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source: svn/trunk/interface/SmearUtil.h@ 481

Last change on this file since 481 was 465, checked in by Xavier Rouby, 15 years ago

new function outputting the current time and date

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1#ifndef _SMEARUTIL_H_
2#define _SMEARUTIL_H_
3
4/***********************************************************************
5** **
6** /----------------------------------------------\ **
7** | Delphes, a framework for the fast simulation | **
8** | of a generic collider experiment | **
9** \------------- arXiv:0903.2225v1 ------------/ **
10** **
11** **
12** This package uses: **
13** ------------------ **
14** ROOT: Nucl. Inst. & Meth. in Phys. Res. A389 (1997) 81-86 **
15** FastJet algorithm: Phys. Lett. B641 (2006) [hep-ph/0512210] **
16** Hector: JINST 2:P09005 (2007) [physics.acc-ph:0707.1198v2] **
17** FROG: [hep-ex/0901.2718v1] **
18** HepMC: Comput. Phys. Commun.134 (2001) 41 **
19** **
20** ------------------------------------------------------------------ **
21** **
22** Main authors: **
23** ------------- **
24** **
25** Severine Ovyn Xavier Rouby **
26** severine.ovyn@uclouvain.be xavier.rouby@cern **
27** **
28** Center for Particle Physics and Phenomenology (CP3) **
29** Universite catholique de Louvain (UCL) **
30** Louvain-la-Neuve, Belgium **
31** **
32** Copyright (C) 2008-2009, **
33** All rights reserved. **
34** **
35***********************************************************************/
36
37/// \file SmearUtil.h
38/// \brief RESOLution class, and some generic definitions
39
40
41#include <vector>
42#include <string>
43#include "TLorentzVector.h"
44
45#include "D_Constants.h"
46#include "CaloUtil.h"
47#include "BlockClasses.h"
48#include "TSimpleArray.h"
49#include "PhysicsTower.hh"
50#include "PdgParticle.h"
51
52using namespace std;
53
54// forward declaration instead of 'include' statement
55class TStopwatch;
56
57class D_Particle {
58
59 public:
60 D_Particle(const TLorentzVector & p, const int pid, const float etacalo, const float phicalo) :
61 _fourmomentum(p), _pid(pid), _etaCalo(etacalo), _phiCalo(phicalo) {}
62 //D_Particle(const float e, const float eta, const float phi, const float pt, const int pid) :
63 // _pid(pid), _etaCalo(UNDEFINED), _phiCalo(UNDEFINED) { TLorentzVector p; p.SetPtEtaPhiE(pt,eta,phi,e); _fourmomentum = p; }
64 D_Particle(const float px, const float py, const float pz, const float e, const int pid) :
65 _fourmomentum(px,py,pz,e), _pid(pid), _etaCalo(UNDEFINED), _phiCalo(UNDEFINED) {}
66
67 const float E() const {return _fourmomentum.E();} // particle energy [GeV]
68 const float Px() const {return _fourmomentum.Px();} // horizontal coordinate of momentum [GeV]
69 const float Py() const {return _fourmomentum.Py();} // vertical coordinate of momentum [GeV]
70 const float Pz() const {return _fourmomentum.Pz();} // longitudinal coordinate of momentum [GeV]
71 const float Pt() const {return _fourmomentum.Pt();} // transverse momentum [GeV]
72 const float EtaCalo() const {return _etaCalo;} // pseudorapidity
73 const float Eta() const {return _fourmomentum.Eta();} // pseudorapidity
74 const float PhiCalo() const {return _phiCalo;} // azimuthal angle
75 const float Phi() const {return _fourmomentum.Phi();} // azimuthal angle
76 const int PID() const {return _pid;} // particle energy in [GeV]
77 const TLorentzVector& getFourMomentum() const {return _fourmomentum;}
78
79 private:
80 TLorentzVector _fourmomentum;
81 int _pid;
82 float _etaCalo, _phiCalo;
83};
84
85class RESOLution
86{
87 public:
88 /// Constructor
89 RESOLution();
90 RESOLution(const RESOLution & DET);
91 RESOLution& operator=(const RESOLution& DET);
92 ~RESOLution() { delete [] TOWER_eta_edges; delete [] TOWER_dphi;};
93
94 // Detector coverage
95 float CEN_max_tracker; // tracker pseudorapidity coverage
96 float CEN_max_calo_cen; // central calorimeter pseudorapidity coverage
97 float CEN_max_calo_fwd; // forward calorimeter pseudorapidity coverage
98 float CEN_max_mu; // muon chambers pseudorapidity coverage
99
100 float VFD_min_calo_vfd; // very forward calorimeter pseudorapidity coverage
101 float VFD_max_calo_vfd; // very forward calorimeter pseudorapidity coverage
102 float VFD_min_zdc; // coverage for Zero Degree Calorimeter, for photons and neutrons
103 float VFD_s_zdc; // distance of the Zero Degree Calorimeter, from the Interaction poin, in [m]
104
105 float RP_220_s; // distance of the RP to the IP, in meters
106 float RP_220_x; // distance of the RP to the beam, in meters
107 float RP_420_s; // distance of the RP to the IP, in meters
108 float RP_420_x; // distance of the RP to the beam, in meters
109 string RP_beam1Card; // optics file for beam 1
110 string RP_beam2Card; // optics file for beam 2
111 string RP_IP_name; // label for IP in the optics file ("IP1" or "IP5")
112 float RP_offsetEl_s; // distance from IP (in meter) where both beams separate
113 float RP_offsetEl_x; // distance of separation in horizontal plane, in meter
114 float RP_offsetEl_y; // distance of separation in vertical plane, in meter
115 float RP_cross_x; // IP offset in horizontal plane, in micrometer
116 float RP_cross_y; // IP offset in vertical plane, in micrometer
117 float RP_cross_ang_x; // half crossing angle, in microradian, horizontal plane
118 float RP_cross_ang_y; // half crossing angle, in microradian, vertical plane
119
120
121 //energy resolution for electron/photon
122 // \sigma/E = C + N/E + S/\sqrt{E}
123 float ELG_Scen; // S term for central ECAL
124 float ELG_Ncen; // N term for central ECAL
125 float ELG_Ccen; // C term for central ECAL
126 float ELG_Sfwd; // S term for forward ECAL
127 float ELG_Cfwd; // C term for forward ECAL
128 float ELG_Nfwd; // N term for forward ECAL
129 float ELG_Szdc; // S term for zdc-em sections
130 float ELG_Czdc; // C term for zdc-em sections
131 float ELG_Nzdc; // N term for zdc-em sections
132
133 //energy resolution for hadrons in ecal/hcal/hf
134 // \sigma/E = C + N/E + S/\sqrt{E}
135 float HAD_Shcal; // S term for central HCAL // hadronic calorimeter
136 float HAD_Nhcal; // N term for central HCAL
137 float HAD_Chcal; // C term for central HCAL
138 float HAD_Shf; // S term for central HF // forward calorimeter
139 float HAD_Nhf; // N term for central HF
140 float HAD_Chf; // C term for central HF
141 float HAD_Szdc; // S term for zdc-had sections
142 float HAD_Czdc; // C term for zdc-had sections
143 float HAD_Nzdc; // N term for zdc-had sections
144
145 // muon smearing
146 float MU_SmearPt;
147
148 // time resolution
149 float ZDC_T_resolution;
150 float RP220_T_resolution;
151 float RP420_T_resolution;
152
153 //Magnetic Field information
154 int TRACK_radius; //radius of the BField coverage
155 int TRACK_length; //length of the BField coverage
156 float TRACK_bfield_x;
157 float TRACK_bfield_y;
158 float TRACK_bfield_z;
159 float TRACK_ptmin; // minimal pt needed to reach the calorimeter, in GeV
160 int TRACK_eff; // in percent, should be an integer
161
162
163 //Define Calorimetric towers
164 unsigned int TOWER_number;
165 float * TOWER_eta_edges;
166 float * TOWER_dphi;
167
168 //thresholds for reconstructed objetcs
169 float PTCUT_elec;
170 float PTCUT_muon;
171 float PTCUT_jet;
172 float PTCUT_gamma;
173 float PTCUT_taujet;
174
175 float ZDC_gamma_E; // minimal energy of photons for reconstruction in ZDC
176 float ZDC_n_E; // minimal energy of neutrons for reconstruction in ZDC
177
178 float ISOL_PT; //minimal pt of tracks for isolation criteria
179 float ISOL_Cone; //Cone for isolation criteria
180 float ISOL_Calo_ET; //minimal tower energy for isolation criteria
181 unsigned int ISOL_Calo_Grid; //Grid size (N x N) for calorimetric isolation
182
183
184 //General jet variable
185 double JET_coneradius;
186 int JET_jetalgo;
187 double JET_seed;
188 double JET_overlap;
189
190 // MidPoint algorithm definition
191 double JET_M_coneareafraction;
192 int JET_M_maxpairsize;
193 int JET_M_maxiterations;
194 // Define Cone algorithm.
195 int JET_C_adjacencycut;
196 int JET_C_maxiterations;
197 int JET_C_iratch;
198 //Define SISCone algorithm.
199 int JET_S_npass;
200 double JET_S_protojet_ptmin;
201
202 //For Tau-jet definition
203 // R = sqrt (phi^2 + eta^2)
204 float TAU_energy_scone; // radius R of the cone for tau definition, based on energy threshold
205 float TAU_track_scone; // radius R of the cone for tau definition, based on track number
206 float TAU_track_pt; // minimal pt [GeV] for tracks to be considered in tau definition
207 float TAU_energy_frac; // fraction of energy required in the central part of the cone, for tau jets
208
209 //tagging definition
210 int BTAG_b;
211 int BTAG_mistag_c;
212 int BTAG_mistag_l;
213
214
215 //trigger flag
216 int FLAG_trigger; //flag for trigger
217 int FLAG_frog; //flag for frog display
218 int FLAG_bfield; //flag for bfield propagation
219 int FLAG_vfd; //flag for very forward detector
220 int FLAG_RP; //flag for very forward detector
221 int FLAG_lhco; //flag for very forward detector
222
223 int NEvents_Frog; // number of events to be displayed in frog
224 int NEvents; // number of events to be processed
225 float PT_QUARKS_MIN; // minimal pt needed for quarks to reach the tracker, in GeV
226 int JET_Eflow;
227
228 string PdgTableFilename;
229 PdgTable PDGtable;
230 string inputfilelist, detectorcard, triggercard;
231
232 // to sort a vector
233 //void SortedVector(vector<ParticleUtil> &vect);
234 void SortedVector(vector<D_Particle> &vect);
235
236 /// Reads the data card for the initialisation of the parameters
237 void ReadDataCard(const string datacard);
238
239 /// Reads the PDG table
240 void ReadParticleDataGroupTable();
241
242 /// Create the output log file
243 void Logfile(const string& LogName);
244
245 /// Provides the smeared TLorentzVector for the electrons
246 void SmearElectron(TLorentzVector &electron);
247
248 /// Provides the smeared TLorentzVector for the muons
249 void SmearMu(TLorentzVector &muon);
250
251 /// Provides the smeared TLorentzVector for the hadrons
252 void SmearHadron(TLorentzVector &hadron, const float frac);
253
254 /// For electromagnetic collimation in tau jets
255 double EnergySmallCone(const vector<PhysicsTower> &towers, const float eta, const float phi);
256
257 /// Number of tracks in tau jet algo
258 //unsigned int NumTracks(float& charge, const vector<TLorentzVector> &tracks, const float pt_track, const float eta, const float phi);
259 unsigned int NumTracks(float& charge, const vector<TRootTracks> &tracks, const float pt_track, const float eta, const float phi);
260
261 /// b-jets
262 int Bjets(const TSimpleArray<TRootC::GenParticle> &subarray, const float& eta, const float& phi);
263
264 /// b-tag efficiency and misidentification
265 bool Btaggedjet(const TLorentzVector &JET, const TSimpleArray<TRootC::GenParticle> &subarray);
266
267 /// Lepton isolation based on tracking
268 bool Isolation(const D_Particle& part, const vector<TRootTracks> &tracks, const float& pt_second_track, const float& isolCone, float& ptiso);
269
270 /// Lepton isolation based on calorimetry (optional. Default: off)
271 float CaloIsolation(const D_Particle& part, const D_CaloTowerList & towers, const float iPhi, const float iEta);
272
273 //********************* returns a segmented value for eta and phi, for calo towers *****
274 void BinEtaPhi(const float phi, const float eta, float& iPhi, float& iEta);
275
276 void setNames(const string& list, const string& det, const string& trig);
277};
278
279// ** returns the sign (+1 or -1) or an integer
280int sign(const int myint);
281int sign(const float myfloat);
282
283// **************************** Return the Delta Phi****************************
284float DeltaPhi(const float phi1, const float phi2);
285
286// **************************** Returns the Delta R****************************
287float DeltaR(const float phi1, const float eta1, const float phi2, const float eta2);
288
289//************* Returns an array of the quarks sitting within the tracker acceptance ***************
290int ChargeVal(const int pid);
291
292// ********************* prints the time report on screen and in Logfile *********
293void time_report(const TStopwatch& global,const TStopwatch& loop,const TStopwatch& trigger,const TStopwatch& frog,const TStopwatch& lhco, const int flag_frog, const int flag_trigger, const int flag_lhco, const string& LogName, const Long64_t allEntries);
294
295void print_header();
296string get_time_date();
297#endif
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