extended/hadronic/Hadr00/src/HistoManager.cc

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// $Id: HistoManager.cc 81073 2014-05-20 10:23:13Z gcosmo $
//
//---------------------------------------------------------------------------
//
// ClassName:   HistoManager
//
//
// Author:      V.Ivanchenko 30/01/01
//
// Modified:
// 04.06.2006 Adoptation of hadr01 (V.Ivanchenko)
//
//----------------------------------------------------------------------------
//

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#include "HistoManager.hh"
#include "G4UnitsTable.hh"
#include "G4Neutron.hh"
#include "globals.hh"
#include "G4ios.hh"
#include "G4ParticleDefinition.hh"
#include "G4ParticleTable.hh"
#include "G4NistManager.hh"
#include "G4HadronicProcessStore.hh"

#include "G4NucleiProperties.hh"
#include "G4NistManager.hh"
#include "G4StableIsotopes.hh"
#include "G4SystemOfUnits.hh"

#include "HistoManagerMessenger.hh"

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HistoManager::HistoManager()
{
  fAnalysisManager = 0;
  fHistoName = "hadr00";

  fNeutron   = G4Neutron::Neutron();
  fMessenger = new HistoManagerMessenger(this);
  fVerbose   = 1;

  fParticleName  = "proton";
  fElementName   = "Al";

  fTargetMaterial = 0;

  fMinKinEnergy  = 0.1*MeV;
  fMaxKinEnergy  = 10*TeV;
  fMinMomentum   = 1*MeV;
  fMaxMomentum   = 10*TeV;

  fBinsE    = 800;
  fBinsP    = 700;
}

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HistoManager::~HistoManager()
{
  delete fMessenger;
}

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void HistoManager::BeginOfRun()
{
  G4double p1 = std::log10(fMinMomentum/GeV);
  G4double p2 = std::log10(fMaxMomentum/GeV);
  G4double e1 = std::log10(fMinKinEnergy/MeV);
  G4double e2 = std::log10(fMaxKinEnergy/MeV);

  //G4cout<<"e1= "<<e1<<" e2= "<<e2<<" p1= "<<p1<<" p2= "<<p2<<G4endl;

  fAnalysisManager = G4AnalysisManager::Instance();
  fAnalysisManager->OpenFile(fHistoName+".root"); 
  fAnalysisManager->SetFirstHistoId(1);

  fAnalysisManager->CreateH1("h1",
     "Elastic cross section (barn) as a functions of log10(p/GeV)",
                  fBinsP,p1,p2);
  fAnalysisManager->CreateH1("h2",
     "Elastic cross section (barn) as a functions of log10(E/MeV)",
                  fBinsE,e1,e2);
  fAnalysisManager->CreateH1("h3",
     "Inelastic cross section (barn) as a functions of log10(p/GeV)",
                  fBinsP,p1,p2);
  fAnalysisManager->CreateH1("h4",
     "Inelastic cross section (barn) as a functions of log10(E/MeV)",
                  fBinsE,e1,e2);
  fAnalysisManager->CreateH1("h5",
     "Capture cross section (barn) as a functions of log10(E/MeV)",
                  fBinsE,e1,e2);
  fAnalysisManager->CreateH1("h6",
     "Fission cross section (barn) as a functions of log10(E/MeV)",
                  fBinsE,e1,e2);
  fAnalysisManager->CreateH1("h7",
     "Charge exchange cross section (barn) as a functions of log10(E/MeV)",
                  fBinsE,e1,e2);
  fAnalysisManager->CreateH1("h8",
     "Total cross section (barn) as a functions of log10(E/MeV)",
                  fBinsE,e1,e2);
  fAnalysisManager->CreateH1("h9",
     "Inelastic cross section per volume as a functions of log10(E/MeV)",
                  fBinsE,e1,e2);
  fAnalysisManager->CreateH1("h10",
     "Elastic cross section per volume as a functions of log10(E/MeV)",
                  fBinsE,e1,e2);
}

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void HistoManager::EndOfRun()
{
  if(fVerbose > 0) {
    G4cout << "HistoManager: End of run actions are started" << G4endl;
  }

  const G4Element* elm = 
    G4NistManager::Instance()->FindOrBuildElement(fElementName);
  const G4Material* mat = 
    G4NistManager::Instance()->FindOrBuildMaterial("G4_"+fElementName);
  const G4ParticleDefinition* particle = 
    G4ParticleTable::GetParticleTable()->FindParticle(fParticleName);

  G4cout << "### Fill Cross Sections for " << fParticleName 
         << " off " << fElementName
         << G4endl;
  if(fVerbose > 0) {
    G4cout << "-------------------------------------------------------------" 
           << G4endl;
    G4cout << "    N     E(MeV)   Elastic(b)   Inelastic(b)";
    if(particle == fNeutron) { G4cout << " Capture(b)   Fission(b)"; }
    G4cout << "   Total(b)" << G4endl;     
    G4cout << "-------------------------------------------------------------" 
           << G4endl;
  }
  if(!particle || !elm) {
    G4cout << "HistoManager WARNING Particle or element undefined" << G4endl;
    return;
  }

  G4int prec = G4cout.precision();
  G4cout.precision(4);

  G4HadronicProcessStore* store = G4HadronicProcessStore::Instance();
  G4double mass = particle->GetPDGMass();

  // Build histograms

  G4double p1 = std::log10(fMinMomentum/GeV);
  G4double p2 = std::log10(fMaxMomentum/GeV);
  G4double e1 = std::log10(fMinKinEnergy/MeV);
  G4double e2 = std::log10(fMaxKinEnergy/MeV);
  G4double de = (e2 - e1)/G4double(fBinsE);
  G4double dp = (p2 - p1)/G4double(fBinsP);

  G4double x  = e1 - de*0.5; 
  G4double e, p, xs, xtot;
  G4int i;

  G4double coeff = 1.0;
  if(fTargetMaterial) { coeff = fTargetMaterial->GetDensity()*cm2/g; }

  for(i=0; i<fBinsE; i++) {
    x += de;
    e  = std::pow(10.,x)*MeV;
    if(fVerbose>0) G4cout << std::setw(5) << i << std::setw(12) << e;  
    xs = store->GetElasticCrossSectionPerAtom(particle,e,elm,mat);
    xtot = xs;
    if(fVerbose>0) G4cout << std::setw(12) << xs/barn;  
    fAnalysisManager->FillH1(2, x, xs/barn);    
    xs = store->GetInelasticCrossSectionPerAtom(particle,e,elm,mat);
    xtot += xs;
    if(fVerbose>0) G4cout << " " << std::setw(12) << xs/barn;  
    fAnalysisManager->FillH1(4, x, xs/barn);
    if(fTargetMaterial) {
      xs = 
        store->GetInelasticCrossSectionPerVolume(particle,e,fTargetMaterial);
      fAnalysisManager->FillH1(9, x, xs/coeff);
      xs = 
        store->GetElasticCrossSectionPerVolume(particle,e,fTargetMaterial);
      fAnalysisManager->FillH1(10, x, xs/coeff);
    }
    if(particle == fNeutron) {
      xs = store->GetCaptureCrossSectionPerAtom(particle,e,elm,mat);
      xtot += xs;
      if(fVerbose>0) G4cout << " " << std::setw(12) << xs/barn;  
      fAnalysisManager->FillH1(5, x, xs/barn);    
      xs = store->GetFissionCrossSectionPerAtom(particle,e,elm,mat);
      xtot += xs;
      if(fVerbose>0) G4cout << " " << std::setw(12) << xs/barn;  
      fAnalysisManager->FillH1(6, x, xs/barn);    
    }
    xs = store->GetChargeExchangeCrossSectionPerAtom(particle,e,elm,mat);
    if(fVerbose>0) G4cout << " " << std::setw(12) << xtot/barn << G4endl;   
    fAnalysisManager->FillH1(7, x, xs/barn);    
    fAnalysisManager->FillH1(8, x, xtot/barn);    
  }

  x = p1 - dp*0.5; 
  for(i=0; i<fBinsP; i++) {
    x += dp;
    p  = std::pow(10.,x)*GeV;
    e  = std::sqrt(p*p + mass*mass) - mass;
    xs = store->GetElasticCrossSectionPerAtom(particle,e,elm,mat);
    fAnalysisManager->FillH1(1, x, xs/barn);    
    xs = store->GetInelasticCrossSectionPerAtom(particle,e,elm,mat);
    fAnalysisManager->FillH1(3, x, xs/barn); 
  }
  if(fVerbose > 0) {
    G4cout << "-------------------------------------------------------------" 
           << G4endl;
  }
  G4cout.precision(prec);
  fAnalysisManager->Write();
  fAnalysisManager->CloseFile();

  delete fAnalysisManager;
}

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void HistoManager::SetVerbose(G4int val)        
{
  fVerbose = val; 
}

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