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    User name X. Zheng

    Log entry time 10:01:35 on July15,2003

    Entry number 103858

    keyword=Detector checking - left arm S2 ADC and pion rejector

    During detector checking we also found that on the left arm, all ADCs of S2 do not look good. Jian-Ping also mentioned that we expect more than 6 channels from S2. Again we asked Seonho to check the detector map.

    For left arm pion rejector we found the following ADC channels barely have any signal:
    1st layer: #21
    2nd layer: #15,27,28,29,30

    ADC signals of S2 and of PRL1 #21 are posted below.

    FIGURE 1

    FIGURE 2