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// $Id: G4UnboundPN.cc,v 1.5 2010/06/25 09:45:06 gunter Exp $
// GEANT4 tag $Name: hadr-casc-V09-03-85 $
//
// ------------------------------------------------------------
//      Bertini Cascade unboundPN class implementation file
//
//      History: first implementation, inspired by G4Proton
//      17 Nov 2009:  Michael Kelsey
//	06 Apr 2010:  Do G4Ions initialization in ctor.
//	13 Apr 2010:  Per Kurashige, inherit from G4VShortLivedParticle.
//	06 May 2010:  Remove created particle from master table.
// ----------------------------------------------------------------

#include "G4UnboundPN.hh"

#include "globals.hh"
#include "G4ios.hh"
#include "G4ParticleTable.hh"

// ######################################################################
// ###                          UNBOUNDPN                             ###
// ######################################################################
G4UnboundPN* G4UnboundPN::theInstance = 0;

//    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
G4UnboundPN::G4UnboundPN()
  : G4VShortLivedParticle("unboundPN",
			  (proton_mass_c2+neutron_mass_c2), 0.0*MeV, +1.*eplus, 
			  2,       +1,       0,          
			  2,        0,       0,             
			  "nucleus",        0,      +2, 0, /* ? 100010020 */
			  true,       0.,    NULL) {}

G4UnboundPN* G4UnboundPN::Definition() {
  if (0 == theInstance) {
    theInstance = new G4UnboundPN;	// There can be only one

    G4ParticleTable* pTable = G4ParticleTable::GetParticleTable();
    pTable->Remove(theInstance);	// Make invisible to GEANT4
  }

  return theInstance;
}

// Simple call-throughs
G4UnboundPN* G4UnboundPN::UnboundPNDefinition() { return Definition(); }
G4UnboundPN* G4UnboundPN::UnboundPN()           { return Definition(); }
