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Question Am 241 spectra not as expected 

Forum: Physics List
Date: 15 Jul, 2011
From: Athreya Shankar <Athreya Shankar>

hello,

I used /gps/ion 95 241 to simulate an Am 241 source. The radiation is impinging on an NaI(Tl) detector. But, the spectrum that I obtained (after taking into account the resolution of the detector, which was obtained experimentally), I got a different spectrum than what was expected. I am using RadioactiveDecay3.3 ,and when I view the file for Am 241, I cant understand it because I don't know what each column stands for.

I attach the spectrum that I got through geant simulation and experimentally:

(The first attachment is the geant simulation and the second is the experimental observation)

   Attachment:
      http://hypernews.slac.stanford.edu/HyperNews/geant4/get/AUX/2011/07/15/00.42-14875-with-Al-StandardModel.png
      http://hypernews.slac.stanford.edu/HyperNews/geant4/get/AUX/2011/07/15/00.42-60565-Am241-experiment.png

I would like to know why there is such a difference in the two spectra, and what I should do to make the simulation resemble the experimental observations.

Thanks in advance, Athreya

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1 None: Re: Am 241 spectra not as expected   (chunhui gong - 21 Sep, 2016)
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