Gabriele Cosmo
86 lines
4.5 KiB
Plaintext
86 lines
4.5 KiB
Plaintext
//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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// $Id: G4DNAChargeDecreaseInWater.icc,v 1.4 2006/06/29 19:33:42 gunter Exp $
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// GEANT4 tag $Name: geant4-08-01 $
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//
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#ifdef G4DNACHARGEDECREASEINWATER_HH
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template<typename TotalCrossSectionPolicy, typename FinalStatesPolicy>
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G4VParticleChange * G4DNAChargeDecreaseInWater<TotalCrossSectionPolicy, FinalStatesPolicy> :: PostStepDoIt(const G4Track & aTrack, const G4Step & aStep)
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{
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this->aParticleChange.Initialize(aTrack);
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this->aParticleChange.ProposeTrackStatus(fStopAndKill);
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G4double inK(aTrack.GetDynamicParticle()->GetKineticEnergy());
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const G4int z(10); // H2O number of electrons
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G4int finalStateIndex(TotalCrossSectionPolicy::RandomizePartialCrossSection(inK, z));
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G4int n(FinalStatesPolicy::NumberOfFinalStates(finalStateIndex));
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G4double waterBindingEnergy(FinalStatesPolicy::WaterBindingEnergyConstant(finalStateIndex));
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G4double outgoingParticleBindingEnergy(FinalStatesPolicy::OutgoingParticleBindingEnergyConstant(finalStateIndex));
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G4double outK(inK - n*(inK*electron_mass_c2/proton_mass_c2) - waterBindingEnergy + outgoingParticleBindingEnergy);
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if (outK<0)
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{
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G4String message;
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message="G4DNAChargeDecreaseInWater<>::PostStepDoIt - Final kinetic energy is below 0! Process ";
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message+=this->GetProcessName();
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G4Exception(message);
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}
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this->aParticleChange.ProposeLocalEnergyDeposit(waterBindingEnergy);
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this->aParticleChange.SetNumberOfSecondaries(1);
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this->aParticleChange.AddSecondary(new G4DynamicParticle(FinalStatesPolicy::OutgoingParticleDefinition(finalStateIndex), aTrack.GetDynamicParticle()->GetMomentumDirection(), outK));
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return G4VDNAProcessInWater<TotalCrossSectionPolicy, FinalStatesPolicy>::PostStepDoIt(aTrack, aStep);
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/* aParticleChange.Initialize(aTrack);
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G4double k=aTrack.GetDynamicParticle()->GetKineticEnergy();
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G4int finalStateIndex(FinalStatesPolicy::NumberOfFinalStates());
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G4int randomShell;
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G4double electronBindingEnergy=0.;
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for(G4int index=0; index<finalStateIndex; index++)
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{
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randomShell = TotalCrossSectionPolicy::RandomizePartialCrossSection(k);
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electronBindingEnergy+=TotalCrossSectionPolicy::WaterBindingEnergy(randomShell);
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}
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G4double overallBindingEnergy(FinalStatesPolicy::OverallBindingEnergyConstant(finalStateIndex));
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aParticleChange.ProposeLocalEnergyDeposit(electronBindingEnergy);
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aParticleChange.SetNumberOfSecondaries(1);
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G4DynamicParticle *newParticle = new G4DynamicParticle(FinalStatesPolicy::OutgoingParticleDefinition(finalStateIndex),
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aTrack.GetDynamicParticle()->GetMomentumDirection(),
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k-finalStateIndex*(k*electron_mass_c2/proton_mass_c2)-electronBindingEnergy+overallBindingEnergy);
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aParticleChange.ProposeTrackStatus(fStopAndKill);
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aParticleChange.AddSecondary(newParticle);
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return G4VDNAProcessInWater<TotalCrossSectionPolicy, FinalStatesPolicy>::PostStepDoIt(aTrack, aStep); */
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}
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#endif /* G4DNACHARGEDECREASEINWATER_HH */
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