Import Geant4 9.5.0 source tree

source/processes/electromagnetic/dna/models/src/G4DNAMeltonAttachmentModel.cc

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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: G4DNAMeltonAttachmentModel.cc,v 1.2 2010-09-15 05:47:33 sincerti Exp $
+// GEANT4 tag $Name: not supported by cvs2svn $
+//
+
+// Created by Z. Francis
+
+#include "G4DNAMeltonAttachmentModel.hh"
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
+
+using namespace std;
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
+
+G4DNAMeltonAttachmentModel::G4DNAMeltonAttachmentModel(const G4ParticleDefinition*,
+                                             const G4String& nam)
+:G4VEmModel(nam),isInitialised(false)
+{
+  nistwater = G4NistManager::Instance()->FindOrBuildMaterial("G4_WATER");
+
+  lowEnergyLimit = 4 * eV; 
+  lowEnergyLimitOfModel = 4 * eV; 
+  highEnergyLimit = 13 * eV;
+  SetLowEnergyLimit(lowEnergyLimit);
+  SetHighEnergyLimit(highEnergyLimit);
+
+  verboseLevel= 0;
+  // Verbosity scale:
+  // 0 = nothing 
+  // 1 = warning for energy non-conservation 
+  // 2 = details of energy budget
+  // 3 = calculation of cross sections, file openings, sampling of atoms
+  // 4 = entering in methods
+  
+  if( verboseLevel>0 ) 
+  { 
+    G4cout << "Melton Attachment model is constructed " << G4endl
+           << "Energy range: "
+           << lowEnergyLimit / eV << " eV - "
+           << highEnergyLimit / eV << " eV"
+           << G4endl;
+  }
+  fParticleChangeForGamma = 0;
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
+
+G4DNAMeltonAttachmentModel::~G4DNAMeltonAttachmentModel()
+{  
+  // For total cross section
+  
+  std::map< G4String,G4DNACrossSectionDataSet*,std::less<G4String> >::iterator pos;
+  
+  for (pos = tableData.begin(); pos != tableData.end(); ++pos)
+  {
+    G4DNACrossSectionDataSet* table = pos->second;
+    delete table;
+  }
+
+   // For final state
+   
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
+
+void G4DNAMeltonAttachmentModel::Initialise(const G4ParticleDefinition* /*particle*/,
+                                       const G4DataVector& /*cuts*/)
+{
+
+  if (verboseLevel > 3)
+    G4cout << "Calling G4DNAMeltonAttachmentModel::Initialise()" << G4endl;
+
+  // Energy limits
+  
+  if (LowEnergyLimit() < lowEnergyLimit)
+  {
+    G4cout << "G4DNAMeltonAttachmentModel: low energy limit increased from " << 
+	LowEnergyLimit()/eV << " eV to " << lowEnergyLimit/eV << " eV" << G4endl;
+    SetLowEnergyLimit(lowEnergyLimit);
+    }
+
+  if (HighEnergyLimit() > highEnergyLimit)
+  {
+    G4cout << "G4DNAMeltonAttachmentModel: high energy limit decreased from " << 
+        HighEnergyLimit()/eV << " eV to " << highEnergyLimit/eV << " eV" << G4endl;
+    SetHighEnergyLimit(highEnergyLimit);
+  }
+
+  // Reading of data files 
+  
+  G4double scaleFactor = 1e-18*cm*cm;
+
+  G4String fileElectron("dna/sigma_attachment_e_melton");
+
+  G4ParticleDefinition* electronDef = G4Electron::ElectronDefinition();
+  G4String electron;
+ 
+  // ELECTRON
+
+    // For total cross section
+    
+    electron = electronDef->GetParticleName();
+
+    tableFile[electron] = fileElectron;
+
+    G4DNACrossSectionDataSet* tableE = new G4DNACrossSectionDataSet(new G4LogLogInterpolation, eV,scaleFactor );
+    tableE->LoadData(fileElectron);
+    tableData[electron] = tableE;
+    
+  //
+    
+  if (verboseLevel > 2) 
+    G4cout << "Loaded cross section data for Melton Attachment model" << G4endl;
+
+  if( verboseLevel>0 ) 
+  { 
+    G4cout << "Melton Attachment model is initialized " << G4endl
+           << "Energy range: "
+           << LowEnergyLimit() / eV << " eV - "
+           << HighEnergyLimit() / eV << " eV"
+           << G4endl;
+  }
+
+  if (isInitialised) { return; }
+  fParticleChangeForGamma = GetParticleChangeForGamma();
+  isInitialised = true;
+
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
+
+G4double G4DNAMeltonAttachmentModel::CrossSectionPerVolume(const G4Material* material,
+					   const G4ParticleDefinition* p,
+					   G4double ekin,
+					   G4double,
+					   G4double)
+{
+  if (verboseLevel > 3)
+    G4cout << "Calling CrossSectionPerVolume() of G4DNAMeltonAttachmentModel" << G4endl;
+
+ // Calculate total cross section for model
+
+ G4double sigma=0;
+ 
+ if (material == nistwater || material->GetBaseMaterial() == nistwater)
+ {
+  const G4String& particleName = p->GetParticleName();
+
+  if (ekin >= lowEnergyLimit && ekin < highEnergyLimit)
+  {
+     
+	std::map< G4String,G4DNACrossSectionDataSet*,std::less<G4String> >::iterator pos;
+	pos = tableData.find(particleName);
+	
+	if (pos != tableData.end())
+	{
+	  G4DNACrossSectionDataSet* table = pos->second;
+	  if (table != 0)
+	  {
+	    sigma = table->FindValue(ekin);
+	  }
+	}
+	else
+	{
+	  G4Exception("G4DNAMeltonAttachmentModel::ComputeCrossSectionPerVolume","em0002",
+                        FatalException,"Model not applicable to particle type.");
+	}
+  }
+
+  if (verboseLevel > 3)
+  {
+    G4cout << "---> Kinetic energy(eV)=" << ekin/eV << G4endl;
+    G4cout << " - Cross section per water molecule (cm^2)=" << sigma/cm/cm << G4endl;
+    G4cout << " - Cross section per water molecule (cm^-1)=" << sigma*material->GetAtomicNumDensityVector()[1]/(1./cm) << G4endl;
+  } 
+
+ } // if water
+        
+ return sigma*material->GetAtomicNumDensityVector()[1];		   
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
+
+void G4DNAMeltonAttachmentModel::SampleSecondaries(std::vector<G4DynamicParticle*>* /*fvect*/,
+					      const G4MaterialCutsCouple* /*couple*/,
+					      const G4DynamicParticle* aDynamicElectron,
+					      G4double,
+					      G4double)
+{
+
+  if (verboseLevel > 3)
+    G4cout << "Calling SampleSecondaries() of G4DNAMeltonAttachmentModel" << G4endl;
+
+  // Electron is killed
+  
+  G4double electronEnergy0 = aDynamicElectron->GetKineticEnergy();
+  fParticleChangeForGamma->ProposeTrackStatus(fStopAndKill);
+  fParticleChangeForGamma->ProposeLocalEnergyDeposit(electronEnergy0);
+  
+  return ;
+}
+
+
+
+
+
+
+
+