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XPhononStackingAction.cc
Go to the documentation of this file. Or view the newest version in sPHENIX GitHub for file XPhononStackingAction.cc
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33 
34 #include "XPhononStackingAction.hh"
35 #include "G4LatticeManager.hh"
36 #include "G4PhononLong.hh"
37 #include "G4PhononPolarization.hh"
38 #include "G4PhononTrackMap.hh"
39 #include "G4PhononTransFast.hh"
40 #include "G4PhononTransSlow.hh"
41 #include "G4RandomDirection.hh"
42 #include "G4SystemOfUnits.hh"
43 #include "G4ThreeVector.hh"
44 #include "G4Track.hh"
45 #include "G4TrackStatus.hh"
46 
47 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
48 
49 XPhononStackingAction::XPhononStackingAction() {;}
50 
51 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
52 
53 XPhononStackingAction::~XPhononStackingAction() {;}
54 
55 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
56 
57 G4ClassificationOfNewTrack
58 XPhononStackingAction::ClassifyNewTrack(const G4Track* aTrack) {
59  G4ClassificationOfNewTrack classification = fUrgent;
60 
61  if (aTrack->GetParentID() == 0) {
62  //Obtain LatticeManager for phonon dynamics
63  G4LatticeManager* LM = G4LatticeManager::GetLatticeManager();
64 
65  G4int pol = G4PhononPolarization::Get(aTrack->GetDefinition());
66 
67  //Compute random wave-vector (override whatever ParticleGun did)
68  G4ThreeVector Ran = G4RandomDirection();
69 
70  //Store wave-vector as track information
71  G4PhononTrackMap* theKmap = G4PhononTrackMap::GetPhononTrackMap();
72  theKmap->SetK(aTrack, Ran);
73 
74  //Compute direction of propagation from wave vector
75  G4ThreeVector momentumDir = LM->MapKtoVDir(aTrack->GetVolume(), pol, Ran);
76 
77  //Compute true velocity of propagation
78  G4double velocity = LM->MapKtoV(aTrack->GetVolume(), pol, Ran);
79 
80  //cast to non-const pointer so we can set the velocity
81  G4Track* theTrack = const_cast<G4Track*>(aTrack);
82 
83  theTrack->SetMomentumDirection(momentumDir);
84  theTrack->SetVelocity(velocity);
85  theTrack->UseGivenVelocity(true);
86  }
87 
88  return classification;
89 }
90 
91 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
92