1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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9 | // * include a list of copyright holders. * |
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10 | // * * |
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11 | // * Neither the authors of this software system, nor their employing * |
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13 | // * work make any representation or warranty, express or implied, * |
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14 | // * regarding this software system or assume any liability for its * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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16 | // * for the full disclaimer and the limitation of liability. * |
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17 | // * * |
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18 | // * This code implementation is the result of the scientific and * |
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19 | // * technical work of the GEANT4 collaboration. * |
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20 | // * By using, copying, modifying or distributing the software (or * |
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23 | // * acceptance of all terms of the Geant4 Software license. * |
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24 | // ******************************************************************** |
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25 | // |
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26 | // |
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27 | // Igor Pshenichnov 10.05.2008 |
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28 | // This main{} used to run standalone tests for multifragmentation of excited nuclei |
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29 | // ROOT installation is reqired |
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30 | |
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31 | |
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32 | #include "G4StatMF.hh" |
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33 | #include "G4NucleiProperties.hh" |
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34 | #include "MFTestHistoManager.hh" |
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35 | #include "Randomize.hh" |
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36 | |
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37 | #ifdef G4ANALYSIS_USE_ROOT |
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38 | #include "TFile.h" |
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39 | #include "TH1D.h" |
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40 | #include "TH2D.h" |
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41 | #endif |
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42 | |
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43 | #include "MFTestHistoManager.cc" |
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44 | |
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45 | int main() |
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46 | { |
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47 | // The user will be asked for the charge and mass of the hot nuclear system to |
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48 | // simulate decay. |
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49 | |
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50 | MFTestHistoManager histoManager; |
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51 | |
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52 | // Histograms will be booked now. |
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53 | histoManager.BookHisto(); |
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54 | |
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55 | G4int A = histoManager.GetA(); |
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56 | G4int Z = histoManager.GetZ(); |
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57 | |
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58 | G4StatMF model; |
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59 | |
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60 | G4LorentzVector p4null(0.0,0.0,0.0,0.0); |
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61 | |
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62 | |
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63 | G4double totalNumFragments = 0.; |
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64 | G4int thisEventNumFragments = 0; |
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65 | |
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66 | G4int iterations = histoManager.GetIterations(); |
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67 | |
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68 | std::cout.setf(std::ios::scientific,std::ios::floatfield); |
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69 | |
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70 | for (G4int i = 0; i < iterations; ++i) { |
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71 | |
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72 | G4double energy = (histoManager.GetUpEn() - histoManager.GetLowEn())*G4UniformRand() |
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73 | + histoManager.GetLowEn(); |
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74 | |
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75 | G4double NuclearMass = G4NucleiProperties::GetNuclearMass(A,Z) + energy; |
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76 | G4LorentzVector p4(0.0,0.0,0.0,NuclearMass); |
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77 | G4Fragment aFragment(A,Z,p4); |
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78 | |
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79 | G4LorentzVector p4cons; |
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80 | p4cons = p4null; |
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81 | |
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82 | G4FragmentVector * theResult = model.BreakItUp(aFragment); |
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83 | thisEventNumFragments = theResult->size(); |
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84 | if ( i%100 == 0 ) std::cout << "### event " << i << " at " |
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85 | << energy/A << " MeV/nucleon" |
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86 | << " with "<< thisEventNumFragments <<" fragments #####\n"; |
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87 | histoManager.fill(0,energy/A,thisEventNumFragments); |
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88 | |
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89 | totalNumFragments += thisEventNumFragments; |
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90 | |
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91 | for (G4FragmentVector::iterator i = theResult->begin(); i != theResult->end(); ++i) |
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92 | { |
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93 | p4cons += (*i)->GetMomentum(); |
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94 | |
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95 | G4double thisFragmentZ = (*i)->GetZ(); |
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96 | G4double thisFragmentA = (*i)->GetA(); |
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97 | histoManager.fill2(0,energy/A,thisFragmentZ,1.); |
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98 | histoManager.fill2(1,energy/A,thisFragmentA,1.); |
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99 | |
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100 | histoManager.fill(3,thisFragmentA,thisFragmentZ); |
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101 | histoManager.fill(4,thisFragmentA,1.); |
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102 | |
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103 | if ( (int)thisFragmentZ == 6 && (int)thisFragmentA == 10) { |
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104 | histoManager.fill(1,energy/A,1.); |
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105 | } |
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106 | if ( (int)thisFragmentZ == 6 && (int)thisFragmentA == 11) { |
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107 | histoManager.fill(2,energy/A,1.); |
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108 | } |
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109 | |
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110 | delete (*i); |
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111 | } |
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112 | delete theResult; |
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113 | } |
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114 | |
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115 | std::cout << " ------------------------------------------------------------------ " << '\n'; |
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116 | std::cout << " Average fragment multiplicty for the whole energy range: " |
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117 | << totalNumFragments/iterations << '\n'; |
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118 | |
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119 | histoManager.NormalizeHisto(); |
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120 | histoManager.CleanHisto(); |
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121 | |
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122 | return 0; |
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123 | } |
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124 | |
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125 | |
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126 | |
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