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Keywords: G4hLowEnergyIonisation.hh,
Forum: Physics List
Re: Question Low energy ionisation of alpha (cognet marie-anne)
Re: None Re: Low energy ionisation of alpha (Dennis H. Wright)
Date: 28 Jul, 2005
From: michel maire <michel maire>

User Dennis H. Wright wrote:

>> Hi Marie-Anne,
>> 
>>     You need to add multiple scattering and set the process ordering
>> thus:
>> 
>>   G4MultipleScattering* aMultipleScattering = new G4MultipleScattering();
>>   G4hLowEnergyIonisation* ahadronLowEIon = new G4hLowEnergyIonisation();
>>   pmanager->AddProcess(aMultipleScattering,-1,1,1);
>>   pmanager->AddProcess(ahadronLowEIon,-1,2,2);
>> 
>> A good example to follow is
>> 
>> geant4/examples/advanced/underground_physics/src/DMXPhysicsList.cc
>> 

 From version 7.1, it is probably better to use the class G4ionIonisation.
 Here is the code extracted from extended/electromagnetic/TestEm5 :

    } else if (particleName == "alpha" || particleName == "GenericIon" ) { 
      pmanager->AddProcess(new G4MultipleScattering,-1, 1,1);
      pmanager->AddProcess(new G4ionIonisation,     -1, 2,2);

           Michel
 

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