05/13/2011 timing test

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Revision as of 22:48, 13 May 2011 by Shaproma (talk | contribs)
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Set up like that:

Detector1.png


The voltages and thresholds are:

PMT voltage, V threshold, mV discr. width, ns
PS1 -1500 -80 100
PS1 -1500 -80 100
n's -1500 -200 10



Let's do the timing test. The distances are between PS1+PS2 and n's PMT. The time is time difference between PS1(PS2) and n's detector signals

N 80 cm 70 cm 60 cm 50 cm 40 cm 30 cm 20 cm 10 cm 0 cm
1 17.6 ns 16.8 ns
2 17.6 ns 16.8 ns
3 18.4 ns 17.6 ns
4 17.6 ns 17.0 ns
5 17.6 ns 17.0 ns
6 17.6 ns 17.2 ns
7 18.0 ns 18.4 ns
8 16.8 ns 20.8 ns
9 9.6 ns 17.6 ns
10 17.2 ns 22.4 ns
avg
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