Gabriele Cosmo
80 lines
3.3 KiB
C++
80 lines
3.3 KiB
C++
// This code implementation is the intellectual property of
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// the GEANT4 collaboration.
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//
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// By copying, distributing or modifying the Program (or any work
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// based on the Program) you indicate your acceptance of this statement,
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// and all its terms.
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//
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// $Id: G4LETritonInelastic.cc,v 1.1.10.1.2.1 1999/12/08 17:34:56 gunter Exp $
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// GEANT4 tag $Name: geant4-01-01 $
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//
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// Hadronic Process: Triton Inelastic Process
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// J.L. Chuma, TRIUMF, 25-Feb-1997
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// Last modified: 27-Mar-1997
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#include "G4LETritonInelastic.hh"
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#include "Randomize.hh"
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#include "G4Electron.hh"
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G4VParticleChange *
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G4LETritonInelastic::ApplyYourself( const G4Track &aTrack,
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G4Nucleus &targetNucleus )
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{
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theParticleChange.Initialize( aTrack );
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const G4DynamicParticle *originalIncident = aTrack.GetDynamicParticle();
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if (originalIncident->GetKineticEnergy()<= 0.1*MeV) return &theParticleChange;
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if( verboseLevel > 1 )
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{
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G4Material *targetMaterial = aTrack.GetMaterial();
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G4cout << "G4LETritonInelastic::ApplyYourself called" << G4endl;
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G4cout << "kinetic energy = " << originalIncident->GetKineticEnergy()/MeV << "MeV, ";
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G4cout << "target material = " << targetMaterial->GetName() << ", ";
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}
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// Work-around for lack of model above 100 MeV
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if (originalIncident->GetKineticEnergy()/MeV > 100. ||
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originalIncident->GetKineticEnergy() <= 0.) return &theParticleChange;
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G4double N = targetNucleus.GetN();
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G4double Z = targetNucleus.GetZ();
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G4double theAtomicMass = targetNucleus.AtomicMass( N, Z )-(Z)*G4Electron::Electron()->GetPDGMass();
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G4double massVec[9];
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massVec[0] = targetNucleus.AtomicMass( N+3.0, Z+1.0 )-(Z+1.0)*G4Electron::Electron()->GetPDGMass();
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massVec[1] = targetNucleus.AtomicMass( N+2.0, Z+1.0 )-(Z+1.0)*G4Electron::Electron()->GetPDGMass();
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massVec[2] = targetNucleus.AtomicMass( N+2.0, Z )-(Z)*G4Electron::Electron()->GetPDGMass();
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massVec[3] = targetNucleus.AtomicMass( N+1.0, Z )-(Z)*G4Electron::Electron()->GetPDGMass();
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massVec[4] = theAtomicMass;
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massVec[5] = targetNucleus.AtomicMass( N-1.0, Z-1.0 )-(Z-1.0)*G4Electron::Electron()->GetPDGMass();
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massVec[6] = targetNucleus.AtomicMass( N+1.0, Z+1.0 )-(Z+1.0)*G4Electron::Electron()->GetPDGMass();
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massVec[7] = massVec[3];
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massVec[8] = targetNucleus.AtomicMass( N+1.0, Z-1.0 )-(Z-1.0)*G4Electron::Electron()->GetPDGMass();
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G4FastVector<G4ReactionProduct,3> vec; // vec will contain the secondary particles
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G4int vecLen = 0;
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vec.Initialize( 0 );
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theReactionDynamics.NuclearReaction( vec, vecLen, originalIncident,
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targetNucleus, theAtomicMass, massVec );
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G4double p = originalIncident->GetTotalMomentum();
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theParticleChange.SetMomentumChange( originalIncident->GetMomentum() * (1.0/p) );
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theParticleChange.SetEnergyChange( originalIncident->GetKineticEnergy() );
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theParticleChange.SetNumberOfSecondaries( vecLen );
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G4DynamicParticle *pd;
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for( G4int i=0; i<vecLen; ++i )
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{
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pd = new G4DynamicParticle();
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pd->SetDefinition( vec[i]->GetDefinition() );
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pd->SetMomentum( vec[i]->GetMomentum() );
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theParticleChange.AddSecondary( pd );
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}
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return &theParticleChange;
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}
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/* end of file */
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