Re: fiber tests with SiPM

[serguei@jlab.org]

    Hi Beni,
As I can see from "SiPM response:Random Trigger"
picture, the pedestal is channel 180 (about). So photo electrons number
=(mean/rms)**2.=((277.3-180)/125)**2.=0.61 per 140 nS gate, or SiPM noise
rate is about 4.2 MHz. Is it correct?

Sergey.

> HI All,
> I put a small section on the wiki about fiber testing with Sr90 source
> and SiPM.
> You can find some first results in
> http://www.jlab.org/Hall-D/software/wiki/index.php/Fiber_Test_with_SiPM
> comments and suggestions are welcome, in particular if you find mistakes.
>
> cheers,
> Beni
>
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