G4teoCrossSection.cc

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// History:
// -----------
//  21 Apr 2009   ALF   1st implementation
//  29 Apr 2009   ALF Updated Desing for Integration
//  15 Mar 2011   ALF introduced the usage of G4AtomicShellEnumerator
//  20 Oct 2011   ALF updated to take into account ECPSSR Form Factor
//  09 Mar 2012   LP  update methods
//  09 Mar 2012   ALF  update for M-shells Simulation
//

#include "globals.hh"
#include "G4teoCrossSection.hh"
#include "G4Proton.hh"
//#include "G4Alpha.hh"
#include "G4ecpssrBaseKxsModel.hh"
#include "G4ecpssrBaseLixsModel.hh"

#include "G4ecpssrFormFactorKxsModel.hh"
#include "G4ecpssrFormFactorLixsModel.hh"
#include "G4ecpssrFormFactorMixsModel.hh"

G4teoCrossSection::G4teoCrossSection(const G4String& nam)
  :G4VhShellCrossSection(nam),totalCS(0.0),ecpssrShellK(0),ecpssrShellLi(0), ecpssrShellMi(0)
{ 

  if (nam == "Analytical") 
    {
      ecpssrShellK  = new G4ecpssrBaseKxsModel();  
      ecpssrShellLi = new G4ecpssrBaseLixsModel();      
    }
  else if (nam == "ECPSSR_FormFactor")
    {
      ecpssrShellK  = new G4ecpssrFormFactorKxsModel();  
      ecpssrShellLi = new G4ecpssrFormFactorLixsModel();
      ecpssrShellMi = new G4ecpssrFormFactorMixsModel();
    }
  else { G4cout << "ERROR" << G4endl;}


}

G4teoCrossSection::~G4teoCrossSection()
{ 
  delete ecpssrShellK;
  delete ecpssrShellLi;
  if (ecpssrShellMi) {delete ecpssrShellMi;}
}

std::vector<G4double> G4teoCrossSection::GetCrossSection(G4int Z,
                                                         G4double incidentEnergy,
                                                         G4double mass,
                                                         G4double,
                                                         const G4Material*)
{
  std::vector<G4double> crossSections;

  crossSections.push_back( ecpssrShellK->CalculateCrossSection(Z, mass, incidentEnergy) );
  
  crossSections.push_back( ecpssrShellLi->CalculateL1CrossSection(Z, mass, incidentEnergy) );
  crossSections.push_back( ecpssrShellLi->CalculateL2CrossSection(Z, mass, incidentEnergy) );
  crossSections.push_back( ecpssrShellLi->CalculateL3CrossSection(Z, mass, incidentEnergy) );

  if (ecpssrShellMi) {

    crossSections.push_back( ecpssrShellMi->CalculateM1CrossSection(Z, mass, incidentEnergy) );
    crossSections.push_back( ecpssrShellMi->CalculateM2CrossSection(Z, mass, incidentEnergy) );
    crossSections.push_back( ecpssrShellMi->CalculateM3CrossSection(Z, mass, incidentEnergy) );
    crossSections.push_back( ecpssrShellMi->CalculateM4CrossSection(Z, mass, incidentEnergy) );
    crossSections.push_back( ecpssrShellMi->CalculateM5CrossSection(Z, mass, incidentEnergy) );

  }


  return crossSections;
}

G4double G4teoCrossSection::CrossSection(G4int Z, G4AtomicShellEnumerator shell,
                                         G4double incidentEnergy,
                                         G4double mass,
                                         const G4Material*)
{
  G4double res = 0.0;
  if(shell > 3 && !ecpssrShellMi) {
    return res; 
  } 

  else if(shell > 8) { 
    return res;
  } 
  
  else if(fKShell  == shell) 
    { 
      res = ecpssrShellK->CalculateCrossSection(Z, mass, incidentEnergy);
    } 
  
  else if(fL1Shell == shell) 
    { 
      res = ecpssrShellLi->CalculateL1CrossSection(Z, mass, incidentEnergy);
    } 
  
  else if(fL2Shell == shell) 
    { 
      res = ecpssrShellLi->CalculateL2CrossSection(Z, mass, incidentEnergy);
    } 
  
  else if(fL3Shell == shell) 
    { 
      res = ecpssrShellLi->CalculateL3CrossSection(Z, mass, incidentEnergy);
    }

  else if(fM1Shell == shell) 
    { 
      res = ecpssrShellLi->CalculateL3CrossSection(Z, mass, incidentEnergy);
    }

  else if(fM2Shell == shell) 
    { 
      res = ecpssrShellLi->CalculateL3CrossSection(Z, mass, incidentEnergy);
    }

  else if(fM3Shell == shell) 
    { 
      res = ecpssrShellLi->CalculateL3CrossSection(Z, mass, incidentEnergy);
    }

  else if(fM4Shell == shell) 
    { 
      res = ecpssrShellLi->CalculateL3CrossSection(Z, mass, incidentEnergy);
    }

  else if(fM5Shell == shell) 
    { 
      res = ecpssrShellLi->CalculateL3CrossSection(Z, mass, incidentEnergy);
    }
  return res;
}

std::vector<G4double> G4teoCrossSection::Probabilities(G4int Z,
                                                       G4double incidentEnergy,
                                                       G4double mass,
                                                       G4double deltaEnergy,
                                                       const G4Material*) 
{
  std::vector<G4double> crossSections = 
    GetCrossSection(Z, incidentEnergy, mass, deltaEnergy);

  for (size_t i=0; i<crossSections.size(); i++ ) {
    
    if (totalCS) {
      crossSections[i] = crossSections[i]/totalCS;
    }
    
  }
  return crossSections;
}

void G4teoCrossSection::SetTotalCS(G4double val){

  totalCS = val;
  //  G4cout << "totalXS set to: " << val / barn << " barns" << G4endl;
}

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