ECCE @ EIC Software
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Groups Pages
G4ParaFissionModel.hh
Go to the documentation of this file. Or view the newest version in sPHENIX GitHub for file G4ParaFissionModel.hh
1 //
2 // ********************************************************************
3 // * License and Disclaimer *
4 // * *
5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. *
10 // * *
11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitation of liability. *
17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Software license. *
24 // ********************************************************************
25 //
26 #ifndef G4ParaFissionModel_h
27 #define G4ParaFissionModel_h 1
28 
29 #include "G4CompetitiveFission.hh"
30 #include "G4ExcitationHandler.hh"
31 #include "G4HadronicInteraction.hh"
32 #include "G4NucleiProperties.hh"
33 //#include "G4ParticleTable.hh"
34 
35 // Class Description
36 // Final state production model for (based on evaluated data
37 // libraries) description of neutron induced fission below 60 MeV;
38 // In case you need the fission fragments, use this model.
39 // To be used in your physics list in case you need this physics.
40 // In this case you want to register an object of this class with
41 // the corresponding process.
42 
43 
45 {
46 public:
47 
49  {
50  SetMinEnergy( 0.0 );
51  SetMaxEnergy( 60.*MeV );
52  }
53 
54  virtual ~G4ParaFissionModel() {};
55 
57  G4Nucleus& theNucleus)
58  {
62 
63  // prepare the fragment
64 
65  G4int A = theNucleus.GetA_asInt();
66  G4int Z = theNucleus.GetZ_asInt();
68 
69  G4int numberOfEx = aTrack.GetDefinition()->GetBaryonNumber();
70  G4int numberOfCh = G4int(aTrack.GetDefinition()->GetPDGCharge() + 0.5);
71  G4int numberOfHoles = 0;
72 
73  A += numberOfEx;
74  Z += numberOfCh;
75 
76  G4LorentzVector v = aTrack.Get4Momentum() + G4LorentzVector(0.0,0.0,0.0,nucMass);
77  G4Fragment anInitialState(A,Z,v);
78  anInitialState.SetNumberOfExcitedParticle(numberOfEx,numberOfCh);
79  anInitialState.SetNumberOfHoles(0,0);
80 
81  // do the fission
82  G4FragmentVector * theFissionResult = theFission.BreakUp(anInitialState);
83 
84  // deexcite the fission fragments and fill result
85 
86  G4int ll = theFissionResult->size();
87  for(G4int i=0; i<ll; i++)
88  {
89  G4ReactionProductVector* theExcitationResult = 0;
90  G4Fragment* aFragment = (*theFissionResult)[i];
91  if(aFragment->GetExcitationEnergy() > keV)
92  {
93  theExcitationResult = theHandler.BreakItUp(*aFragment);
94 
95  // add secondaries
96  for(G4int j = 0; j < G4int(theExcitationResult->size()); j++)
97  {
98  G4ReactionProduct* rp0 = (*theExcitationResult)[j];
99  G4DynamicParticle* p0 =
100  new G4DynamicParticle(rp0->GetDefinition(),rp0->GetMomentum());
102  delete rp0;
103  }
104  delete theExcitationResult;
105  }
106  else
107  {
108  // add secondary
109  G4DynamicParticle* p0 =
110  new G4DynamicParticle(aFragment->GetParticleDefinition(),
111  aFragment->GetMomentum());
113  }
114  delete aFragment;
115  }
116 
117  delete theFissionResult;
118 
119  return &theParticleChange;
120  }
121 private:
122 
125 
127 };
128 #endif