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Question Summation Peaks Issue 

Forum: Event and Track Management
Date: 12 Nov, 2015
From: Dylan Pierce <Dylan Pierce>

I am trying to simulate a spectrum for a Cd-109 sample. Experimentally we see summation peaks around 44 and 47 keV, which are summation peaks from 2 22keV x-ray for the 44 peak and 22 + 25 keV x-ray for the 47 peak. Anyway when I originally simulated the spectrum the summation peaks were missing. To try and get these peaks to occur I looked at the EndOfEvent from the AnalysisManager of rdecay02 example.

Using this and my model, which uses Sensitive Dectecotrs instead of stepping action, I am trying to get time from, ProcessHits of the SD.cc, I define;

newHit = SetTime( aStep->GetPreStepPoint()->GetProperTime()) ;

I am then outputting the Time and time difference to the terminal but for a good portion of the hits it says the time and time difference between two hits in an event is 0 seconds, I was wondering if anyone knows how to fix this problem?

Cheers,

Dylan

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