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    User name xfzhu

    Log entry time 18:02:23 on June24,2001

    Entry number 64430

    Followups:

    keyword=Problem with right arm scintililator: spec_R_s2_TDC_R_1

    For right arm spectrometer, TDC spectrum from the right side of scintillator paddle #1 shows two peaks, as shown on the top of fig.1
    However, the left side of the same scintillator paddle shows only one peak on the bottom of fig.1
    For comparison, fig. 2 shows the same spectrum for scintillator paddle #3, only one peak appears on both top and bottom spectrum.
    There might be some problems with the cable connection for that TDC channal, or something else.



    FIGURE 1

    FIGURE 2