G4H2O2.cc

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// $Id: G4H2O2.cc 85244 2014-10-27 08:24:13Z gcosmo $
//
// Author: Mathieu Karamitors 
//
// History:
// -----------
// 10 Oct 2011 M.Karamitros created
//
// -------------------------------------------------------------------

#include "G4H2O2.hh"
#include "G4PhysicalConstants.hh"
#include "G4SystemOfUnits.hh"
#include "G4ParticleTable.hh"

// ######################################################################
// ###                         Peroxyde                               ###
// ######################################################################
G4H2O2* G4H2O2::theInstance = 0;

G4H2O2* G4H2O2::Definition()
{
  if (theInstance != 0) return theInstance;

  const G4String name = "H2O2";

  // search in particle table]
  G4ParticleTable* pTable = G4ParticleTable::GetParticleTable();
  G4ParticleDefinition* anInstance = pTable->FindParticle(name);
  if (anInstance == 0)
  {
    const G4String formatedName = "H_{2}O_{2}";

    // create molecule
    //
    //      G4MoleculeDefinition(const G4String& name,
    //          G4double mass,
    //          G4double diffCoeff,
    //          G4int    charge = 0,
    //          G4int    electronicLevels = 0,
    //          G4double radius = -1,
    //          G4int    atomsNumber = -1,
    //          G4double lifetime = -1,
    //          G4String aType = "",
    //          G4FakeParticleID ID = G4FakeParticleID::Create()
    //      );

    G4double mass = 34.01468 * g / Avogadro * c_squared;
    anInstance = new G4MoleculeDefinition(name, mass, 1.4e-9 * (m * m / s), 0, // charge
                                          8, // number of occupancies
                                          3 * angstrom, // radius
                                          4 // number of atoms
                                          );

    ((G4MoleculeDefinition*) anInstance)->SetLevelOccupation(0);
    ((G4MoleculeDefinition*) anInstance)->SetLevelOccupation(1);
    ((G4MoleculeDefinition*) anInstance)->SetLevelOccupation(2);
    ((G4MoleculeDefinition*) anInstance)->SetLevelOccupation(3);
    ((G4MoleculeDefinition*) anInstance)->SetLevelOccupation(4);
    ((G4MoleculeDefinition*) anInstance)->SetLevelOccupation(5);
    ((G4MoleculeDefinition*) anInstance)->SetLevelOccupation(6);
    ((G4MoleculeDefinition*) anInstance)->SetLevelOccupation(7);
    ((G4MoleculeDefinition*) anInstance)->SetFormatedName(formatedName);
  }
  theInstance = reinterpret_cast<G4H2O2*>(anInstance);
  return theInstance;
}