Gabriele Cosmo
96 lines
4.5 KiB
C++
96 lines
4.5 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * authors in the GEANT4 collaboration. *
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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 *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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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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// J.L. Chuma, 08-May-2001: Update original incident passed back in vec[0]
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// from NuclearReaction
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//
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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,4> 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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//
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G4double p = vec[0]->GetMomentum().mag();
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theParticleChange.SetMomentumChange( vec[0]->GetMomentum()*(1./p) );
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theParticleChange.SetEnergyChange( vec[0]->GetKineticEnergy() );
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//
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theParticleChange.SetNumberOfSecondaries( vecLen-1 );
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G4DynamicParticle *pd;
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for( G4int i=1; 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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delete vec[i];
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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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