G4LDMPhoton.cc

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//
// $Id: G4LDMPhoton.cc 66817 2013-01-12 16:16:08Z gcosmo $
//
//---------------------------------------------------------------------------
//
// ClassName:   G4LDMPhoton
//  
// Description: 
//
// 15.03.17  V. Grichine based on G4Monopole
//
// Modified:
//

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#include "G4LDMPhoton.hh"
#include "G4ParticleTable.hh"
#include "G4PhysicalConstants.hh"
#include "G4SystemOfUnits.hh"
#include "G4DecayTable.hh"
#include "G4VDecayChannel.hh"
#include "G4PhaseSpaceDecayChannel.hh"

G4LDMPhoton* G4LDMPhoton::theLDMPhoton = nullptr;

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G4LDMPhoton::G4LDMPhoton(
       const G4String&     aName,        G4double            mass,
       G4double            width,        G4double            charge,   
       G4int               iSpin,        G4int               iParity,    
       G4int               iConjugation, G4int               iIsospin,   
       G4int               iIsospin3,    G4int               gParity,
       const G4String&     pType,        G4int               lepton,      
       G4int               baryon,       G4int               encoding,
       G4bool              stable,       G4double            lifetime,
       G4DecayTable        *decaytable)
 : G4ParticleDefinition( aName, mass, width, charge, iSpin, iParity,
           iConjugation, iIsospin, iIsospin3, gParity, pType,
           lepton, baryon, encoding, stable, lifetime, decaytable )
{}

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G4LDMPhoton::~G4LDMPhoton()
{}

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//     
//    Arguments for constructor are as follows
//               name             mass          width         charge
//             2*spin           parity  C-conjugation
//          2*Isospin       2*Isospin3       G-parity
//               type    lepton number  baryon number   PDG encoding
//             stable         lifetime    decay table 
//
//

G4LDMPhoton* G4LDMPhoton::LDMPhotonDefinition(G4double mass)
{    
  if(!theLDMPhoton) 
  {
    theLDMPhoton = new G4LDMPhoton(
       "ldmphoton",         mass,       5.317e-14*MeV,       0, 
                2,               -1,             -1,          
                0,               0,             0,             
          "boson",               0,             0,           50,
             true,            12.380*ns,             NULL);
    
    //create Decay Table
    G4DecayTable* table = new G4DecayTable();

    // create decay channels
    G4VDecayChannel** mode = new G4VDecayChannel*[3];
    // 
    mode[0] = 
      new G4PhaseSpaceDecayChannel("ldmphoton",0.999,2,"ldmhi","ldmhibar");
    // 
    mode[1] = new G4PhaseSpaceDecayChannel("ldmphoton",0.0005,2,"mu+","mu-");
    // 
    mode[2] = new G4PhaseSpaceDecayChannel("ldmphoton",0.0005,3,"pi+","pi-");

    for (G4int index=0; index <3; index++ ) table->Insert(mode[index]);

    delete [] mode;

    theLDMPhoton->SetDecayTable(table);
     
    G4cout << "LDMPhoton is created: m(GeV)= " 
           << theLDMPhoton->GetPDGMass()/GeV << G4endl;
  }
  return theLDMPhoton;
}

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G4LDMPhoton* G4LDMPhoton::LDMPhoton()
{    
  return theLDMPhoton;
} 

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