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    User name D. Parno

    Log entry time 01:55:48 on March15,2009

    Entry number 266183

    This entry is a followup to: 266175

    keyword=More Run 2164 Problems

    In addition to the problems Miha noted (missing BB Cerenkov peaks, offline deadtime of -30,000), there are some other weird things going on with Run 2164.

    Fig. 1 shows missing peaks in the MWDC hits per plane. Fig. 2 shows a different shape to the preshower sum pedestal-subtracted ADCs, which also shows up in the scintillator ADCs.

    The inclusive kinematics calculations also show many, many fewer events than in the golden run.


    FIGURE 1

    FIGURE 2