak. Besides, there are events below T0 on VDC timing spectrum, which should not be there.
Both symptoms were not seen yesterday.
FIGURE 1
FIGURE 2