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User name R. Subedi
Log entry time 12:15:57 on November 01, 2009
Entry number 297089
keyword=7 the PMT of left gas-cer
The cable for the 7th PMT for left hrs gas-cerenkov was not connected in
the 2nd floor of detector hut (for no reason). Now it is connected.
Signal for this PMT should appear in the histogram now.
In addition, we have set the discriminator threshold for this gas-cer
(this is a CAMAC discriminator and the threshold can be set remotely) as
150 mV, after which we see the sum of 10 PMT's rate as about 20 kHz. This
was just an adhoc threshold, and not sure how to determine a good number