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Remove ke_offset in PrimaryGeneratorAction since it causes confusion

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and inconsistencies. Instead, add another homogeneous accelerating
electric field in front of TD foil.
Update TD and MCP2 positions.
This commit is contained in:
prokscha
2008-11-07 15:18:39 +00:00
parent 94797630f1
commit 5705835d11
3 changed files with 74 additions and 45 deletions
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7
geant4/LEMuSR/src/lem4PrimaryGeneratorAction.cc
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@ -79,10 +79,10 @@ void lem4PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
// }
G4double x, y, z;
G4double p, ke_offset;
G4double p;// ke_offset;
G4double xangle, yangle;
ke_offset = 3.73*keV; // Kin. energy offset due to a 3.73 kV acceleration at the Carbon foil
//ke_offset = 3.73*keV; // Kin. energy offset due to a 3.73 kV acceleration at the Carbon foil
if (takeMuonsFromTurtleFile) {
char line[501];
@ -219,7 +219,8 @@ void lem4PrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
particleGun->SetParticlePosition(G4ThreeVector(x,y,z));
//particleGun->SetParticleMomentum(G4ThreeVector(px,py,pz));
G4double particleEnergy = std::sqrt(p*p+mu_mass*mu_mass)-mu_mass;
particleGun->SetParticleEnergy(particleEnergy + ke_offset);
//particleGun->SetParticleEnergy(particleEnergy+ke_offset);
particleGun->SetParticleEnergy(particleEnergy);
particleGun->SetParticleMomentumDirection(G4ThreeVector(px,py,pz));
particleGun->SetParticlePolarization(G4ThreeVector(xpolaris,ypolaris,zpolaris));
particleGun->GeneratePrimaryVertex(anEvent);