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    User name jroche for cshloka

    Log entry time 00:01:25 on October 09, 2010

    Entry number 333972

    keyword=S2 ADC basically already matched

    Shloka did fit the ADC spectra for the S2 scintillators based on the left HRS run we took a few 
    days ago (run 7480). Below are her results showing that as expected the ADC signals between 
    the various tubes are basically matched.  I do not think we need to change the HV.  Also the 
    pedestals shown here do match (pretty closely) the pedestals we had extracted with cosmic 
    data.
    
    #    Ped     Peak_obs   Peak_need   HV_ratio
    L0   464.3   493.6      484.3       0.962   
    L1   504.6   533.5      524.6       0.964   
    L2   474.8   501.5      494.8       0.972   
    L3   436.1   462.3      456.1       0.974   
    L4   405.9   433.5      425.9       0.968   
    L5   510.0   536.0      530.0       0.974   
    L6   627.6   654.0      647.6       0.972   
    L7   444.1   470.3      464.1       0.973   
    L8   478.6   506.8      498.6       0.966   
    L9   573.3   602.5      593.3       0.963   
    L10   564.4   593.9      584.4       0.962   
    L11   455.9   482.9      475.9       0.971   
    L12   664.8   689.7      684.8       0.978   
    L13   558.4   585.6      578.4       0.970   
    L14   477.5   503.3      497.5       0.975   
    L15   492.9   521.4      512.9       0.965   
    R0   475.1   497.5      495.1       0.989   
    R1   493.0   520.5      513.0       0.969   
    R2   335.3   359.8      355.3       0.980   
    R3   344.5   369.1      364.5       0.979   
    R4   630.5   654.2      650.5       0.983   
    R5   490.1   516.9      510.1       0.971   
    R6   623.2   649.8      643.2       0.972   
    R7   551.1   581.5      571.1       0.959   
    R8   485.0   508.6      505.0       0.984   
    R9   342.6   365.4      362.6       0.987   
    R10   304.9   327.7      324.9       0.987   
    R11   363.7   391.0      383.7       0.969   
    R12   623.7   652.0      643.7       0.966   
    R13   506.7   533.7      526.7       0.970   
    R14   557.9   584.0      577.9       0.974   
    R15   519.7   548.2      539.7       0.965 
    


    A copy of this log entry has been emailed to: cshloka@jlab.org