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Forum: Physics List
Re: None Gammas from germanium in Geant4.9.6 - bug? (Marcin Kasztelan)
Re: Idea Re: Gammas from germanium in Geant4.9.6 - bug? (Vladimir Ivanchenko)
Date: 17 Jan, 2013
From: Marcin Kasztelan <Marcin Kasztelan>


In my opinion good results gives geant4.9.4.

My system variables:
declare -x G4LEDATA="/home/mk/geant4.9.6-install/share/Geant4-9.6.0/data/G4EMLOW6.32"
declare -x G4LEVELGAMMADATA="/home/mk/geant4.9.6-install/share/Geant4-9.6.0/data/PhotonEvaporation2.3"
declare -x G4LIB="/home/mk/geant4.9.6-install/lib/Geant4-9.6.0"
declare -x G4LIB_BUILD_SHARED="1"
declare -x G4LIB_USE_ZLIB="1"
declare -x G4NEUTRONHPDATA="/home/mk/geant4.9.6-install/share/Geant4-9.6.0/data/G4NDL4.2"
declare -x G4NEUTRONXSDATA="/home/mk/geant4.9.6-install/share/Geant4-9.6.0/data/G4NEUTRONXS1.2"
declare -x G4PIIDATA="/home/mk/geant4.9.6-install/share/Geant4-9.6.0/data/G4PII1.3"
declare -x G4RADIOACTIVEDATA="/home/mk/geant4.9.6-install/share/Geant4-9.6.0/data/RadioactiveDecay3.6"
declare -x G4REALSURFACEDATA="/home/mk/geant4.9.6-install/share/Geant4-9.6.0/data/RealSurface1.0"
declare -x G4SAIDXSDATA="/home/mk/geant4.9.6-install/share/Geant4-9.6.0/data/G4SAIDDATA1.1"

If I use a FTFP_BERT_HP_PEN Physics List or QGSP_BERT_HP_PEN
results are simmilar to QGSP_BERT_HP.

In attachment is .ps file with recent results from my simulation.
On pages 5 and 6 I present gammas from nCapture reaction on germanium.
Gamma particle energies are taken from StackingAction with selection for particle==G4Gamma, ParentID ==1
and Step ==0.

 Geant4 version Name: geant4-09-06 (30-November-2012)
                      Copyright : Geant4 Collaboration
                      Reference : NIM A 506 (2003), 250-303
                            WWW :

G4PhysListFactory::GetReferencePhysList <QGSP_BERT_HP> EMoption= 0
<<< Geant4 Physics List simulation engine: QGSP_BERT_HP 3.0
<<< Reference Physics List QGSP_BERT_HP is built

I think that problem is in nCapture, not in EM procesess.

Best Regards
Marcin Kasztelan


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1 Question: Re: Gammas from germanium in Geant4.9.6 - bug?   (Marcin Kasztelan - 28 Jan, 2013)
2 None: Re: Gammas from germanium in Geant4.9.6 - bug?   (Qiang - 09 May, 2013)
1 None: Re: Gammas from germanium in Geant4.9.6 - bug?   (michel maire - 16 May, 2013)
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