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    User name Lingyan

    Log entry time 17:21:24 on February27,2001

    Entry number 57098

    keyword=scintillator efficiency for coin13_he4

    Below are two plots from good ent_type and "junk" ent_type, from which we can estimate the upper limit of the scintillator inefficiency.

    From these plots, I did not any apparent dependence of the inefficiency on the coordiante x.

    cuts used:
    **********
    Figure 1:
    above: abs(rs1x)<1.0&&abs(ent_type-1)<0.5
    below: abs(rs1x)<1.0&&abs(ent_type-2)<0.5

    Figure 2:
    above:abs(ls1x)<1.0&&abs(ent_type-3)<0.5
    below:abs(ls1x)<1.0&&abs(ent_type-4)<0.5


    FIGURE 1

    FIGURE 2