Gabriele Cosmo
87 lines
3.8 KiB
C++
87 lines
3.8 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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// $Id: G4HEAntiSigmaZeroInelastic.cc,v 1.6 2001/08/01 17:09:53 hpw Exp $
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// GEANT4 tag $Name: geant4-04-00 $
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//
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//
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#include "globals.hh"
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#include "G4ios.hh"
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//
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// G4 Process: Gheisha High Energy Collision model.
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// This includes the high energy cascading model, the two-body-resonance model
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// and the low energy two-body model. Not included are the low energy stuff like
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// nuclear reactions, nuclear fission without any cascading and all processes for
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// particles at rest.
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// First work done by J.L.Chuma and F.W.Jones, TRIUMF, June 96.
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// H. Fesefeldt, RWTH-Aachen, 23-October-1996
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// Last modified: 29-July-1998
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#include "G4HEAntiSigmaZeroInelastic.hh"
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#include "G4Gamma.hh"
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G4VParticleChange * G4HEAntiSigmaZeroInelastic::
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ApplyYourself( const G4Track &aTrack, G4Nucleus &targetNucleus )
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{
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G4HEVector * pv = new G4HEVector[MAXPART];
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theParticleChange.Initialize( aTrack );
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const G4DynamicParticle *aParticle = aTrack.GetDynamicParticle();
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G4HEVector incidentParticle(aParticle);
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G4HEAntiLambdaInelastic theAntiLambdaInelastic;
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theAntiLambdaInelastic.SetMaxNumberOfSecondaries(MAXPART);
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theAntiLambdaInelastic.SetVerboseLevel(verboseLevel);
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G4double incidentTotalMomentum = incidentParticle.getTotalMomentum();
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G4double pgam = G4UniformRand()*incidentTotalMomentum*0.75;
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G4HEVector incidentAntiLambda;
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incidentAntiLambda.SmulAndUpdate( incidentParticle,
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(incidentTotalMomentum - pgam)/incidentTotalMomentum);
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G4DynamicParticle * aLambda = new G4DynamicParticle();
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aLambda->SetDefinition(G4AntiLambda::AntiLambda());
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G4Track aLambdaTrack(aLambda, 0, aTrack.GetPosition());
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aLambda->SetMomentum(incidentAntiLambda.getMomentum());
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G4VParticleChange * result = theAntiLambdaInelastic.ApplyYourself(aLambdaTrack, targetNucleus);
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vecLength = theAntiLambdaInelastic.GetNumberOfSecondaries();
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pv[vecLength] = Gamma;
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pv[vecLength].setMomentum(incidentParticle.getMomentum());
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pv[vecLength].SmulAndUpdate( pv[vecLength],pgam/incidentTotalMomentum);
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G4DynamicParticle * aPhoton = new G4DynamicParticle();
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aPhoton->SetDefinition(G4Gamma::Gamma());
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aPhoton->SetMomentum(pv[vecLength].getMomentum());
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G4Track * aGammaTrack = new G4Track(aPhoton, aTrack.GetGlobalTime(), aTrack.GetPosition());
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result->AddSecondary(aGammaTrack);
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delete [] pv;
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return result;
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}
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