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None Examples for gamma-ray spectrometer simulation 

Forum: Documentation and Examples
Date: 16 Apr, 2010
From: Bill <Bill>

Hi,

I am new to Geant4 and want to simulate the gamma-ray (140 keV and 662 keV) interactions with CZT detectors.

I have created my program. However, the generated spectrum is very strange. There is always a peak next to the 140keV line, and I can see some low energy events but no compton platform. I attached my screenshot to the post.

Is there a full example in the geant4 package that shows how to simulate this simple spectrometer? Or, can anybody help me and share his/her own program?

I appreciate your help in advance.

Thanks, YC

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      http://hypernews.slac.stanford.edu/HyperNews/geant4/get/AUX/2010/04/16/14.00-14419-140kev.jpg

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