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source: git/modules/CscClusterEfficiency.cc@ c6bce62

Last change on this file since c6bce62 was a09b75f, checked in by christinaw97 <christina.wang@…>, 3 years ago

cleaned modules

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1/*
2 * Delphes: a framework for fast simulation of a generic collider experiment
3 * Copyright (C) 2012-2014 Universite catholique de Louvain (UCL), Belgium
4 *
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19/** \class CscClusterEfficiency
20 *
21 * Selects candidates from the InputArray according to the CscClusterEfficiency formula.
22 *
23 * \author P. Demin - UCL, Louvain-la-Neuve
24 *
25 */
26
27#include "modules/CscClusterEfficiency.h"
28
29#include "classes/DelphesClasses.h"
30#include "classes/DelphesFactory.h"
31#include "classes/DelphesCscClusterFormula.h"
32
33#include "ExRootAnalysis/ExRootClassifier.h"
34#include "ExRootAnalysis/ExRootFilter.h"
35#include "ExRootAnalysis/ExRootResult.h"
36
37#include "TDatabasePDG.h"
38#include "TFormula.h"
39#include "TLorentzVector.h"
40#include "TMath.h"
41#include "TObjArray.h"
42#include "TRandom3.h"
43#include "TString.h"
44
45#include <algorithm>
46#include <iostream>
47#include <sstream>
48#include <stdexcept>
49
50using namespace std;
51
52//------------------------------------------------------------------------------
53
54CscClusterEfficiency::CscClusterEfficiency() :
55 fFormula(0), fItInputArray(0)
56{
57 fFormula = new DelphesCscClusterFormula;
58}
59
60//------------------------------------------------------------------------------
61
62CscClusterEfficiency::~CscClusterEfficiency()
63{
64 if(fFormula) delete fFormula;
65}
66
67//------------------------------------------------------------------------------
68
69void CscClusterEfficiency::Init()
70{
71 // read CscClusterEfficiency formula
72 fFormula->Compile(GetString("EfficiencyFormula", "1.0"));
73
74 // import input array
75
76 fInputArray = ImportArray(GetString("InputArray", "ParticlePropagator/stableParticles"));
77 fItInputArray = fInputArray->MakeIterator();
78
79 // create output array
80
81 fOutputArray = ExportArray(GetString("OutputArray", "stableParticles"));
82}
83
84//------------------------------------------------------------------------------
85
86void CscClusterEfficiency::Finish()
87{
88 if(fItInputArray) delete fItInputArray;
89}
90
91//------------------------------------------------------------------------------
92
93void CscClusterEfficiency::Process()
94{
95 Candidate *candidate;
96 Double_t Ehad, Eem, decayR, decayZ;
97
98 fItInputArray->Reset();
99 while((candidate = static_cast<Candidate *>(fItInputArray->Next())))
100 {
101 const TLorentzVector &candidateDecayPosition = candidate->DecayPosition;
102 decayZ = abs(candidateDecayPosition.Z());
103 decayR = sqrt(pow(candidateDecayPosition.X(),2)+pow(candidateDecayPosition.Y(),2));
104 Ehad = candidate->Ehad;
105 Eem = candidate->Eem;
106 // apply an efficency formula
107 if(gRandom->Uniform() > fFormula->Eval(decayR, decayZ, Ehad, Eem)) continue;
108
109
110 fOutputArray->Add(candidate);
111 }
112}
113
114//------------------------------------------------------------------------------
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