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User name Nilanga
Log entry time 04:40:07 on June27,2001
Entry number 64737
keyword=Left Arm VDC TDC problem: due to software
The strange bump in the left arm VDC TDC spectra are due to a bug in the espace version we are using for online analysis. In this version the VDC TDC values values for previous events are not
cleared and every empty event after that retains these values untill a
good hit for that plane comes. Since most of the T4 events are empty, T4
are the most affected.
Analyzed with standard espace (and all the online analyzers) the spectra come out normal