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Question Neutron dose with three reference physicslist 

Forum: Physics List
Date: 19 Jan, 2015
From: Geng <Geng>

Dear experts,

I calculated the depth dose of 1e-3 MeV neutron by Geant4 (both in version 9.6 and 10.01) with physics lists with HP(QGSP_BERT_HP, QGSP_BIC_HP), QGSP_BERT, QGSP_BIC, QBBC and MCNP. I donot understand why the depth dose by QBBC is similar with MCNP, while QGSP_BIC and QGSP_BERT is not. Any suggestions will be appreciated.

Thanks and best regards! Geng

Attachment is the depth dose distribution in a water phantom with a 1e-3 MeV point neutron beam.

   Attachment:
      http://hypernews.slac.stanford.edu/HyperNews/geant4/get/AUX/2015/01/19/22.50-41486-neutrondose.png

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