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Question A Strange Spectrum 

Forum: Physics List
Date: 16 Feb, 2016
From: Honghu Song <Honghu Song>

Dear all:

          I recently focus on the response of BC501A detector. Anyway , I can't get the proper result.
          Following is a brief introduction of my simulation:

                    Particle source : 5.5MeV neutron energy;
                               Detector : BC501A(5.08cm diameter, 5.08cm height)
                                 Physics : QGSP_BIC_HP/QGSP_BERT_HP/QBBC

          The correct response ( after multiplying with the light output function for proton energy deposit)  should be the distribution in attachment 1 .
          However , the response given by the simulation which I put in attachment 2 do not accord with  that.
          Moreover, the tail of the simulation spectrum is really strange (same for 3 physics lists), I also can not figure why there 's so much counts after the maximum energy?

          I was wondering if anyone can help me out of here.
          Thank you in advance , any help will be appreciated.

          Best regard!


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1 Question: Re: A Strange Spectrum   (Vladimir Ivanchenko - 21 Feb, 2016)
(_ Agree: Re: A Strange Spectrum   (Honghu Song - 21 Feb, 2016)
(_ Idea: Re: A Strange Spectrum   (Vladimir Ivanchenko - 06 Mar, 2016)
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