1 | /*
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2 | * Delphes: a framework for fast simulation of a generic collider experiment
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3 | * Copyright (C) 2012-2014 Universite catholique de Louvain (UCL), Belgium
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4 | *
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5 | * This program is free software: you can redistribute it and/or modify
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6 | * it under the terms of the GNU General Public License as published by
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7 | * the Free Software Foundation, either version 3 of the License, or
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8 | * (at your option) any later version.
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9 | *
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10 | * This program is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program. If not, see <http://www.gnu.org/licenses/>.
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17 | */
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18 |
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19 | /** \class StatusPidFilter
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20 | *
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21 | * Removes all generated particles except electrons, muons, taus,
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22 | * and particles with status == 3.
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23 | *
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24 | * \author J. Hirschauer - FNAL
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25 | *
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26 | */
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27 |
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28 | #include "modules/StatusPidFilter.h"
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29 |
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30 | #include "classes/DelphesClasses.h"
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31 | #include "classes/DelphesFactory.h"
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32 | #include "classes/DelphesFormula.h"
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33 |
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34 | #include "ExRootAnalysis/ExRootResult.h"
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35 | #include "ExRootAnalysis/ExRootFilter.h"
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36 | #include "ExRootAnalysis/ExRootClassifier.h"
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37 |
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38 | #include "TMath.h"
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39 | #include "TString.h"
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40 | #include "TFormula.h"
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41 | #include "TRandom3.h"
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42 | #include "TObjArray.h"
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43 | #include "TDatabasePDG.h"
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44 | #include "TLorentzVector.h"
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45 |
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46 | #include <algorithm>
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47 | #include <stdexcept>
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48 | #include <iostream>
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49 | #include <sstream>
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50 |
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51 | using namespace std;
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52 |
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53 | //------------------------------------------------------------------------------
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54 |
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55 | StatusPidFilter::StatusPidFilter() :
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56 | fItInputArray(0)
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57 | {
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58 | }
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59 |
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60 | //------------------------------------------------------------------------------
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61 |
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62 | StatusPidFilter::~StatusPidFilter()
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63 | {
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64 | }
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65 |
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66 | //------------------------------------------------------------------------------
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67 |
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68 | void StatusPidFilter::Init()
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69 | {
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70 | // PT threshold
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71 |
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72 | fPTMin = GetDouble("PTMin", 0.5);
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73 |
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74 | // import input array
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75 | fInputArray = ImportArray(GetString("InputArray", "Delphes/allParticles"));
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76 | fItInputArray = fInputArray->MakeIterator();
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77 |
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78 | // create output array
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79 |
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80 | fOutputArray = ExportArray(GetString("OutputArray", "filteredParticles"));
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81 | }
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82 |
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83 | //------------------------------------------------------------------------------
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84 |
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85 | void StatusPidFilter::Finish()
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86 | {
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87 | if(fItInputArray) delete fItInputArray;
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88 | }
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89 |
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90 | //------------------------------------------------------------------------------
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91 |
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92 | void StatusPidFilter::Process()
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93 | {
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94 | Candidate *candidate;
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95 | Int_t status, pdgCode;
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96 | Bool_t pass;
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97 |
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98 | fItInputArray->Reset();
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99 | while((candidate = static_cast<Candidate*>(fItInputArray->Next())))
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100 | {
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101 | status = candidate->Status;
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102 | pdgCode = TMath::Abs(candidate->PID);
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103 |
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104 | pass = kFALSE;
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105 |
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106 | // hard scattering particles (first condition for Py6, second for Py8)
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107 | if(status == 3 || (status > 20 && status < 30 )) pass = kTRUE;
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108 |
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109 | // electrons, muons, taus and neutrinos
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110 | if(pdgCode > 10 && pdgCode < 17) pass = kTRUE;
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111 |
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112 | // heavy quarks
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113 | if(pdgCode == 5 || pdgCode == 6) pass = kTRUE;
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114 |
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115 | // Gauge bosons and other fundamental bosons
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116 | if(pdgCode > 22 && pdgCode < 43) pass = kTRUE;
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117 |
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118 | if(!pass || candidate->Momentum.Pt() <= fPTMin) continue;
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119 |
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120 | fOutputArray->Add(candidate);
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121 | }
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122 | }
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123 |
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