05/11/2011
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Because is something wrong I decided to measure the counts rate as function of threshold energy. Maybe my threshold was incorrect.
Below are my results for n's detector with HAMAMATSU PMT (-1500 V):
So it looks like my previous threshold value (-500 V) was not good. Let's set it up the -200 V. And let's see does the n's detector sensitive to the source
| counts/sec (5 min test), no source | counts/sec (5 min test), with source on the top of detector | |
|---|---|---|
| n's |