Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/processes/hadronic/util/src/G4HadProjectile.cc

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 25 //
 26 #include "G4HadProjectile.hh"
 27 #include "G4Track.hh"
 28 #include "G4DynamicParticle.hh"
 29 
 30 G4HadProjectile::G4HadProjectile() 
 31   : theMat(nullptr),theTime(0.0),theBoundEnergy(0.0)
 32 {
 33   theDef = nullptr;
 34   theMass = 0.0;
 35   theKinEnergy = 0.0;
 36   theDirection.set(0.,0.,0.);
 37   theMom.set(0.,0.,0.,0.);
 38 }
 39 
 40 G4HadProjectile::G4HadProjectile(const G4Track &aT) 
 41 {
 42   Initialise(aT);
 43 }
 44 
 45 G4HadProjectile::G4HadProjectile(const G4DynamicParticle & dp) 
 46   : theMat(nullptr),theTime(0.0),theBoundEnergy(0.0)
 47 {
 48   InitialiseLocal(&dp);
 49 }
 50 
 51 G4HadProjectile::~G4HadProjectile()
 52 {}
 53 
 54 void G4HadProjectile::Initialise(const G4Track &aT)
 55 {
 56   theMat = aT.GetMaterial();
 57   //VI time of interaction starts from zero
 58   //   not global time of a track
 59   theTime = 0.0;
 60   theBoundEnergy = 0.0;
 61   
 62   InitialiseLocal(aT.GetDynamicParticle());
 63 }
 64 
 65 void G4HadProjectile::InitialiseLocal(const G4DynamicParticle* dp)
 66 {
 67   theDef = dp->GetDefinition();
 68   theDirection = dp->GetMomentumDirection();
 69   theMass = theDef->GetPDGMass();
 70   theKinEnergy = dp->GetKineticEnergy();
 71 
 72   G4LorentzVector theOrgMom = dp->Get4Momentum();
 73   G4LorentzRotation toZ;
 74   toZ.rotateZ(-theOrgMom.phi());
 75   toZ.rotateY(-theOrgMom.theta());
 76   toLabFrame = toZ.inverse();
 77 
 78   theMom.set(0.,0.,std::sqrt(theKinEnergy*(theKinEnergy + 2.0*theMass)),
 79              theMass+theKinEnergy);
 80 }
 81 
 82