[1199] | 1 | // |
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| 2 | // ******************************************************************** |
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| 3 | // * DISCLAIMER * |
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| 4 | // * * |
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| 5 | // * The following disclaimer summarizes all the specific disclaimers * |
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| 6 | // * of contributors to this software. The specific disclaimers,which * |
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| 7 | // * govern, are listed with their locations in: * |
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| 8 | // * http://cern.ch/geant4/license * |
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| 9 | // * * |
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| 10 | // * Neither the authors of this software system, nor their employing * |
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| 11 | // * institutes,nor the agencies providing financial support for this * |
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| 12 | // * work make any representation or warranty, express or implied, * |
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| 13 | // * regarding this software system or assume any liability for its * |
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| 14 | // * use. * |
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| 15 | // * * |
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| 16 | // * This code implementation is the intellectual property of the * |
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| 17 | // * GEANT4 collaboration. * |
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| 18 | // * By copying, distributing or modifying the Program (or any work * |
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| 19 | // * based on the Program) you indicate your acceptance of this * |
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| 20 | // * statement, and all its terms. * |
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| 21 | // ******************************************************************** |
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| 22 | // |
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| 23 | #include "globals.hh" |
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| 24 | #include "G4ios.hh" |
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| 25 | |
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| 26 | #include "CLHEP/Hist/TupleManager.h" |
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| 27 | #include "CLHEP/Hist/HBookFile.h" |
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| 28 | #include "CLHEP/Hist/Histogram.h" |
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| 29 | #include "CLHEP/Hist/Tuple.h" |
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| 30 | #include "Randomize.hh" |
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| 31 | |
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| 32 | #include <fstream> |
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| 33 | #include <iomanip> |
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| 34 | #include <assert.h> |
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| 35 | #include <iostream> |
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| 36 | #include <G4KineticTrack.hh> |
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| 37 | |
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| 38 | #include "G4PionMinus.hh" |
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| 39 | #include "G4VShortLivedParticle.hh" |
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| 40 | #include "G4ShortLivedConstructor.hh" |
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| 41 | #include "G4ParticleTable.hh" |
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| 42 | #include "G4ShortLivedTable.hh" |
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| 43 | |
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| 44 | int main() |
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| 45 | { |
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| 46 | // MGP ---- HBOOK initialization |
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| 47 | HepTupleManager* hbookManager; |
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| 48 | hbookManager = new HBookFile("brwig.hbook", 58); |
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| 49 | assert (hbookManager != 0); |
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| 50 | |
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| 51 | // MGP ---- Book histograms |
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| 52 | |
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| 53 | HepHistogram* hbrwig; |
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| 54 | HepHistogram* hbmass; |
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| 55 | hbrwig = hbookManager->histogram("Breit Wigner", 1000,0.,1.); |
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| 56 | assert (hbrwig != 0); |
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| 57 | hbmass = hbookManager->histogram("random mass", 1000,0.,2500.); |
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| 58 | assert (hbmass != 0); |
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| 59 | |
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| 60 | G4ParticleDefinition* pionMinus = G4PionMinus::PionMinusDefinition(); |
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| 61 | G4ParticleTable* particleTable = G4ParticleTable::GetParticleTable(); |
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| 62 | |
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| 63 | G4ShortLivedConstructor ShortLived; |
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| 64 | ShortLived.ConstructParticle(); |
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| 65 | |
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| 66 | G4ParticleDefinition* deltaPlus = particleTable->FindParticle("delta+"); |
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| 67 | G4cout << deltaPlus->GetParticleName() << " created, type is " |
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| 68 | << deltaPlus->GetParticleType() << G4endl; |
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| 69 | |
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| 70 | G4ParticleDefinition* definition1; |
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| 71 | definition1 = deltaPlus; |
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| 72 | G4double mass1 = definition1->GetPDGMass(); |
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| 73 | G4double width1 = definition1->GetPDGWidth(); |
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| 74 | |
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| 75 | int nevt, DEBUG, nwid; |
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| 76 | cout << "Enter Debug 0/1" << G4endl; |
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| 77 | G4cin >> DEBUG; |
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| 78 | cout << " Enter number of events " << G4endl; |
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| 79 | G4cin >> nevt; |
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| 80 | cout << " Enter number of width " << G4endl; |
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| 81 | G4cin >> nwid; |
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| 82 | |
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| 83 | G4KineticTrack wig; |
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| 84 | G4double max=wig.BrWig(width1, mass1, mass1); |
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| 85 | int i=0; |
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| 86 | while(i<nevt){ |
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| 87 | // rand mass-nwid*width:mass+nwid*width |
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| 88 | G4double mass=(mass1+nwid*width1)-(G4UniformRand()*2*nwid*width1); |
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| 89 | G4double check=max*G4UniformRand(); |
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| 90 | G4double wigt=wig.BrWig(width1, mass1, mass); |
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| 91 | // fill histo |
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| 92 | hbrwig->accumulate(wigt); |
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| 93 | if(check < wigt){ |
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| 94 | hbmass->accumulate(mass); |
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| 95 | i++; |
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| 96 | } |
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| 97 | if (DEBUG == 1)cout << " w/m/xm/brwig " << width1 << " " << mass << " " << mass1 << " " << wigt << G4endl; |
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| 98 | } |
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| 99 | hbookManager->write(); |
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| 100 | return EXIT_SUCCESS; |
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| 101 | } |
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