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source: svn/trunk/src/SmearUtil.cc@ 55

Last change on this file since 55 was 55, checked in by severine ovyn, 16 years ago

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1/*
2 ---- Delphes ----
3 A Fast Simulator for general purpose LHC detector
4 S. Ovyn ~~~~ severine.ovyn@uclouvain.be
5
6 Center for Particle Physics and Phenomenology (CP3)
7 Universite Catholique de Louvain (UCL)
8 Louvain-la-Neuve, Belgium
9*/
10
11/// \file SmearUtil.cc
12/// \brief RESOLution class, and some generic definitions
13
14
15#include "interface/SmearUtil.h"
16#include "TRandom.h"
17
18#include <iostream>
19#include <sstream>
20#include <fstream>
21#include <iomanip>
22
23
24
25using namespace std;
26
27//------------------------------------------------------------------------------
28
29RESOLution::RESOLution() {
30
31MAX_TRACKER = 2.5; // tracker coverage
32MAX_CALO_CEN = 3.0; // central calorimeter coverage
33MAX_CALO_FWD = 5.0; // forward calorimeter pseudorapidity coverage
34MAX_MU = 2.4; // muon chambers pseudorapidity coverage
35MIN_CALO_VFWD= 5.2; // very forward calorimeter (if any), like CASTOR
36MAX_CALO_VFWD= 6.6; // very forward calorimeter (if any), like CASTOR
37MIN_ZDC = 8.3; // zero-degree calorimeter, coverage
38
39ZDC_S = 140.; // ZDC distance to IP
40RP220_S = 220; // distance of the RP to the IP, in meters
41RP220_X = 0.002;// distance of the RP to the beam, in meters
42FP420_S = 420; // distance of the RP to the IP, in meters
43FP420_X = 0.004;// distance of the RP to the beam, in meters
44
45
46ELG_Scen = 0.05; // S term for central ECAL
47ELG_Ncen = 0.25 ; // N term for central ECAL
48ELG_Ccen = 0.0055 ; // C term for central ECAL
49ELG_Cfwd = 0.107 ; // S term for forward ECAL
50ELG_Sfwd = 2.084 ; // C term for forward ECAL
51ELG_Nfwd = 0.0 ; // N term for central ECAL
52
53HAD_Shcal = 1.5 ; // S term for central HCAL // hadronic calorimeter
54HAD_Nhcal = 0.0 ; // N term for central HCAL
55HAD_Chcal = 0.05 ; // C term for central HCAL
56HAD_Shf = 2.7 ; // S term for central HF // forward calorimeter
57HAD_Nhf = 0.0 ; // N term for central HF
58HAD_Chf = 0.13 ; // C term for central HF
59
60MU_SmearPt = 0.01 ;
61
62ELEC_pt = 10.0;
63MUON_pt = 10.0;
64JET_pt = 20.0;
65TAUJET_pt = 10.0;
66
67
68TAU_CONE_ENERGY = 0.15 ; // Delta R = radius of the cone // for "electromagnetic collimation"
69TAU_EM_COLLIMATION = 0.95;
70TAU_CONE_TRACKS= 0.4 ; //Delta R for tracker isolation for tau's
71PT_TRACK_TAU = 2.0 ; // GeV // 6 GeV ????
72
73
74PT_TRACKS_MIN = 0.9 ; // minimal pt needed to reach the calorimeter, in GeV
75PT_QUARKS_MIN = 2.0 ; // minimal pt needed by quarks to reach the tracker, in GeV (??????)
76TRACKING_EFF = 90;
77
78
79TAGGING_B = 40;
80MISTAGGING_C = 10;
81MISTAGGING_L = 1;
82
83
84CONERADIUS = 0.7; // generic jet radius ; not for tau's !!!
85JETALGO = 1; // 1 for Cone algorithm, 2 for MidPoint algorithm, 3 for SIScone algorithm, 4 for kt algorithm
86
87//General jet parameters
88SEEDTHRESHOLD = 1.0;
89OVERLAPTHRESHOLD = 0.75;
90
91// Define Cone algorithm.
92C_ADJACENCYCUT = 2;
93C_MAXITERATIONS = 100;
94C_IRATCH = 1;
95
96//Define MidPoint algorithm.
97M_CONEAREAFRACTION = 0.25;
98M_MAXPAIRSIZE = 2;
99M_MAXITERATIONS = 100;
100
101}
102
103//------------------------------------------------------------------------------
104void RESOLution::ReadDataCard(const string datacard) {
105
106 string temp_string;
107 istringstream curstring;
108
109 ifstream fichier_a_lire(datacard.c_str());
110 if(!fichier_a_lire.good()) {
111 cout << datacard << "Datadard " << datacard << " not found, use default values" << endl;
112 return;
113 }
114
115 while (getline(fichier_a_lire,temp_string)) {
116 curstring.clear(); // needed when using several times istringstream::str(string)
117 curstring.str(temp_string);
118 string varname;
119 float value;
120
121 if(strstr(temp_string.c_str(),"#")) { }
122 else if(strstr(temp_string.c_str(),"MAX_TRACKER")){curstring >> varname >> value; MAX_TRACKER = value;}
123 else if(strstr(temp_string.c_str(),"MAX_CALO_CEN")){curstring >> varname >> value; MAX_CALO_CEN = value;}
124 else if(strstr(temp_string.c_str(),"MAX_CALO_FWD")){curstring >> varname >> value; MAX_CALO_FWD = value;}
125 else if(strstr(temp_string.c_str(),"MAX_MU")){curstring >> varname >> value; MAX_MU = value;}
126 else if(strstr(temp_string.c_str(),"ELG_Scen")){curstring >> varname >> value; ELG_Scen = value;}
127 else if(strstr(temp_string.c_str(),"ELG_Ncen")){curstring >> varname >> value; ELG_Ncen = value;}
128 else if(strstr(temp_string.c_str(),"ELG_Ccen")){curstring >> varname >> value; ELG_Ccen = value;}
129 else if(strstr(temp_string.c_str(),"ELG_Sfwd")){curstring >> varname >> value; ELG_Sfwd = value;}
130 else if(strstr(temp_string.c_str(),"ELG_Cfwd")){curstring >> varname >> value; ELG_Cfwd = value;}
131 else if(strstr(temp_string.c_str(),"ELG_Nfwd")){curstring >> varname >> value; ELG_Nfwd = value;}
132 else if(strstr(temp_string.c_str(),"HAD_Shcal")){curstring >> varname >> value; HAD_Shcal = value;}
133 else if(strstr(temp_string.c_str(),"HAD_Nhcal")){curstring >> varname >> value; HAD_Nhcal = value;}
134 else if(strstr(temp_string.c_str(),"HAD_Chcal")){curstring >> varname >> value; HAD_Chcal = value;}
135 else if(strstr(temp_string.c_str(),"HAD_Shf")){curstring >> varname >> value; HAD_Shf = value;}
136 else if(strstr(temp_string.c_str(),"HAD_Nhf")){curstring >> varname >> value; HAD_Nhf = value;}
137 else if(strstr(temp_string.c_str(),"HAD_Chf")){curstring >> varname >> value; HAD_Chf = value;}
138 else if(strstr(temp_string.c_str(),"MU_SmearPt")){curstring >> varname >> value; MU_SmearPt = value;}
139 else if(strstr(temp_string.c_str(),"TAU_CONE_ENERGY")){curstring >> varname >> value; TAU_CONE_ENERGY = value;}
140 else if(strstr(temp_string.c_str(),"TAU_CONE_TRACKS")){curstring >> varname >> value; TAU_CONE_TRACKS = value;}
141 else if(strstr(temp_string.c_str(),"PT_TRACK_TAU")){curstring >> varname >> value; PT_TRACK_TAU = value;}
142 else if(strstr(temp_string.c_str(),"PT_TRACKS_MIN")){curstring >> varname >> value; PT_TRACKS_MIN = value;}
143 else if(strstr(temp_string.c_str(),"TAGGING_B")){curstring >> varname >> value; TAGGING_B = (int)value;}
144 else if(strstr(temp_string.c_str(),"MISTAGGING_C")){curstring >> varname >> value; MISTAGGING_C = (int)value;}
145 else if(strstr(temp_string.c_str(),"MISTAGGING_L")){curstring >> varname >> value; MISTAGGING_L = (int)value;}
146 else if(strstr(temp_string.c_str(),"CONERADIUS")){curstring >> varname >> value; CONERADIUS = value;}
147 else if(strstr(temp_string.c_str(),"JETALGO")){curstring >> varname >> value; JETALGO = (int)value;}
148 else if(strstr(temp_string.c_str(),"TRACKING_EFF")){curstring >> varname >> value; TRACKING_EFF = (int)value;}
149 else if(strstr(temp_string.c_str(),"ELEC_pt")){curstring >> varname >> value; ELEC_pt = value;}
150 else if(strstr(temp_string.c_str(),"MUON_pt")){curstring >> varname >> value; MUON_pt = value;}
151 else if(strstr(temp_string.c_str(),"JET_pt")){curstring >> varname >> value; JET_pt = value;}
152 else if(strstr(temp_string.c_str(),"TAUJET_pt")){curstring >> varname >> value; TAUJET_pt = value;}
153
154 }
155
156// General jet variables
157 SEEDTHRESHOLD = 1.0;
158 OVERLAPTHRESHOLD = 0.75;
159
160// Define Cone algorithm.
161 C_ADJACENCYCUT = 2;
162 C_MAXITERATIONS = 100;
163 C_IRATCH = 1;
164
165//Define MidPoint algorithm.
166 M_CONEAREAFRACTION = 0.25;
167 M_MAXPAIRSIZE = 2;
168 M_MAXITERATIONS = 100;
169
170//Define SISCone algorithm.
171 NPASS = 0;
172 PROTOJET_PTMIN = 0.0;
173
174
175}
176
177void RESOLution::Logfile(string LogName) {
178//void RESOLution::Logfile(string outputfilename) {
179
180 ofstream f_out(LogName.c_str());
181
182 f_out<<"#*********************************************************************"<<"\n";
183 f_out<<"# *"<<"\n";
184 f_out<<"# ---- DELPHES release 1.0 ---- *"<<"\n";
185 f_out<<"# *"<<"\n";
186 f_out<<"# A Fast Simulator for general purpose LHC detector *"<<"\n";
187 f_out<<"# Written by S. Ovyn and X. Rouby *"<<"\n";
188 f_out<<"# severine.ovyn@uclouvain.be *"<<"\n";
189 f_out<<"# *"<<"\n";
190 f_out<<"# http: *"<<"\n";
191 f_out<<"# *"<<"\n";
192 f_out<<"# Center for Particle Physics and Phenomenology (CP3) *"<<"\n";
193 f_out<<"# Universite Catholique de Louvain (UCL) *"<<"\n";
194 f_out<<"# Louvain-la-Neuve, Belgium *"<<"\n";
195 f_out<<"# *"<<"\n";
196 f_out<<"#....................................................................*"<<"\n";
197 f_out<<"# *"<<"\n";
198 f_out<<"# This package uses: *"<<"\n";
199 f_out<<"# FastJet algorithm: Phys. Lett. B641 (2006) [hep-ph/0512210] *"<<"\n";
200 f_out<<"# Hector: JINST 2:P09005 (2007) [physics.acc-ph:0707.1198v2] *"<<"\n";
201 f_out<<"# ExRootAnalysis *"<<"\n";
202 f_out<<"# *"<<"\n";
203 f_out<<"#....................................................................*"<<"\n";
204 f_out<<"# *"<<"\n";
205 f_out<<"# This file contains all the running parameters (detector and cuts) *"<<"\n";
206 f_out<<"# necessary to reproduce the detector simulation *"<<"\n";
207 f_out<<"# *"<<"\n";
208 f_out<<"#....................................................................*"<<"\n";
209 f_out<<"#>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"<<"\n";
210 f_out<<"* *"<<"\n";
211 f_out<<"#******************************** *"<<"\n";
212 f_out<<"# Central detector caracteristics *"<<"\n";
213 f_out<<"#******************************** *"<<"\n";
214 f_out<<"* *"<<"\n";
215 f_out << left << setw(30) <<"* Maximum tracking system: "<<""
216 << left << setw(10) <<MAX_TRACKER <<""<< right << setw(15)<<"*"<<"\n";
217 f_out << left << setw(30) <<"* Maximum central calorimeter: "<<""
218 << left << setw(10) <<MAX_CALO_CEN <<""<< right << setw(15)<<"*"<<"\n";
219 f_out << left << setw(30) <<"* Maximum forward calorimeter: "<<""
220 << left << setw(10) <<MAX_CALO_FWD <<""<< right << setw(15)<<"*"<<"\n";
221 f_out << left << setw(30) <<"* Muon chambers coverage: "<<""
222 << left << setw(10) <<MAX_MU <<""<< right << setw(15)<<"*"<<"\n";
223 f_out<<"* *"<<"\n";
224 f_out<<"#************************************* *"<<"\n";
225 f_out<<"# Very forward detector caracteristics *"<<"\n";
226 f_out<<"#************************************* *"<<"\n";
227 f_out<<"* *"<<"\n";
228 f_out << left << setw(55) <<"* Minimum very forward calorimeter: "<<""
229 << left << setw(5) <<MIN_CALO_VFWD <<""<< right << setw(10)<<"*"<<"\n";
230 f_out << left << setw(55) <<"* Maximum very forward calorimeter: "<<""
231 << left << setw(5) <<MAX_CALO_VFWD <<""<< right << setw(10)<<"*"<<"\n";
232 f_out << left << setw(55) <<"* Distance of the ZDC to the IP, in meters: "<<""
233 << left << setw(5) <<ZDC_S <<""<< right << setw(10)<<"*"<<"\n";
234 f_out << left << setw(55) <<"* Distance of the RP to the IP, in meters: "<<""
235 << left << setw(5) <<RP220_S <<""<< right << setw(10)<<"*"<<"\n";
236 f_out << left << setw(55) <<"* Distance of the RP to the beam, in meters: "<<""
237 << left << setw(5) <<RP220_X <<""<< right << setw(10)<<"*"<<"\n";
238 f_out << left << setw(55) <<"* Distance of the RP to the IP, in meters: "<<""
239 << left << setw(5) <<FP420_S <<""<< right << setw(10)<<"*"<<"\n";
240 f_out << left << setw(55) <<"* Distance of the RP to the beam, in meters: "<<""
241 << left << setw(5) <<FP420_X <<""<< right << setw(10)<<"*"<<"\n";
242 f_out<<"* *"<<"\n";
243 f_out<<"#************************************ *"<<"\n";
244 f_out<<"# Electromagnetic smearing parameters *"<<"\n";
245 f_out<<"#************************************ *"<<"\n";
246 f_out<<"* *"<<"\n";
247 //# \sigma/E = C + N/E + S/\sqrt{E}
248 f_out << left << setw(30) <<"* S term for central ECAL: "<<""
249 << left << setw(30) <<ELG_Scen <<""<< right << setw(10)<<"*"<<"\n";
250 f_out << left << setw(30) <<"* N term for central ECAL: "<<""
251 << left << setw(30) <<ELG_Ncen <<""<< right << setw(10)<<"*"<<"\n";
252 f_out << left << setw(30) <<"* C term for central ECAL: "<<""
253 << left << setw(30) <<ELG_Ccen <<""<< right << setw(10)<<"*"<<"\n";
254 f_out << left << setw(30) <<"* S term for forward ECAL: "<<""
255 << left << setw(30) <<ELG_Sfwd <<""<< right << setw(10)<<"*"<<"\n";
256 f_out << left << setw(30) <<"* N term for forward ECAL: "<<""
257 << left << setw(30) <<ELG_Nfwd <<""<< right << setw(10)<<"*"<<"\n";
258 f_out << left << setw(30) <<"* C term for forward ECAL: "<<""
259 << left << setw(30) <<ELG_Cfwd <<""<< right << setw(10)<<"*"<<"\n";
260 f_out<<"* *"<<"\n";
261 f_out<<"#***************************** *"<<"\n";
262 f_out<<"# Hadronic smearing parameters *"<<"\n";
263 f_out<<"#***************************** *"<<"\n";
264 f_out<<"* *"<<"\n";
265 f_out << left << setw(30) <<"* S term for central HCAL: "<<""
266 << left << setw(30) <<HAD_Shcal <<""<< right << setw(10)<<"*"<<"\n";
267 f_out << left << setw(30) <<"* N term for central HCAL: "<<""
268 << left << setw(30) <<HAD_Nhcal <<""<< right << setw(10)<<"*"<<"\n";
269 f_out << left << setw(30) <<"* C term for central HCAL: "<<""
270 << left << setw(30) <<HAD_Chcal <<""<< right << setw(10)<<"*"<<"\n";
271 f_out << left << setw(30) <<"* S term for forward HCAL: "<<""
272 << left << setw(30) <<HAD_Shf <<""<< right << setw(10)<<"*"<<"\n";
273 f_out << left << setw(30) <<"* N term for forward HCAL: "<<""
274 << left << setw(30) <<HAD_Nhf <<""<< right << setw(10)<<"*"<<"\n";
275 f_out << left << setw(30) <<"* C term for forward HCAL: "<<""
276 << left << setw(30) <<HAD_Chf <<""<< right << setw(10)<<"*"<<"\n";
277 f_out<<"* *"<<"\n";
278 f_out<<"#*************************** *"<<"\n";
279 f_out<<"# Tracking system acceptance *"<<"\n";
280 f_out<<"#*************************** *"<<"\n";
281 f_out<<"* *"<<"\n";
282 f_out << left << setw(55) <<"* Minimal pT needed to reach the calorimeter [GeV]: "<<""
283 << left << setw(10) <<PT_TRACKS_MIN <<""<< right << setw(5)<<"*"<<"\n";
284 f_out << left << setw(55) <<"* Efficiency associated to the tracking: "<<""
285 << left << setw(10) <<TRACKING_EFF <<""<< right << setw(5)<<"*"<<"\n";
286 f_out<<"* *"<<"\n";
287 f_out<<"#************************* *"<<"\n";
288 f_out<<"# Muon smearing parameters *"<<"\n";
289 f_out<<"#************************* *"<<"\n";
290 f_out<<"* *"<<"\n";
291 //MU_SmearPt 0.01
292 f_out<<"* *"<<"\n";
293 f_out<<"#****************************** *"<<"\n";
294 f_out<<"# Tau-jet definition parameters *"<<"\n";
295 f_out<<"#****************************** *"<<"\n";
296 f_out<<"* *"<<"\n";
297 f_out << left << setw(45) <<"* Cone radius for calorimeter tagging: "<<""
298 << left << setw(5) <<TAU_CONE_ENERGY <<""<< right << setw(20)<<"*"<<"\n";
299 f_out << left << setw(45) <<"* Fraction of energy in the small cone: "<<""
300 << left << setw(5) <<TAU_EM_COLLIMATION*100 <<""<< right << setw(20)<<"! not in datacard *"<<"\n";
301 f_out << left << setw(45) <<"* Cone radius for tracking tagging: "<<""
302 << left << setw(5) <<TAU_CONE_TRACKS <<""<< right << setw(20)<<"*"<<"\n";
303 f_out << left << setw(45) <<"* Minimum track pT [GeV]: "<<""
304 << left << setw(5) <<PT_TRACK_TAU <<""<< right << setw(20)<<"*"<<"\n";
305 f_out<<"* *"<<"\n";
306 f_out<<"#******************* *"<<"\n";
307 f_out<<"# Minimum pT's [GeV] *"<<"\n";
308 f_out<<"#******************* *"<<"\n";
309 f_out<<"* *"<<"\n";
310 f_out << left << setw(40) <<"* Minimum pT for electrons: "<<""
311 << left << setw(20) <<ELEC_pt <<""<< right << setw(10)<<"*"<<"\n";
312 f_out << left << setw(40) <<"* Minimum pT for muons: "<<""
313 << left << setw(20) <<MUON_pt <<""<< right << setw(10)<<"*"<<"\n";
314 f_out << left << setw(40) <<"* Minimum pT for jets: "<<""
315 << left << setw(20) <<JET_pt <<""<< right << setw(10)<<"*"<<"\n";
316 f_out << left << setw(40) <<"* Minimum pT for Tau-jets: "<<""
317 << left << setw(20) <<TAUJET_pt <<""<< right << setw(10)<<"*"<<"\n";
318 f_out<<"* *"<<"\n";
319 f_out<<"#*************************** *"<<"\n";
320 f_out<<"# B-tagging efficiencies [%] *"<<"\n";
321 f_out<<"#*************************** *"<<"\n";
322 f_out<<"* *"<<"\n";
323 f_out << left << setw(50) <<"* Efficiency to tag a \"b\" as a b-jet: "<<""
324 << left << setw(10) <<TAGGING_B <<""<< right << setw(10)<<"*"<<"\n";
325 f_out << left << setw(50) <<"* Efficiency to mistag a c-jet as a b-jet: "<<""
326 << left << setw(10) <<MISTAGGING_C <<""<< right << setw(10)<<"*"<<"\n";
327 f_out << left << setw(50) <<"* Efficiency to mistag a light jet as a b-jet: "<<""
328 << left << setw(10) <<MISTAGGING_L <<""<< right << setw(10)<<"*"<<"\n";
329 f_out<<"* *"<<"\n";
330 f_out<<"#*************** *"<<"\n";
331 f_out<<"# Jet definition *"<<"\n";
332 f_out<<"#*************** *"<<"\n";
333 f_out<<"* *"<<"\n";
334 f_out<<"* Six algorithms are currently available: *"<<"\n";
335 f_out<<"* - 1) CDF cone algorithm, *"<<"\n";
336 f_out<<"* - 2) CDF MidPoint algorithm, *"<<"\n";
337 f_out<<"* - 3) SIScone algorithm, *"<<"\n";
338 f_out<<"* - 4) kt algorithm, *"<<"\n";
339 f_out<<"* - 5) Cambrigde/Aachen algorithm, *"<<"\n";
340 f_out<<"* - 6) Anti-kt algorithm. *"<<"\n";
341 f_out<<"* *"<<"\n";
342 f_out<<"* You have chosen *"<<"\n";
343 switch(JETALGO) {
344 default:
345 case 1: {
346 f_out<<"* CDF JetClu jet algorithm with parameters: *"<<"\n";
347 f_out << left << setw(40) <<"* - Seed threshold: "<<""
348 << left << setw(10) <<SEEDTHRESHOLD <<""<< right << setw(20)<<"! not in datacard *"<<"\n";
349 f_out << left << setw(40) <<"* - Cone radius: "<<""
350 << left << setw(10) <<CONERADIUS <<""<< right << setw(20)<<"*"<<"\n";
351 f_out << left << setw(40) <<"* - Adjacency cut: "<<""
352 << left << setw(10) <<C_ADJACENCYCUT <<""<< right << setw(20)<<"! not in datacard *"<<"\n";
353 f_out << left << setw(40) <<"* - Max iterations: "<<""
354 << left << setw(10) <<C_MAXITERATIONS <<""<< right << setw(20)<<"! not in datacard *"<<"\n";
355 f_out << left << setw(40) <<"* - Iratch: "<<""
356 << left << setw(10) <<C_IRATCH <<""<< right << setw(20)<<"! not in datacard *"<<"\n";
357 f_out << left << setw(40) <<"* - Overlap threshold: "<<""
358 << left << setw(10) <<OVERLAPTHRESHOLD <<""<< right << setw(20)<<"! not in datacard *"<<"\n";
359 }
360 break;
361 case 2: {
362 f_out<<"* CDF midpoint jet algorithm with parameters: *"<<"\n";
363 f_out << left << setw(40) <<"* - Seed threshold: "<<""
364 << left << setw(20) <<SEEDTHRESHOLD <<""<< right << setw(10)<<"! not in datacard *"<<"\n";
365 f_out << left << setw(40) <<"* - Cone radius: "<<""
366 << left << setw(20) <<CONERADIUS <<""<< right << setw(10)<<"*"<<"\n";
367 f_out << left << setw(40) <<"* - Cone area fraction:"<<""
368 << left << setw(20) <<M_CONEAREAFRACTION <<""<< right << setw(10)<<"! not in datacard *"<<"\n";
369 f_out << left << setw(40) <<"* - Maximum pair size: "<<""
370 << left << setw(20) <<M_MAXPAIRSIZE <<""<< right << setw(10)<<"! not in datacard *"<<"\n";
371 f_out << left << setw(40) <<"* - Max iterations: "<<""
372 << left << setw(20) <<M_MAXITERATIONS <<""<< right << setw(10)<<"! not in datacard *"<<"\n";
373 f_out << left << setw(40) <<"* - Overlap threshold: "<<""
374 << left << setw(20) <<OVERLAPTHRESHOLD <<""<< right << setw(10)<<"! not in datacard *"<<"\n";
375 }
376 break;
377 case 3: {
378 f_out <<"* SISCone jet algorithm with parameters: *"<<"\n";
379 f_out << left << setw(40) <<"* - Cone radius: "<<""
380 << left << setw(20) <<CONERADIUS <<""<< right << setw(10)<<"*"<<"\n";
381 f_out << left << setw(40) <<"* - Overlap threshold: "<<""
382 << left << setw(20) <<OVERLAPTHRESHOLD <<""<< right << setw(10)<<"! not in datacard *"<<"\n";
383 f_out << left << setw(40) <<"* - Number pass max: "<<""
384 << left << setw(20) <<NPASS <<""<< right << setw(10)<<"! not in datacard *"<<"\n";
385 f_out << left << setw(40) <<"* - Minimum pT for protojet: "<<""
386 << left << setw(20) <<PROTOJET_PTMIN <<""<< right << setw(10)<<"! not in datacard *"<<"\n";
387 }
388 break;
389 case 4: {
390 f_out <<"* KT jet algorithm with parameters: *"<<"\n";
391 f_out << left << setw(40) <<"* - Cone radius: "<<""
392 << left << setw(20) <<CONERADIUS <<""<< right << setw(10)<<"*"<<"\n";
393 }
394 break;
395 case 5: {
396 f_out <<"* Cambridge/Aachen jet algorithm with parameters: *"<<"\n";
397 f_out << left << setw(40) <<"* - Cone radius: "<<""
398 << left << setw(20) <<CONERADIUS <<""<< right << setw(10)<<"*"<<"\n";
399 }
400 break;
401 case 6: {
402 f_out <<"* Anti-kt jet algorithm with parameters: *"<<"\n";
403 f_out << left << setw(40) <<"* - Cone radius: "<<""
404 << left << setw(20) <<CONERADIUS <<""<< right << setw(10)<<"*"<<"\n";
405 }
406 break;
407
408
409 }
410 f_out<<"* *"<<"\n";
411 f_out<<"#....................................................................*"<<"\n";
412 f_out<<"#>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"<<"\n";
413
414}
415
416// **********Provides the smeared TLorentzVector for the electrons********
417// Smears the electron energy, and changes the 4-momentum accordingly
418// different smearing if the electron is central (eta < 2.5) or forward
419void RESOLution::SmearElectron(TLorentzVector &electron) {
420 // the 'electron' variable will be changed by the function
421 float energy = electron.E(); // before smearing
422 float energyS = 0.0; // after smearing // \sigma/E = C + N/E + S/\sqrt{E}
423
424 if(fabs(electron.Eta()) < MAX_TRACKER) { // if the electron is inside the tracker
425 energyS = gRandom->Gaus(energy, sqrt(
426 pow(ELG_Ncen,2) +
427 pow(ELG_Ccen*energy,2) +
428 pow(ELG_Scen*sqrt(energy),2) ));
429 }
430 if(fabs(electron.Eta()) > MAX_TRACKER && fabs(electron.Eta()) < MAX_CALO_FWD){
431 energyS = gRandom->Gaus(energy, sqrt(
432 pow(ELG_Nfwd,2) +
433 pow(ELG_Cfwd*energy,2) +
434 pow(ELG_Sfwd*sqrt(energy),2) ) );
435 }
436 electron.SetPtEtaPhiE(energyS/cosh(electron.Eta()), electron.Eta(), electron.Phi(), energyS);
437 if(electron.E() < 0)electron.SetPxPyPzE(0,0,0,0); // no negative values after smearing !
438}
439
440
441// **********Provides the smeared TLorentzVector for the muons********
442// Smears the muon pT and changes the 4-momentum accordingly
443void RESOLution::SmearMu(TLorentzVector &muon) {
444 // the 'muon' variable will be changed by the function
445 float pt = muon.Pt(); // before smearing
446 float ptS = gRandom->Gaus(pt, MU_SmearPt*pt ); // after smearing // \sigma/E = C + N/E + S/\sqrt{E}
447
448 muon.SetPtEtaPhiE(ptS, muon.Eta(), muon.Phi(), ptS*cosh(muon.Eta()));
449
450 if(muon.E() < 0)muon.SetPxPyPzE(0,0,0,0); // no negative values after smearing !
451}
452
453
454// **********Provides the smeared TLorentzVector for the hadrons********
455// Smears the hadron 4-momentum
456void RESOLution::SmearHadron(TLorentzVector &hadron, const float frac)
457 // the 'hadron' variable will be changed by the function
458 // the 'frac' variable describes the long-living particles. Should be 0.7 for K0S and Lambda, 1. otherwise
459{
460 float energy = hadron.E(); // before smearing
461 float energyS = 0.0; // after smearing // \sigma/E = C + N/E + S/\sqrt{E}
462 float energy_ecal = (1.0 - frac)*energy; // electromagnetic calorimeter
463 float energy_hcal = frac*energy; // hadronic calorimeter
464 // frac takes into account the decay of long-living particles, that decay in the calorimeters
465 // some of the particles decay mostly in the ecal, some mostly in the hcal
466
467 float energyS1,energyS2;
468 if(fabs(hadron.Eta()) < MAX_CALO_CEN) {
469 energyS1 = gRandom->Gaus(energy_hcal, sqrt(
470 pow(HAD_Nhcal,2) +
471 pow(HAD_Chcal*energy_hcal,2) +
472 pow(HAD_Shcal*sqrt(energy_hcal),2) )) ;
473
474
475 energyS2 = gRandom->Gaus(energy_ecal, sqrt(
476 pow(ELG_Ncen,2) +
477 pow(ELG_Ccen*energy_ecal,2) +
478 pow(ELG_Scen*sqrt(energy_ecal),2) ) );
479
480 energyS = ((energyS1>0)?energyS1:0) + ((energyS2>0)?energyS2:0);
481 }
482 if(abs(hadron.Eta()) > MAX_CALO_CEN && fabs(hadron.Eta()) < MAX_CALO_FWD){
483 energyS = gRandom->Gaus(energy, sqrt(
484 pow(HAD_Nhf,2) +
485 pow(HAD_Chf*energy,2) +
486 pow(HAD_Shf*sqrt(energy),2) ));
487}
488
489
490
491 hadron.SetPtEtaPhiE(energyS/cosh(hadron.Eta()),hadron.Eta(), hadron.Phi(), energyS);
492
493 if(hadron.E() < 0)hadron.SetPxPyPzE(0,0,0,0);
494}
495
496// **********Provides the energy in the cone of radius TAU_CONE_ENERGY for the tau identification********
497// to be taken into account, a calo tower should
498// 1) have a transverse energy \f$ E_T = \sqrt{E_X^2 + E_Y^2} \f$ above a given threshold
499// 2) be inside a cone with a radius R and the axis defined by (eta,phi)
500double RESOLution::EnergySmallCone(const vector<PhysicsTower> &towers, const float eta, const float phi) {
501 double Energie=0;
502 for(unsigned int i=0; i < towers.size(); i++) {
503 if(towers[i].fourVector.pt() < SEEDTHRESHOLD) continue;
504 if((DeltaR(phi,eta,towers[i].fourVector.phi(),towers[i].fourVector.eta()) < TAU_CONE_ENERGY)) {
505 Energie += towers[i].fourVector.E;
506 }
507 }
508 return Energie;
509}
510
511
512// **********Provides the number of tracks in the cone of radius TAU_CONE_TRACKS for the tau identification********
513// to be taken into account, a track should
514// 1) avec a transverse momentum \$f p_T \$ above a given threshold
515// 2) be inside a cone with a radius R and the axis defined by (eta,phi)
516// IMPORTANT REMARK !!!!!
517// previously, the argument 'phi' was before the argument 'eta'
518// this has been changed for consistency with the other functions
519// double check your running code that uses NumTracks !
520unsigned int RESOLution::NumTracks(const vector<TLorentzVector> &tracks, const float pt_track, const float eta, const float phi) {
521 unsigned int numtrack=0;
522 for(unsigned int i=0; i < tracks.size(); i++) {
523 if((tracks[i].Pt() < pt_track )||
524 (DeltaR(phi,eta,tracks[i].Phi(),tracks[i].Eta()) > TAU_CONE_TRACKS)
525 )continue;
526 numtrack++;
527 }
528 return numtrack;
529}
530
531
532//*** Returns the PID of the particle with the highest energy, in a cone with a radius CONERADIUS and an axis (eta,phi) *********
533//used by Btaggedjet
534///// Attention : bug removed => CONERADIUS/2 -> CONERADIUS !!
535int RESOLution::Bjets(const TSimpleArray<TRootGenParticle> &subarray, const float eta, const float phi) {
536 float emax=0;
537 int Ppid=0;
538 if(subarray.GetEntries()>0) {
539 for(int i=0; i < subarray.GetEntries();i++) { // should have pt>PT_JETMIN and a small cone radius (r<CONE_JET)
540 float genDeltaR = DeltaR(subarray[i]->Phi,subarray[i]->Eta,phi,eta);
541 if(genDeltaR < CONERADIUS && subarray[i]->E > emax) {
542 emax=subarray[i]->E;
543 Ppid=abs(subarray[i]->PID);
544 }
545 }
546 }
547 return Ppid;
548}
549
550
551//******************** Simulates the b-tagging efficiency for real bjet, or the misendentification for other jets****************
552bool RESOLution::Btaggedjet(const TLorentzVector &JET, const TSimpleArray<TRootGenParticle> &subarray) {
553 if( rand()%100 < (TAGGING_B+1) && Bjets(subarray,JET.Eta(),JET.Phi())==pB ) return true; // b-tag of b-jets is 40%
554 else if( rand()%100 < (MISTAGGING_C+1) && Bjets(subarray,JET.Eta(),JET.Phi())==pC ) return true; // b-tag of c-jets is 10%
555 else if( rand()%100 < (MISTAGGING_L+1) && Bjets(subarray,JET.Eta(),JET.Phi())!=0) return true; // b-tag of light jets is 1%
556 return false;
557}
558
559//***********************Isolation criteria***********************
560//****************************************************************
561bool RESOLution::Isolation(Float_t phi,Float_t eta,const vector<TLorentzVector> &tracks,float PT_TRACK2)
562{
563 bool isolated = false;
564 Float_t deltar=5000.; // Initial value; should be high; no further repercussion
565 // loop on all final charged particles, with p_t >2, close enough from the electron
566 for(unsigned int i=0; i < tracks.size(); i++)
567 {
568 if(tracks[i].Pt() < PT_TRACK2)continue;
569 Float_t genDeltaR = DeltaR(phi,eta,tracks[i].Phi(),tracks[i].Eta()); // slower to evaluate
570 if(
571 (genDeltaR > deltar) ||
572 (genDeltaR==0)
573 ) continue ;
574 deltar=genDeltaR;
575 }
576 if(deltar > 0.5)isolated = true; // returns the closest distance
577 return isolated;
578}
579
580
581//**************************** Returns the delta Phi ****************************
582float DeltaPhi(const float phi1, const float phi2) {
583 float deltaphi=phi1-phi2; // in here, -PI < phi < PI
584 if(fabs(deltaphi) > PI) deltaphi=2.*PI-fabs(deltaphi);// put deltaphi between 0 and PI
585 else deltaphi=fabs(deltaphi);
586
587 return deltaphi;
588}
589
590//**************************** Returns the delta R****************************
591float DeltaR(const float phi1, const float eta1, const float phi2, const float eta2) {
592 return sqrt(pow(DeltaPhi(phi1,phi2),2) + pow(eta1-eta2,2));
593}
594
595int sign(const int myint) {
596 if (myint >0) return 1;
597 else if (myint <0) return -1;
598 else return 0;
599}
600
601int sign(const float myfloat) {
602 if (myfloat >0) return 1;
603 else if (myfloat <0) return -1;
604 else return 0;
605}
606
607int Charge(int pid)
608{
609 int charge;
610 if(
611 (pid == pGAMMA) ||
612 (pid == pPI0) ||
613 (pid == pK0L) ||
614 (pid == pN) ||
615 (pid == pSIGMA0) ||
616 (pid == pDELTA0) ||
617 (pid == pK0S) // not charged particles : invisible by tracker
618 )
619 charge = 0;
620 else charge = (sign(pid));
621cout<<"charge "<<charge<<endl;
622 return charge;
623
624}
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