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    User name V. Sulkosky

    Log entry time 12:50:04 on February 10, 2009

    Entry number 260281

    keyword=Pion Rejector Layer 1 Checkout

    Using the data taken this morning with the central momentum set to 1.0 GeV/c,
    I have checked the HV gain matching for the first layer of the pion
    rejector. As was seen during Tranversity, most of the energy is deposited
    in the first layer. I will have to use 5-pass data to check the second

    The gain matching is still very good. There are a couple channels that
    have a higher gain by 6-8% compared to the others. There is also one
    channel that is low by about 4%. All the other channels are within 2% of
    each other.

    Figures 1-4 show the individual pedestal subtracted ADC spectra for the
    first layer.

    A copy of this log entry has been emailed to: jpchen,jiang,brads,moffit,gen

    Pion Rejector Layer 1 (0-9)

    Pion Rejector Layer 1 (10-19)

    Pion Rejector Layer 1 (20-29)

    Pion Rejector Layer 1 (30-33)