source: trunk/source/processes/hadronic/models/de_excitation/multifragmentation/test/MFTestHisto.cc @ 1199

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26//
27// Igor Pshenichnov 10.05.2008
28// This main{} used to run standalone tests for multifragmentation of excited nuclei
29// ROOT installation is reqired
30 
31
32#include "G4StatMF.hh"
33#include "G4NucleiProperties.hh"
34#include "MFTestHistoManager.hh"
35#include "Randomize.hh"
36
37#ifdef G4ANALYSIS_USE_ROOT
38#include "TFile.h"
39#include "TH1D.h"
40#include "TH2D.h"
41#endif
42
43#include "MFTestHistoManager.cc"
44
45int main()
46{
47  // The user will be asked for the charge and mass of the hot nuclear system to
48  // simulate decay.
49
50  MFTestHistoManager histoManager;
51
52  // Histograms will be booked now.
53  histoManager.BookHisto();
54
55  G4int A = histoManager.GetA();
56  G4int Z = histoManager.GetZ();
57   
58  G4StatMF model;
59
60  G4LorentzVector p4null(0.0,0.0,0.0,0.0);
61
62
63  G4double totalNumFragments = 0.;
64  G4int thisEventNumFragments = 0;
65
66  G4int iterations = histoManager.GetIterations();
67
68  std::cout.setf(std::ios::scientific,std::ios::floatfield);
69
70  for (G4int i = 0; i < iterations; ++i) {
71
72  G4double energy = (histoManager.GetUpEn() - histoManager.GetLowEn())*G4UniformRand() 
73                                                             + histoManager.GetLowEn();
74
75  G4double NuclearMass = G4NucleiProperties::GetNuclearMass(A,Z) + energy;
76  G4LorentzVector p4(0.0,0.0,0.0,NuclearMass);
77  G4Fragment aFragment(A,Z,p4);
78                                                         
79  G4LorentzVector p4cons;
80  p4cons = p4null;
81     
82  G4FragmentVector * theResult = model.BreakItUp(aFragment);
83  thisEventNumFragments = theResult->size();
84  if ( i%100 == 0 ) std::cout << "### event " << i << " at " 
85                              << energy/A << " MeV/nucleon" 
86                              << " with "<< thisEventNumFragments <<" fragments #####\n";
87  histoManager.fill(0,energy/A,thisEventNumFragments);
88
89  totalNumFragments += thisEventNumFragments;
90 
91  for (G4FragmentVector::iterator i = theResult->begin(); i != theResult->end(); ++i)
92    {
93      p4cons += (*i)->GetMomentum();
94
95      G4double thisFragmentZ = (*i)->GetZ();
96      G4double thisFragmentA = (*i)->GetA();
97      histoManager.fill2(0,energy/A,thisFragmentZ,1.);
98      histoManager.fill2(1,energy/A,thisFragmentA,1.);
99     
100      histoManager.fill(3,thisFragmentA,thisFragmentZ);
101      histoManager.fill(4,thisFragmentA,1.);
102       
103      if ( (int)thisFragmentZ == 6 && (int)thisFragmentA == 10) {
104        histoManager.fill(1,energy/A,1.);
105      }
106      if ( (int)thisFragmentZ == 6 && (int)thisFragmentA == 11) {
107        histoManager.fill(2,energy/A,1.);
108      }
109                     
110      delete (*i);
111    }
112  delete theResult;
113  }
114
115  std::cout << " ------------------------------------------------------------------  " << '\n';
116  std::cout << " Average fragment multiplicty for the whole energy range: " 
117            << totalNumFragments/iterations << '\n';
118 
119  histoManager.NormalizeHisto();
120  histoManager.CleanHisto();
121
122  return 0;
123}
124
125
126     
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