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source: svn/trunk/interface/SmearUtil.h@ 33

Last change on this file since 33 was 33, checked in by severine ovyn, 16 years ago

add offline Thresholds

File size: 6.4 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"
25using namespace std;
26
27class RESOLution
28{
29 public:
30 /// Constructor
31 RESOLution();
32
33 // Detector coverage
34 float MAX_TRACKER; // tracker pseudorapidity coverage
35 float MAX_CALO_CEN; // central calorimeter pseudorapidity coverage
36 float MAX_CALO_FWD; // forward calorimeter pseudorapidity coverage
37 float MAX_MU; // muon chambers pseudorapidity coverage
38 float MIN_CALO_VFWD; // very forward calorimeter pseudorapidity coverage
39 float MAX_CALO_VFWD; // very forward calorimeter pseudorapidity coverage
40 float MIN_ZDC; // coverage for Zero Degree Calorimeter, for photons and neutrons
41
42 float ZDC_S; // distance of the Zero Degree Calorimeter, from the Interaction poin, in [m]
43 float RP220_S; // distance of the RP to the IP, in meters
44 float RP220_X; // distance of the RP to the beam, in meters
45 float FP420_S; // distance of the RP to the IP, in meters
46 float FP420_X; // distance of the RP to the beam, in meters
47
48
49 //energy resolution for electron/photon
50 // \sigma/E = C + N/E + S/\sqrt{E}
51 float ELG_Scen; // S term for central ECAL
52 float ELG_Ncen; // N term for central ECAL
53 float ELG_Ccen; // C term for central ECAL
54 float ELG_Sfwd; // S term for forward ECAL
55 float ELG_Cfwd; // C term for forward ECAL
56 float ELG_Nfwd; // N term for central ECAL
57
58 //energy resolution for hadrons in ecal/hcal/hf
59 // \sigma/E = C + N/E + S/\sqrt{E}
60 float HAD_Shcal; // S term for central HCAL // hadronic calorimeter
61 float HAD_Nhcal; // N term for central HCAL
62 float HAD_Chcal; // C term for central HCAL
63 float HAD_Shf; // S term for central HF // forward calorimeter
64 float HAD_Nhf; // N term for central HF
65 float HAD_Chf; // C term for central HF
66
67 // muon smearing
68 float MU_SmearPt;
69
70 //threshold for reconstructed objetcs
71 float ELEC_pt;
72 float MUON_pt;
73 float JET_pt;
74 float TAUJET_pt;
75
76 //For Tau-jet definition
77 // R = sqrt (phi^2 + eta^2)
78 float TAU_CONE_ENERGY; // radius R of the cone for tau definition, based on energy threshold
79 float TAU_CONE_TRACKS; // radius R of the cone for tau definition, based on track number
80 float PT_TRACK_TAU; // minimal pt [GeV] for tracks to be considered in tau definition
81 float TAU_EM_COLLIMATION; // fraction of energy required in the central part of the cone, for tau jets
82
83 // Tracker acceptance
84 float PT_TRACKS_MIN; // minimal pt needed to reach the calorimeter, in GeV
85 float PT_QUARKS_MIN; // minimal pt needed for quarks to reach the tracker, in GeV
86 int TRACKING_EFF; // in percent, should be an integer
87
88 //tagging definition
89 int TAGGING_B; //
90 int MISTAGGING_C;
91 int MISTAGGING_L;
92
93 double CONERADIUS;
94 int JETALGO;
95 // MidPoint algorithm definition
96 double M_SEEDTHRESHOLD;
97 double M_CONEAREAFRACTION;
98 int M_MAXPAIRSIZE;
99 int M_MAXITERATIONS;
100 double M_OVERLAPTHRESHOLD;
101
102 // Define Cone algorithm.
103 double C_SEEDTHRESHOLD;
104 int C_ADJACENCYCUT;
105 int C_MAXITERATIONS;
106 int C_IRATCH;
107 double C_OVERLAPTHRESHOLD;
108
109 /// Reads the data card for the initialisation of the parameters
110 void ReadDataCard(const string datacard);
111
112 /// Provides the smeared TLorentzVector for the electrons
113 void SmearElectron(TLorentzVector &electron);
114
115 /// Provides the smeared TLorentzVector for the muons
116 void SmearMu(TLorentzVector &muon);
117
118 /// Provides the smeared TLorentzVector for the hadrons
119 void SmearHadron(TLorentzVector &hadron, const float frac);
120
121 //*****************************fonction pour avoir les taus************************************
122 double EnergySmallCone(const vector<PhysicsTower> &towers, const float eta, const float phi);
123
124 //***************** Fonction pour avoir le nombre de traces pour les taus****************************
125 unsigned int NumTracks(const vector<TLorentzVector> &tracks, const float pt_track, const float eta, const float phi);
126
127 //**********************fonction pour avoir les b-jets******************************
128 int Bjets(const TSimpleArray<TRootGenParticle> &subarray, const float eta, const float phi);
129
130 //******************** retourne l'efficacite de b-tagging ******************************
131 bool Btaggedjet(const TLorentzVector &JET, const TSimpleArray<TRootGenParticle> &subarray);
132
133 //******************************isolation criteria**************************************
134 bool Isolation(Float_t phi,Float_t eta,const vector<TLorentzVector> &tracks,float PT_TRACK2);
135
136};
137
138
139// particles PID (PDG ID)
140const int pU = 1; // c quark
141const int pD = 2; // b quark
142const int pS = 3; // s quark
143const int pC = 4; // c quark
144const int pB = 5; // b quark
145const int pE = 11; // e
146const int pNU1 = 12; // nu_e
147const int pMU = 13; // mu
148const int pNU2 = 14; // nu_mu
149const int pTAU = 15; // tau
150const int pNU3 = 16; // nu_tau
151const int pGLUON = 21; // gluon
152const int pGAMMA = 22; // gamma
153const int pW = 24; // W
154const int pP = 2212; // proton
155const int pN = 2112; // neutron
156const int pPI0 = 111; // pi_0
157const int pK0L = 130; // K^0_L
158const int pK0S = 310; // K^0_S
159const int pLAMBDA = 3122; // Lambda
160const int pSIGMA0 = 3212; // Sigma^0
161const int pDELTA0 = 2114; // Delta^0
162
163const double speed_of_light = 299792458; // m/s
164
165#ifndef __PI__
166#define __PI__
167const double PI = acos(-1.0);
168#endif
169
170// ** returns the sign (+1 or -1) or an integer
171int sign(const int myint);
172int sign(const float myfloat);
173
174// **************************** Return the Delta Phi****************************
175float DeltaPhi(const float phi1, const float phi2);
176
177// **************************** Returns the Delta R****************************
178float DeltaR(const float phi1, const float eta1, const float phi2, const float eta2);
179
180//************* Returns an array of the quarks sitting within the tracker acceptance ***************
181float Charge(const int pid);
182
183#endif
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