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    User name P. Monaghan

    Log entry time 22:52:04 on January 17, 2005

    Entry number 139536

    This entry is a followup to: 139532

    Followups:

    keyword=TDC spectra before and after delay change.

    Shown below are plots of the TDC spectra for a bar in the auxiliary plane (#20) and the left pmt of bar #16 in the E plane; figure one is BEFORE the delay was removed and figure 2 is after the delay is removed. The red line refers to the auxiliary bar spectrum and the black line is the E bar spectrum. You can see that both TDC spectra are shifted by about 400 channels after the delay is removed.




    Figure 1 - TDC spectra before delay removed.

    aux_E_TDC_before.ps

    Figure 2 - TDC spectra after delay removed.

    aux_E_TDC_after.ps