Import Geant4 9.1.0 source tree

2016-06-09 15:37:50 +02:00
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+//
+// ********************************************************************
+// * License and Disclaimer                                           *
+// *                                                                  *
+// * The  Geant4 software  is  copyright of the Copyright Holders  of *
+// * the Geant4 Collaboration.  It is provided  under  the terms  and *
+// * conditions of the Geant4 Software License,  included in the file *
+// * LICENSE and available at  http://cern.ch/geant4/license .  These *
+// * include a list of copyright holders.                             *
+// *                                                                  *
+// * Neither the authors of this software system, nor their employing *
+// * institutes,nor the agencies providing financial support for this *
+// * work  make  any representation or  warranty, express or implied, *
+// * regarding  this  software system or assume any liability for its *
+// * use.  Please see the license in the file  LICENSE  and URL above *
+// * for the full disclaimer and the limitation of liability.         *
+// *                                                                  *
+// * This  code  implementation is the result of  the  scientific and *
+// * technical work of the GEANT4 collaboration.                      *
+// * By using,  copying,  modifying or  distributing the software (or *
+// * any work based  on the software)  you  agree  to acknowledge its *
+// * use  in  resulting  scientific  publications,  and indicate your *
+// * acceptance of all terms of the Geant4 Software license.          *
+// ********************************************************************
+//
+//
+// $Id: G4FinalStateChargeIncrease.cc,v 1.2 2007/11/09 20:11:04 pia Exp $
+// GEANT4 tag $Name: geant4-09-01 $
+// 
+// Contact Author: Maria Grazia Pia (Maria.Grazia.Pia@cern.ch)
+//
+// Reference: TNS Geant4-DNA paper
+// Reference for implementation model: NIM. 155, pp. 145-156, 1978
+
+// History:
+// -----------
+// Date         Name              Modification
+// 28 Apr 2007  M.G. Pia          Created in compliance with design described in TNS paper
+//
+// -------------------------------------------------------------------
+
+// Class description:
+// Reference: TNS Geant4-DNA paper
+// S. Chauvie et al., Geant4 physics processes for microdosimetry simulation:
+// design foundation and implementation of the first set of models,
+// IEEE Trans. Nucl. Sci., vol. 54, no. 6, Dec. 2007.
+// Further documentation available from http://www.ge.infn.it/geant4/dna
+
+// -------------------------------------------------------------------
+
+
+#include "G4FinalStateChargeIncrease.hh"
+#include "G4Track.hh"
+#include "G4Step.hh"
+#include "G4DynamicParticle.hh"
+#include "Randomize.hh"
+#include "G4Electron.hh"
+#include "G4ParticleTypes.hh"
+#include "G4ParticleDefinition.hh"
+#include "G4SystemOfUnits.hh"
+#include "G4ParticleMomentum.hh"
+#include "G4DNAGenericIonsManager.hh"
+
+G4FinalStateChargeIncrease::G4FinalStateChargeIncrease()
+{
+  name = "ChargeIncrease";
+  lowEnergyLimit = 1 * keV;
+  highEnergyLimit = 10 * MeV;
+}
+
+
+G4FinalStateChargeIncrease::~G4FinalStateChargeIncrease()
+{}
+ 
+
+const G4FinalStateProduct& G4FinalStateChargeIncrease::GenerateFinalState(const G4Track& track, const G4Step& /* step */)
+{
+  // Clear previous secondaries, energy deposit and particle kill status
+  product.Clear();
+
+  // Primary particle
+  product.KillPrimaryParticle();
+  product.AddEnergyDeposit(0.);
+  G4ParticleDefinition* definition = track.GetDefinition();
+ 
+  // Secondaries
+  G4double inK = track.GetDynamicParticle()->GetKineticEnergy();
+  
+  G4int finalStateIndex = cross.RandomSelect(inK,definition);
+
+  G4int n = NumberOfFinalStates(track.GetDefinition(),finalStateIndex);
+  G4double outK = inK - IncomingParticleBindingEnergyConstant(definition,finalStateIndex);
+
+  G4DNAGenericIonsManager* instance;
+  instance = G4DNAGenericIonsManager::Instance();
+
+  G4double electronK;
+  if (definition == instance->GetIon("hydrogen")) electronK = inK*electron_mass_c2/proton_mass_c2;
+  else electronK = inK*electron_mass_c2/(3728*MeV);
+  
+  if (outK<0)
+    {
+      G4String message;
+      message="G4FinalStateChargeIncrease - Final kinetic energy is below 0! Process ";
+    }
+  
+  product.AddSecondary(new G4DynamicParticle(OutgoingParticleDefinition(definition,finalStateIndex), 
+					     track.GetDynamicParticle()->GetMomentumDirection(), 
+					     outK));
+
+  n = n - 1;
+  
+  while (n>0)
+    {
+      n--;
+   
+      product.AddSecondary
+	(new G4DynamicParticle(G4Electron::Electron(), track.GetDynamicParticle()->GetMomentumDirection(), electronK));
+    }
+        
+  return product;
+}
+
+G4int G4FinalStateChargeIncrease::NumberOfFinalStates(G4ParticleDefinition* particleDefinition, 
+						      G4int finalStateIndex )
+ 
+{
+  G4DNAGenericIonsManager* instance;
+  instance = G4DNAGenericIonsManager::Instance();
+  if (particleDefinition == instance->GetIon("hydrogen")) return 2;
+  if (particleDefinition == instance->GetIon("alpha+")) return 2;
+  
+  if (particleDefinition == instance->GetIon("helium")) 
+    {    if (finalStateIndex==0) return 2;
+    return 3;
+    }
+  return 0;
+}
+
+
+G4ParticleDefinition*  G4FinalStateChargeIncrease::OutgoingParticleDefinition (G4ParticleDefinition* particleDefinition, 
+									       G4int finalStateIndex) 
+{
+  G4DNAGenericIonsManager * instance(G4DNAGenericIonsManager::Instance());
+  if (particleDefinition == instance->GetIon("hydrogen")) return G4Proton::Proton(); 
+  if (particleDefinition == instance->GetIon("alpha+")) return instance->GetIon("alpha++");
+
+  if (particleDefinition == instance->GetIon("alpha+")) return instance->GetIon("helium");
+  {
+    if (finalStateIndex==0) return instance->GetIon("alpha+"); 
+    return instance->GetIon("alpha++");
+  }
+  return 0;
+}
+ 
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
+
+G4double G4FinalStateChargeIncrease::IncomingParticleBindingEnergyConstant(G4ParticleDefinition* particleDefinition, 
+									   G4int finalStateIndex )
+{
+  G4DNAGenericIonsManager * instance(G4DNAGenericIonsManager::Instance());
+  if(particleDefinition == instance->GetIon("hydrogen")) return 13.6*eV;
+  
+  if(particleDefinition == instance->GetIon("alpha+"))
+    {
+      // Binding energy for    He+ -> He++ + e-    54.509 eV
+      // Binding energy for    He  -> He+  + e-    24.587 eV
+      return 54.509*eV;
+    }
+   
+  if(particleDefinition == instance->GetIon("helium"))
+    {
+      // Binding energy for    He+ -> He++ + e-    54.509 eV
+      // Binding energy for    He  -> He+  + e-    24.587 eV
+
+      if (finalStateIndex==0) return 24.587*eV;
+      return (54.509 + 24.587)*eV;
+    }  
+
+  return 0;
+}
+
+