G4MuonicAtomHelper.cc

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// $Id: G4MuonicAtomHelper.cc 96797 2016-05-09 10:13:42Z gcosmo $
//
// 
// --------------------------------------------------------------
//  GEANT 4 class implementation file 
//
//  History: first implementation, 1 July 16 K.Lynch
// ---------------------------------------------------------------

#include "G4MuonicAtomHelper.hh"

G4MuonicAtom* 
G4MuonicAtomHelper::ConstructMuonicAtom(G4String name, G4int encoding, G4Ions const* baseion){

  // mass calculation is missing binding energy correction
  //auto const mass = G4MuonMinus::Definition()->GetPDGMass() + baseion->GetPDGMass();
  auto const mass = 0.1056583715*CLHEP::GeV + baseion->GetPDGMass();
  // what should static charge be?  for G4Ions, it is Z ... should it
  // be Z-1 here (since there will always be a muon attached), or Z?
  auto const charge = baseion->GetPDGCharge(); 
  
  auto muatom = new G4MuonicAtom(name, mass, 0.0, charge, 
                 baseion->GetPDGiSpin(),
                 baseion->GetPDGiParity(),
                 baseion->GetPDGiConjugation(),
                 baseion->GetPDGiIsospin(),
                 baseion->GetPDGiIsospin3(),
                 baseion->GetPDGiGParity(),
                 baseion->GetParticleType(),
                 baseion->GetLeptonNumber(),
                 baseion->GetBaryonNumber(),
                 encoding,
                 baseion->GetPDGStable(),
                 // TODO: this is wrong ... need to
                 // get correct muonic atom lifetime.
                 // but see next comment
                 baseion->GetPDGLifeTime(),
                 // TODO: this is _definitely_ wrong:
                 // we need to add muonic atom decay
                 // channels ... do we try to support
                 // other modes of decay, or do we
                 // just assume for now that we don't
                 // need to worry about radioactive
                 // decay and the like?
                 baseion->GetDecayTable(),
                 baseion->IsShortLived(),
                 baseion->GetParticleSubType());

  muatom->SetPDGMagneticMoment(baseion->GetPDGMagneticMoment());
  return muatom;
}