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source: svn/trunk/interface/SmearUtil.h@ 121

Last change on this file since 121 was 94, checked in by severine ovyn, 16 years ago

Add frog plus cleaning + bugs remove

File size: 8.1 KB
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1#ifndef _SMEARUTIL_H_
2#define _SMEARUTIL_H_
3
4/*
5 ---- Delphes ----
6 A Fast Simulator for general purpose LHC detector
7 S. Ovyn ~~~~ severine.ovyn@uclouvain.be
8
9 Center for Particle Physics and Phenomenology (CP3)
10 Universite Catholique de Louvain (UCL)
11 Louvain-la-Neuve, Belgium
12*/
13
14/// \file SmearUtil.h
15/// \brief RESOLution class, and some generic definitions
16
17
18#include <vector>
19#include "TLorentzVector.h"
20
21#include "Utilities/ExRootAnalysis/interface/BlockClasses.h"
22#include "Utilities/ExRootAnalysis/interface/TSimpleArray.h"
23
24#include "Utilities/Fastjet/plugins/CDFCones/interface/PhysicsTower.hh"
25
26#include <iostream>
27#include <sstream>
28#include <fstream>
29#include <iomanip>
30
31using namespace std;
32
33class ParticleUtil {
34
35 public:
36
37 TLorentzVector TLVector;
38 int Pid;
39
40 ParticleUtil(const TLorentzVector &genMomentum,const int &pid) : TLVector(genMomentum) , Pid(pid) {}
41
42 float E() {return TLVector.E();} // particle energy in GeV
43 float Px() {return TLVector.Px();} // particle energy in GeV
44 float Py() {return TLVector.Py();} // particle energy in GeV
45 float Pz() {return TLVector.Pz();} // particle energy in GeV
46 float Pt() {return TLVector.Pt();} // particle energy in GeV
47 float Eta() {return TLVector.Eta();} // particle energy in GeV
48 float Phi() {return TLVector.Phi();} // particle energy in GeV
49 float PID() {return Pid;} // particle energy in GeV
50
51 private:
52
53};
54
55
56class RESOLution
57{
58 public:
59 /// Constructor
60 RESOLution();
61
62 // Detector coverage
63 float CEN_max_tracker; // tracker pseudorapidity coverage
64 float CEN_max_calo_cen; // central calorimeter pseudorapidity coverage
65 float CEN_max_calo_fwd; // forward calorimeter pseudorapidity coverage
66 float CEN_max_mu; // muon chambers pseudorapidity coverage
67
68 float VFD_min_calo_vfd; // very forward calorimeter pseudorapidity coverage
69 float VFD_max_calo_vfd; // very forward calorimeter pseudorapidity coverage
70 float VFD_min_zdc; // coverage for Zero Degree Calorimeter, for photons and neutrons
71 float VFD_s_zdc; // distance of the Zero Degree Calorimeter, from the Interaction poin, in [m]
72
73 float RP_220_s; // distance of the RP to the IP, in meters
74 float RP_220_x; // distance of the RP to the beam, in meters
75 float RP_420_s; // distance of the RP to the IP, in meters
76 float RP_420_x; // distance of the RP to the beam, in meters
77
78
79 //energy resolution for electron/photon
80 // \sigma/E = C + N/E + S/\sqrt{E}
81 float ELG_Scen; // S term for central ECAL
82 float ELG_Ncen; // N term for central ECAL
83 float ELG_Ccen; // C term for central ECAL
84 float ELG_Sfwd; // S term for forward ECAL
85 float ELG_Cfwd; // C term for forward ECAL
86 float ELG_Nfwd; // N term for central ECAL
87
88 //energy resolution for hadrons in ecal/hcal/hf
89 // \sigma/E = C + N/E + S/\sqrt{E}
90 float HAD_Shcal; // S term for central HCAL // hadronic calorimeter
91 float HAD_Nhcal; // N term for central HCAL
92 float HAD_Chcal; // C term for central HCAL
93 float HAD_Shf; // S term for central HF // forward calorimeter
94 float HAD_Nhf; // N term for central HF
95 float HAD_Chf; // C term for central HF
96
97 // muon smearing
98 float MU_SmearPt;
99
100 //Magnetic Field information
101 int TRACK_radius; //radius of the BField coverage
102 int TRACK_length; //length of the BField coverage
103 float TRACK_bfield_x;
104 float TRACK_bfield_y;
105 float TRACK_bfield_z;
106 float TRACK_ptmin; // minimal pt needed to reach the calorimeter, in GeV
107 int TRACK_eff; // in percent, should be an integer
108
109
110 //Define Calorimetric towers
111 unsigned int TOWER_number;
112 float * TOWER_eta_edges;
113 float * TOWER_dphi;
114
115 //thresholds for reconstructed objetcs
116 float PTCUT_elec;
117 float PTCUT_muon;
118 float PTCUT_jet;
119 float PTCUT_gamma;
120 float PTCUT_taujet;
121
122 //General jet variable
123 double JET_coneradius;
124 int JET_jetalgo;
125 double JET_seed;
126 double JET_overlap;
127
128 // MidPoint algorithm definition
129 double JET_M_coneareafraction;
130 int JET_M_maxpairsize;
131 int JET_M_maxiterations;
132 // Define Cone algorithm.
133 int JET_C_adjacencycut;
134 int JET_C_maxiterations;
135 int JET_C_iratch;
136 //Define SISCone algorithm.
137 int JET_S_npass;
138 double JET_S_protojet_ptmin;
139
140 //For Tau-jet definition
141 // R = sqrt (phi^2 + eta^2)
142 float TAU_energy_scone; // radius R of the cone for tau definition, based on energy threshold
143 float TAU_track_scone; // radius R of the cone for tau definition, based on track number
144 float TAU_track_pt; // minimal pt [GeV] for tracks to be considered in tau definition
145 float TAU_energy_frac; // fraction of energy required in the central part of the cone, for tau jets
146
147 //tagging definition
148 int BTAG_b;
149 int BTAG_mistag_c;
150 int BTAG_mistag_l;
151
152
153 //trigger flag
154 int FLAG_trigger; //flag for trigger
155 int FLAG_frog; //flag for frog display
156 int FLAG_bfield; //flag for bfield propagation
157 int FLAG_vfd; //flag for very forward detector
158
159 int NEvents_Frog;
160
161
162
163
164
165 float PT_QUARKS_MIN; // minimal pt needed for quarks to reach the tracker, in GeV
166
167 // to sort a vector
168 void SortedVector(vector<ParticleUtil> &vect);
169
170 /// Reads the data card for the initialisation of the parameters
171 void ReadDataCard(const string datacard);
172
173 /// Create the output log file
174 void Logfile(string LogName);
175
176 /// Provides the smeared TLorentzVector for the electrons
177 void SmearElectron(TLorentzVector &electron);
178
179 /// Provides the smeared TLorentzVector for the muons
180 void SmearMu(TLorentzVector &muon);
181
182 /// Provides the smeared TLorentzVector for the hadrons
183 void SmearHadron(TLorentzVector &hadron, const float frac);
184
185 //*****************************fonction pour avoir les taus************************************
186 double EnergySmallCone(const vector<PhysicsTower> &towers, const float eta, const float phi);
187
188 //***************** Fonction pour avoir le nombre de traces pour les taus****************************
189 unsigned int NumTracks(const vector<TLorentzVector> &tracks, const float pt_track, const float eta, const float phi);
190
191 //**********************fonction pour avoir les b-jets******************************
192 int Bjets(const TSimpleArray<TRootGenParticle> &subarray, const float eta, const float phi);
193
194 //******************** retourne l'efficacite de b-tagging ******************************
195 bool Btaggedjet(const TLorentzVector &JET, const TSimpleArray<TRootGenParticle> &subarray);
196
197 //******************************isolation criteria**************************************
198 bool Isolation(Float_t phi,Float_t eta,const vector<TLorentzVector> &tracks,float PT_TRACK2);
199
200 //********************* returns a segmented value for eta and phi, for calo towers *****
201 void BinEtaPhi(const float phi, const float eta, float& iPhi, float& iEta);
202
203};
204
205
206// particles PID (PDG ID)
207const int pU = 1; // c quark
208const int pD = 2; // b quark
209const int pS = 3; // s quark
210const int pC = 4; // c quark
211const int pB = 5; // b quark
212const int pE = 11; // e
213const int pNU1 = 12; // nu_e
214const int pMU = 13; // mu
215const int pNU2 = 14; // nu_mu
216const int pTAU = 15; // tau
217const int pNU3 = 16; // nu_tau
218const int pGLUON = 21; // gluon
219const int pGAMMA = 22; // gamma
220const int pW = 24; // W
221const int pP = 2212; // proton
222const int pN = 2112; // neutron
223const int pPI0 = 111; // pi_0
224const int pK0L = 130; // K^0_L
225const int pK0S = 310; // K^0_S
226const int pLAMBDA = 3122; // Lambda
227const int pSIGMA0 = 3212; // Sigma^0
228const int pDELTA0 = 2114; // Delta^0
229
230const double speed_of_light = 299792458; // m/s
231
232#ifndef __PI__
233#define __PI__
234const double PI = acos(-1.0);
235#endif
236
237// ** returns the sign (+1 or -1) or an integer
238int sign(const int myint);
239int sign(const float myfloat);
240
241// **************************** Return the Delta Phi****************************
242float DeltaPhi(const float phi1, const float phi2);
243
244// **************************** Returns the Delta R****************************
245float DeltaR(const float phi1, const float eta1, const float phi2, const float eta2);
246
247//************* Returns an array of the quarks sitting within the tracker acceptance ***************
248int Charge(int pid);
249
250#endif
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