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source: svn/trunk/interface/SmearUtil.h@ 251

Last change on this file since 251 was 244, checked in by Xavier Rouby, 16 years ago

from PI to pi

File size: 8.0 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 "BlockClasses.h"
22#include "TSimpleArray.h"
23#include "PhysicsTower.hh"
24
25using namespace std;
26
27class ParticleUtil {
28
29 public:
30 ParticleUtil(const TLorentzVector &genMomentum, int pid);
31
32 float E() {return _e;} // particle energy [GeV]
33 float Px() {return _px;} // horizontal coordinate of momentum [GeV]
34 float Py() {return _py;} // vertical coordinate of momentum [GeV]
35 float Pz() {return _pz;} // longitudinal coordinate of momentum [GeV]
36 float Pt() {return _pt;} // transverse momentum [GeV]
37 float EtaCalo() {return _etaCalo;} // pseudorapidity
38 float Eta() {return _eta;} // pseudorapidity
39 float PhiCalo() {return _phiCalo;} // azimuthal angle
40 float Phi() {return _phi;} // azimuthal angle
41 int PID() {return _pid;} // particle energy in [GeV]
42
43 private:
44 float _e, _px, _py, _pz, _pt;
45 float _eta, _etaCalo, _phi, _phiCalo;
46 int _pid;
47};
48
49#ifndef __PI__
50#define __PI__
51extern const float pi = 3.14159265358979312;
52#endif
53
54class RESOLution
55{
56 public:
57 /// Constructor
58 RESOLution();
59 RESOLution(const RESOLution & DET);
60 RESOLution& operator=(const RESOLution& DET);
61 ~RESOLution() { delete [] TOWER_eta_edges; delete [] TOWER_dphi;};
62
63 // Detector coverage
64 float CEN_max_tracker; // tracker pseudorapidity coverage
65 float CEN_max_calo_cen; // central calorimeter pseudorapidity coverage
66 float CEN_max_calo_fwd; // forward calorimeter pseudorapidity coverage
67 float CEN_max_mu; // muon chambers pseudorapidity coverage
68
69 float VFD_min_calo_vfd; // very forward calorimeter pseudorapidity coverage
70 float VFD_max_calo_vfd; // very forward calorimeter pseudorapidity coverage
71 float VFD_min_zdc; // coverage for Zero Degree Calorimeter, for photons and neutrons
72 float VFD_s_zdc; // distance of the Zero Degree Calorimeter, from the Interaction poin, in [m]
73
74 float RP_220_s; // distance of the RP to the IP, in meters
75 float RP_220_x; // distance of the RP to the beam, in meters
76 float RP_420_s; // distance of the RP to the IP, in meters
77 float RP_420_x; // distance of the RP to the beam, in meters
78
79
80 //energy resolution for electron/photon
81 // \sigma/E = C + N/E + S/\sqrt{E}
82 float ELG_Scen; // S term for central ECAL
83 float ELG_Ncen; // N term for central ECAL
84 float ELG_Ccen; // C term for central ECAL
85 float ELG_Sfwd; // S term for forward ECAL
86 float ELG_Cfwd; // C term for forward ECAL
87 float ELG_Nfwd; // N term for central ECAL
88
89 //energy resolution for hadrons in ecal/hcal/hf
90 // \sigma/E = C + N/E + S/\sqrt{E}
91 float HAD_Shcal; // S term for central HCAL // hadronic calorimeter
92 float HAD_Nhcal; // N term for central HCAL
93 float HAD_Chcal; // C term for central HCAL
94 float HAD_Shf; // S term for central HF // forward calorimeter
95 float HAD_Nhf; // N term for central HF
96 float HAD_Chf; // C term for central HF
97
98 // muon smearing
99 float MU_SmearPt;
100
101 //Magnetic Field information
102 int TRACK_radius; //radius of the BField coverage
103 int TRACK_length; //length of the BField coverage
104 float TRACK_bfield_x;
105 float TRACK_bfield_y;
106 float TRACK_bfield_z;
107 float TRACK_ptmin; // minimal pt needed to reach the calorimeter, in GeV
108 int TRACK_eff; // in percent, should be an integer
109
110
111 //Define Calorimetric towers
112 unsigned int TOWER_number;
113 float * TOWER_eta_edges;
114 float * TOWER_dphi;
115
116 //thresholds for reconstructed objetcs
117 float PTCUT_elec;
118 float PTCUT_muon;
119 float PTCUT_jet;
120 float PTCUT_gamma;
121 float PTCUT_taujet;
122
123 //General jet variable
124 double JET_coneradius;
125 int JET_jetalgo;
126 double JET_seed;
127 double JET_overlap;
128
129 // MidPoint algorithm definition
130 double JET_M_coneareafraction;
131 int JET_M_maxpairsize;
132 int JET_M_maxiterations;
133 // Define Cone algorithm.
134 int JET_C_adjacencycut;
135 int JET_C_maxiterations;
136 int JET_C_iratch;
137 //Define SISCone algorithm.
138 int JET_S_npass;
139 double JET_S_protojet_ptmin;
140
141 //For Tau-jet definition
142 // R = sqrt (phi^2 + eta^2)
143 float TAU_energy_scone; // radius R of the cone for tau definition, based on energy threshold
144 float TAU_track_scone; // radius R of the cone for tau definition, based on track number
145 float TAU_track_pt; // minimal pt [GeV] for tracks to be considered in tau definition
146 float TAU_energy_frac; // fraction of energy required in the central part of the cone, for tau jets
147
148 //tagging definition
149 int BTAG_b;
150 int BTAG_mistag_c;
151 int BTAG_mistag_l;
152
153
154 //trigger flag
155 int FLAG_trigger; //flag for trigger
156 int FLAG_frog; //flag for frog display
157 int FLAG_bfield; //flag for bfield propagation
158 int FLAG_vfd; //flag for very forward detector
159
160 int NEvents_Frog;
161 float PT_QUARKS_MIN; // minimal pt needed for quarks to reach the tracker, in GeV
162
163 // to sort a vector
164 void SortedVector(vector<ParticleUtil> &vect);
165
166 /// Reads the data card for the initialisation of the parameters
167 void ReadDataCard(const string datacard);
168
169 /// Create the output log file
170 void Logfile(const string& LogName);
171
172 /// Provides the smeared TLorentzVector for the electrons
173 void SmearElectron(TLorentzVector &electron);
174
175 /// Provides the smeared TLorentzVector for the muons
176 void SmearMu(TLorentzVector &muon);
177
178 /// Provides the smeared TLorentzVector for the hadrons
179 void SmearHadron(TLorentzVector &hadron, const float frac);
180
181 /// For electromagnetic collimation in tau jets
182 double EnergySmallCone(const vector<PhysicsTower> &towers, const float eta, const float phi);
183
184 /// Number of tracks in tau jet algo
185 unsigned int NumTracks(const vector<TLorentzVector> &tracks, const float pt_track, const float eta, const float phi);
186
187 /// b-jets
188 int Bjets(const TSimpleArray<TRootGenParticle> &subarray, const float eta, const float phi);
189
190 /// b-tag efficiency and misidentification
191 bool Btaggedjet(const TLorentzVector &JET, const TSimpleArray<TRootGenParticle> &subarray);
192
193 /// Lepton isolation
194 bool Isolation(const float phi, const float eta,const vector<TLorentzVector> &tracks,float PT_TRACK2);
195
196 //********************* returns a segmented value for eta and phi, for calo towers *****
197 void BinEtaPhi(const float phi, const float eta, float& iPhi, float& iEta);
198
199};
200
201
202// particles PID (PDG ID)
203const int pU = 1; // c quark
204const int pD = 2; // b quark
205const int pS = 3; // s quark
206const int pC = 4; // c quark
207const int pB = 5; // b quark
208const int pE = 11; // e
209const int pNU1 = 12; // nu_e
210const int pMU = 13; // mu
211const int pNU2 = 14; // nu_mu
212const int pTAU = 15; // tau
213const int pNU3 = 16; // nu_tau
214const int pGLUON = 21; // gluon
215const int pGAMMA = 22; // gamma
216const int pW = 24; // W
217const int pP = 2212; // proton
218const int pN = 2112; // neutron
219const int pPI0 = 111; // pi_0
220const int pK0L = 130; // K^0_L
221const int pK0S = 310; // K^0_S
222const int pLAMBDA = 3122; // Lambda
223const int pSIGMA0 = 3212; // Sigma^0
224const int pDELTA0 = 2114; // Delta^0
225
226const double speed_of_light = 299792458; // m/s
227const float UNDEFINED=-9999.;
228
229
230// ** returns the sign (+1 or -1) or an integer
231int sign(const int myint);
232int sign(const float myfloat);
233
234// **************************** Return the Delta Phi****************************
235float DeltaPhi(const float phi1, const float phi2);
236
237// **************************** Returns the Delta R****************************
238float DeltaR(const float phi1, const float eta1, const float phi2, const float eta2);
239
240//************* Returns an array of the quarks sitting within the tracker acceptance ***************
241int Charge(const int pid);
242
243#endif
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