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User name V. Sulkosky
Log entry time 06:56:33 on November 5,2009
Entry number 297519
keyword=Pion Rejector Not Aligned
I found that the HV map for the pion rejector does not reflect the
signal channel map or at least what I expect. Without this
information, I cannot do the HV alignment. I have the data that I need. However the cable map needs to be fixed. As far as I can tell,
the pion rejector channels are all over the place.
For example, when I turn pion rejector layer 1 channel 28 off, PR
layer 2 channel 11 had no signal in the ADC. When we turned off
channel 11 from layer 2, channel 16 in layer 2 had no signal in the ADC. Hence it seems that not only are channels swapped within the
pion rejector layers but also among both of them.