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Implementation of initial beam direction command. For now works only for +-z direction.

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This commit is contained in:
salman
2011-01-03 13:41:37 +00:00
parent f6ccd6cc75
commit 651bc448f0
4 changed files with 24 additions and 3 deletions
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14
src/musrPrimaryGeneratorAction.cc
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@@ -271,8 +271,8 @@ void musrPrimaryGeneratorAction::GeneratePrimaries(G4Event* anEvent)
G4double px, py, pz;
px = p*sin(xangle);
py = p*sin(yangle);
pz = std::sqrt(p*p - px*px - py*py);
// works for beam along +-z only for now
pz = zDirection * std::sqrt(p*p - px*px - py*py);
// Assign spin
G4double xpolaris=0, ypolaris=0, zpolaris=0;
@@ -381,6 +381,16 @@ void musrPrimaryGeneratorAction::SetInitialMuonPolariz(G4ThreeVector vIniPol)
}
}
//===============================================================================
void musrPrimaryGeneratorAction::SetBeamDirection(G4ThreeVector vIniDir)
{
G4double magnitude=vIniDir.mag();
xDirection=vIniDir(0)/magnitude;
yDirection=vIniDir(1)/magnitude;
zDirection=vIniDir(2)/magnitude;
G4cout<< "Initial Beam Direction set to ("<<xDirection<<","<<yDirection<<","<<zDirection<<")"<<G4endl;
}
//===============================================================================
void musrPrimaryGeneratorAction::SetMuonDecayTimeLimits(G4ThreeVector decayTimeLimits) {
muonDecayTimeMin = decayTimeLimits[0];