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4ebdd20e 1#include "AliHighPtDeDxCalib.h"
2
3#ifndef __IOSTREAM__
4#include <iostream>
5#endif
6
7using namespace std;
8
9ClassImp(AliHighPtDeDxCalib);
10
11//
12// AliHighPtDeDxCalib class
13//
14// This class contains the AliHighPtDeDxCalib information
15//
16
17//_________________________________________________________
18AliHighPtDeDxCalib::AliHighPtDeDxCalib():
19 AliHighPtDeDxBase(),
20 fStep(1), // Step 1 = Eta calibration, step 2 = dE/dx calibration, step = 3 ncl calib
21 fInit(0), // Step 1 = Eta calibration, step 2 = dE/dx calibration, step = 3 ncl calib
22 fPMIPMin(0.4), // Min P for MIP pion
23 fPMIPMax(0.6), // Max P for MIP pion
24 fDeDxMIPMin(40), // Min dE/dx for MIP pion
25 fDeDxMIPMax(60), // Max dE/dx for MIP pion
26 fDeltaBeta(0.1), // delta beta cut for electrons
27 fDeDxPi(0x0), // dE/dx vs p for pions
28 fSigmaDeDx(0x0), // sigma dE/dx vs ncl
29 fDeDxVsEtaNeg(0x0), // eta < 0 dE/dx calib
30 fDeDxVsEtaPos(0x0), // eta > 0 dE/dx calib
31 fDeDxVsNcl(0x0), // ncl dE/dx calib
32 hSelection1(0x0), // selected region in p and dE/dx for pion MIPs
33 hSelection2(0x0), // selected region in p and dE/dx for pion MIPs
34 hSelection3(0x0), // selected region in p and dE/dx for pion MIPs
35 hSelectionElectrons2(0x0), // selected region in p and dE/dx for electrons
36 hSelectionElectrons3(0x0), // selected region in p and dE/dx for electrons
37 hDeDxVsEta(0x0), // dE/dx vs eta uncalibrated (pion MIPs)
38 hDeDxVsEtaElectrons(0x0), // dE/dx vs eta uncalibrated (electrons)
39 hNclVsEta(0x0), // Ncl vs eta (pion MIPs)
40 hNclVsEtaElectrons(0x0), // Ncl vs eta (electrons)
41 hDeDxVsEtaCal(0x0), // dE/dx vs eta calibrated (pion MIPs)
42 hDeDxVsEtaCalElectrons(0x0), // dE/dx vs eta calibrated (electrons)
43 hMeanEta(0x0), // <eta> in the 4 eta interval (pion MIPs)
44 hMeanEtaElectrons(0x0), // <eta> in the 4 eta interval (electrons)
45 hDeDx(0x0), // dE/dx no eta cut (pion MIPs)
46 hDeDx1(0x0), // dE/dx 0.0<|eta|<0.2 (pion MIPs)
47 hDeDx2(0x0), // dE/dx 0.2<|eta|<0.4 (pion MIPs)
48 hDeDx3(0x0), // dE/dx 0.4<|eta|<0.6 (pion MIPs)
49 hDeDx4(0x0), // dE/dx 0.6<|eta|<0.8 (pion MIPs)
50 hDeDxElectrons(0x0), // dE/dx no eta cut (electrons)
51 hDeDxElectrons1(0x0), // dE/dx 0.0<|eta|<0.2 (electrons)
52 hDeDxElectrons2(0x0), // dE/dx 0.2<|eta|<0.4 (electrons)
53 hDeDxElectrons3(0x0), // dE/dx 0.4<|eta|<0.6 (electrons)
54 hDeDxElectrons4(0x0), // dE/dx 0.6<|eta|<0.8 (electrons)
55 hDeDxVsNclBefore(0x0), // dE/dx vs ncl for step 2 calib (pion MIPs)
56 hDeDxVsNcl(0x0), // dE/dx vs ncl no eta cut (pion MIPs)
57 hDeDxVsNcl1(0x0), // dE/dx vs ncl 0.0<|eta|<0.2 (pion MIPs)
58 hDeDxVsNcl2(0x0), // dE/dx vs ncl 0.2<|eta|<0.4 (pion MIPs)
59 hDeDxVsNcl3(0x0), // dE/dx vs ncl 0.4<|eta|<0.6 (pion MIPs)
60 hDeDxVsNcl4(0x0), // dE/dx vs ncl 0.6<|eta|<0.8 (pion MIPs)
61 hDeDxVsNclElectrons(0x0), // dE/dx vs ncl no eta cut (electrons)
62 hDeDxVsNclElectrons1(0x0), // dE/dx vs ncl 0.0<|eta|<0.2 (electrons)
63 hDeDxVsNclElectrons2(0x0), // dE/dx vs ncl 0.2<|eta|<0.4 (electrons)
64 hDeDxVsNclElectrons3(0x0), // dE/dx vs ncl 0.4<|eta|<0.6 (electrons)
65 hDeDxVsNclElectrons4(0x0), // dE/dx vs ncl 0.6<|eta|<0.8 (electrons)
66 hMeanP(0x0), // <p> vs p
67 hDeDxVsP(0x0), // dE/dx vs p
68 hDeDxVsPPiMc(0x0), // dE/dx vs p for MC pions
69 hDeDxVsPKMc(0x0), // dE/dx vs p for MC Kaons
70 hDeDxVsPPMc(0x0), // dE/dx vs p for MC protons
71 hDeDxVsPEMc(0x0), // dE/dx vs p for MC electrons
72 hDeDxVsPMuMc(0x0) // dE/dx vs p for MC muons
73{
74 // default constructor - do not use
75
76}
77
78//_________________________________________________________
79AliHighPtDeDxCalib::AliHighPtDeDxCalib(const char* name, const char* title):
80 AliHighPtDeDxBase(name, title),
81 fStep(1), // Step 1 = Eta calibration, step 2 = dE/dx calibration
82 fInit(0), // Step 1 = Eta calibration, step 2 = dE/dx calibration, step = 3 ncl calib
83 fPMIPMin(0.4), // Min P for MIP pion
84 fPMIPMax(0.6), // Max P for MIP pion
85 fDeDxMIPMin(40), // Min dE/dx for MIP pion
86 fDeDxMIPMax(60), // Max dE/dx for MIP pion
87 fDeltaBeta(0.1), // delta beta cut for electrons
88 fDeDxPi(0x0), // dE/dx vs p for pions
89 fSigmaDeDx(0x0), // sigma dE/dx vs ncl
90 fDeDxVsEtaNeg(0x0), // eta < 0 dE/dx calib
91 fDeDxVsEtaPos(0x0), // eta > 0 dE/dx calib
92 fDeDxVsNcl(0x0), // ncl dE/dx calib
93 hSelection1(0x0), // selected region in p and dE/dx for pion MIPs
94 hSelection2(0x0), // selected region in p and dE/dx for pion MIPs
95 hSelection3(0x0), // selected region in p and dE/dx for pion MIPs
96 hSelectionElectrons2(0x0), // selected region in p and dE/dx for electrons
97 hSelectionElectrons3(0x0), // selected region in p and dE/dx for electrons
98 hDeDxVsEta(0x0), // dE/dx vs eta uncalibrated (pion MIPs)
99 hDeDxVsEtaElectrons(0x0), // dE/dx vs eta uncalibrated (electrons)
100 hNclVsEta(0x0), // Ncl vs eta (pion MIPs)
101 hNclVsEtaElectrons(0x0), // Ncl vs eta (electrons)
102 hDeDxVsEtaCal(0x0), // dE/dx vs eta calibrated (pion MIPs)
103 hDeDxVsEtaCalElectrons(0x0), // dE/dx vs eta calibrated (electrons)
104 hMeanEta(0x0), // <eta> in the 4 eta interval (pion MIPs)
105 hMeanEtaElectrons(0x0), // <eta> in the 4 eta interval (electrons)
106 hDeDx(0x0), // dE/dx no eta cut (pion MIPs)
107 hDeDx1(0x0), // dE/dx 0.0<|eta|<0.2 (pion MIPs)
108 hDeDx2(0x0), // dE/dx 0.2<|eta|<0.4 (pion MIPs)
109 hDeDx3(0x0), // dE/dx 0.4<|eta|<0.6 (pion MIPs)
110 hDeDx4(0x0), // dE/dx 0.6<|eta|<0.8 (pion MIPs)
111 hDeDxElectrons(0x0), // dE/dx no eta cut (electrons)
112 hDeDxElectrons1(0x0), // dE/dx 0.0<|eta|<0.2 (electrons)
113 hDeDxElectrons2(0x0), // dE/dx 0.2<|eta|<0.4 (electrons)
114 hDeDxElectrons3(0x0), // dE/dx 0.4<|eta|<0.6 (electrons)
115 hDeDxElectrons4(0x0), // dE/dx 0.6<|eta|<0.8 (electrons)
116 hDeDxVsNclBefore(0x0), // dE/dx vs ncl no eta cut (pion MIPs)
117 hDeDxVsNcl(0x0), // dE/dx vs ncl no eta cut (pion MIPs)
118 hDeDxVsNcl1(0x0), // dE/dx vs ncl 0.0<|eta|<0.2 (pion MIPs)
119 hDeDxVsNcl2(0x0), // dE/dx vs ncl 0.2<|eta|<0.4 (pion MIPs)
120 hDeDxVsNcl3(0x0), // dE/dx vs ncl 0.4<|eta|<0.6 (pion MIPs)
121 hDeDxVsNcl4(0x0), // dE/dx vs ncl 0.6<|eta|<0.8 (pion MIPs)
122 hDeDxVsNclElectrons(0x0), // dE/dx vs ncl no eta cut (electrons)
123 hDeDxVsNclElectrons1(0x0), // dE/dx vs ncl 0.0<|eta|<0.2 (electrons)
124 hDeDxVsNclElectrons2(0x0), // dE/dx vs ncl 0.2<|eta|<0.4 (electrons)
125 hDeDxVsNclElectrons3(0x0), // dE/dx vs ncl 0.4<|eta|<0.6 (electrons)
126 hDeDxVsNclElectrons4(0x0), // dE/dx vs ncl 0.6<|eta|<0.8 (electrons)
127 hMeanP(0x0), // <p> vs p
128 hDeDxVsP(0x0), // dE/dx vs p
129 hDeDxVsPPiMc(0x0), // dE/dx vs p for MC pions
130 hDeDxVsPKMc(0x0), // dE/dx vs p for MC Kaons
131 hDeDxVsPPMc(0x0), // dE/dx vs p for MC protons
132 hDeDxVsPEMc(0x0), // dE/dx vs p for MC electrons
133 hDeDxVsPMuMc(0x0) // dE/dx vs p for MC muons
134{
135 // named constructor
136}
137
138//_________________________________________________________
139AliHighPtDeDxCalib::~AliHighPtDeDxCalib()
140{
141 delete fDeDxPi;
142 delete fSigmaDeDx;
143 delete fDeDxVsEtaNeg;
144 delete fDeDxVsEtaPos;
145 delete fDeDxVsNcl;
146 delete hSelection1;
147 delete hSelection2;
148 delete hSelection3;
149 delete hSelectionElectrons2;
150 delete hSelectionElectrons3;
151 delete hDeDxVsEta;
152 delete hDeDxVsEtaElectrons;
153 delete hNclVsEta;
154 delete hNclVsEtaElectrons;
155 delete hDeDxVsEtaCal;
156 delete hDeDxVsEtaCalElectrons;
157 delete hMeanEta;
158 delete hMeanEtaElectrons;
159 delete hDeDx;
160 delete hDeDx1;
161 delete hDeDx2;
162 delete hDeDx3;
163 delete hDeDx4;
164 delete hDeDxElectrons;
165 delete hDeDxElectrons1;
166 delete hDeDxElectrons2;
167 delete hDeDxElectrons3;
168 delete hDeDxElectrons4;
169 delete hDeDxVsNclBefore;
170 delete hDeDxVsNcl;
171 delete hDeDxVsNcl1;
172 delete hDeDxVsNcl2;
173 delete hDeDxVsNcl3;
174 delete hDeDxVsNcl4;
175 delete hDeDxVsNclElectrons;
176 delete hDeDxVsNclElectrons1;
177 delete hDeDxVsNclElectrons2;
178 delete hDeDxVsNclElectrons3;
179 delete hDeDxVsNclElectrons4;
180 delete hMeanP;
181 delete hDeDxVsP;
182 delete hDeDxVsPPiMc;
183 delete hDeDxVsPKMc;
184 delete hDeDxVsPPMc;
185 delete hDeDxVsPEMc;
186 delete hDeDxVsPMuMc;
187}
188
189//_________________________________________________________
190void AliHighPtDeDxCalib::Init(Int_t nPtBins, Double_t* ptBins)
191{
192 //
193 // Create histograms and functions
194 //
195
196 //
197 // init base class
198 //
199 AliHighPtDeDxBase::Init(nPtBins, ptBins);
200
201 //
202 // functions
203 //
204 fDeDxVsEtaNeg = new TF1("fDeDxVsEtaNeg", "pol3", -1, 0);
205 fDeDxVsEtaNeg->SetParameters(50, 0, 0, 0);
206 fDeDxVsEtaPos = new TF1("fDeDxVsEtaPos", "pol3", 0, +1);
207 fDeDxVsEtaPos->SetParameters(50, 0, 0, 0);
208
209 fDeDxVsNcl = new TF1("fDeDxVsNcl", "pol1", 0, 160);
210 fDeDxVsNcl->SetParameters(50, 0);
211}
212
213void AliHighPtDeDxCalib::Init(Int_t step, Int_t nPtBins, Double_t* ptBins)
214{
215 if(step != fStep)
216 cout << "Warning! Innit called for step " << step << " but next step is " << fStep << endl;
217
218 if(fInit>=step) {
219 cout << "Step " << step << " has been initialized!" << endl;
220 return;
221 }
222
223 switch (step) {
224 case 1:
225 //
226 // step 1 histograms - nCl calibration
227 //
228 hSelection1 = new TH2D("hSelection1", "dE/dx vs P (pion MIPs) step 1; P [GeV/c]; dE/dx",
229 100, 0.2, 0.8,
230 100, 0, 100);
231 hSelection1->SetDirectory(0);
232
233 hDeDxVsNclBefore = new TH2D("hDeDxVsNclBefore", "dE/dx vs Ncl (pion MIPs); Ncl; dE/dx",
234 18, 69.5, 159.5,
235 fDeDxMIPMax-fDeDxMIPMin, fDeDxMIPMin, fDeDxMIPMax);
236 hDeDxVsNclBefore->Sumw2();
237 hDeDxVsNclBefore->SetDirectory(0);
238
239 fInit = 1;
240
241 break;
242
243 case 2:
244 //
245 // step 2 histograms - eta calibration
246 //
247
248 hSelection2 = new TH2D("hSelection1", "dE/dx vs P (pion MIPs) step 2; P [GeV/c]; dE/dx",
249 100, 0.2, 0.8,
250 100, 0, 100);
251 hSelection2->SetDirectory(0);
252
253 hSelectionElectrons2 = new TH2D("hSelectionElectrons3", "dE/dx vs P (electrons) step 2; P [GeV/c]; dE/dx",
254 100, 0.2, 0.8,
255 100, 0, 100);
256 hSelectionElectrons2->SetDirectory(0);
257
258 hDeDxVsEta = new TH2D("hDeDxVsEta", "dE/dx vs #eta (pion MIPs); #eta; dE/dx",
259 50, -1.0, 1.0,
260 fDeDxMIPMax-fDeDxMIPMin, fDeDxMIPMin, fDeDxMIPMax);
261 hDeDxVsEta->Sumw2();
262 hDeDxVsEta->SetDirectory(0);
263
264 hDeDxVsEtaElectrons = new TH2D("hDeDxVsEtaElectrons", "dE/dx vs #eta (electrons); #eta; dE/dx",
265 50, -1.0, 1.0,
266 95-fDeDxMIPMax, fDeDxMIPMax, 95);
267 hDeDxVsEtaElectrons->Sumw2();
268 hDeDxVsEtaElectrons->SetDirectory(0);
269
270 hNclVsEta = new TH2D("hNclVsEta", "Ncl vs #eta (pion MIPs); #eta; Ncl",
271 50, -1.0, 1.0,
272 18, 69.5, 159.5);
273 hNclVsEta->Sumw2();
274 hNclVsEta->SetDirectory(0);
275 hNclVsEtaElectrons = new TH2D("hNclVsEtaElectrons", "Ncl vs #eta (electrons); #eta; Ncl",
276 50, -1.0, 1.0,
277 18, 69.5, 159.5);
278 hNclVsEtaElectrons->Sumw2();
279 hNclVsEtaElectrons->SetDirectory(0);
280
281 fInit = 2;
282
283 break;
284
285 case 3:
286
287 //
288 // step 3 histograms
289 //
290 hSelection3 = new TH2D("hSelection3", "dE/dx vs P (pion MIPs) step 3; P [GeV/c]; dE/dx",
291 100, 0.2, 0.8,
292 100, 0, 100);
293 hSelection3->SetDirectory(0);
294
295 hSelectionElectrons3 = new TH2D("hSelectionElectrons3", "dE/dx vs P (electrons) step 3; P [GeV/c]; dE/dx",
296 100, 0.2, 0.8,
297 100, 0, 100);
298 hSelectionElectrons3->SetDirectory(0);
299
300
301 hMeanP = new TProfile("hMeanP", "mean p; p [GeV/c]; mean p",
302 nPtBins, ptBins);
303 hMeanP->SetDirectory(0);
304
305 hDeDxVsP = new TH2D("hDeDxVsP", "dE/dx vs P; p [GeV/c]; dE/dx",
306 nPtBins, ptBins, 55, 40, 95);
307 hDeDxVsP->Sumw2();
308 hDeDxVsP->SetDirectory(0);
309 // dE/dx vs p
310 if(fIsMc) {
311
312 hDeDxVsPPiMc = new TH2D("hDeDxVsPPiMc", "dE/dx vs P; p [GeV/c]; dE/dx",
313 nPtBins, ptBins, 55, 40, 95);
314 hDeDxVsPPiMc->Sumw2();
315 hDeDxVsPPiMc->SetDirectory(0);
316
317 hDeDxVsPKMc = new TH2D("hDeDxVsPKMc", "dE/dx vs P; p [GeV/c]; dE/dx",
318 nPtBins, ptBins, 55, 40, 95);
319 hDeDxVsPKMc->Sumw2();
320 hDeDxVsPKMc->SetDirectory(0);
321
322 hDeDxVsPPMc = new TH2D("hDeDxVsPPMc", "dE/dx vs P; p [GeV/c]; dE/dx",
323 nPtBins, ptBins, 55, 40, 95);
324 hDeDxVsPPMc->Sumw2();
325 hDeDxVsPPMc->SetDirectory(0);
326
327 hDeDxVsPEMc = new TH2D("hDeDxVsPEMc", "dE/dx vs P; p [GeV/c]; dE/dx",
328 nPtBins, ptBins, 55, 40, 95);
329 hDeDxVsPEMc->Sumw2();
330 hDeDxVsPEMc->SetDirectory(0);
331
332 hDeDxVsPMuMc = new TH2D("hDeDxVsPMuMc", "dE/dx vs P; p [GeV/c]; dE/dx",
333 nPtBins, ptBins, 55, 40, 95);
334 hDeDxVsPMuMc->Sumw2();
335 hDeDxVsPMuMc->SetDirectory(0);
336 }
337
338 //
339 // step 3 histograms reated to the eta calibration
340 //
341
342 hDeDxVsEtaCal = new TH2D("hDeDxVsEtaCal", "dE/dx vs #eta calibrated (pion MIPs); #eta; dE/dx",
343 50, -1.0, 1.0,
344 fDeDxMIPMax-fDeDxMIPMin, fDeDxMIPMin, fDeDxMIPMax);
345 hDeDxVsEtaCal->Sumw2();
346 hDeDxVsEtaCal->SetDirectory(0);
347
348 hDeDxVsEtaCalElectrons = new TH2D("hDeDxVsEtaCalElectrons", "dE/dx vs #eta calibrated (electrons); #eta; dE/dx",
349 50, -1.0, 1.0,
350 95-fDeDxMIPMax, fDeDxMIPMax, 95);
351 hDeDxVsEtaCalElectrons->Sumw2();
352 hDeDxVsEtaCalElectrons->SetDirectory(0);
353
354 //
355 // step 3 histograms related to resolution
356 //
357 hMeanEta = new TProfile("hMeanEta", "<|#eta|> in |#eta| intervals (pion MIPs); |#eta|; <|#eta|>",
358 4, 0, 0.8);
359 hMeanEta->SetDirectory(0);
360
361 hMeanEtaElectrons = new TProfile("hMeanEtaElectrons", "<|#eta|> in |#eta| intervals (electrons); |#eta|; <|#eta|>",
362 4, 0, 0.8);
363 hMeanEtaElectrons->SetDirectory(0);
364
365 hDeDx = new TH1D("hDeDx", "dE/dx (pion MIPs); dE/dx; Counts",
366 fDeDxMIPMax-fDeDxMIPMin, fDeDxMIPMin, fDeDxMIPMax);
367 hDeDx->Sumw2();
368 hDeDx->SetDirectory(0);
369 hDeDx1 = new TH1D("hDeDx1", "dE/dx |#eta|<0.2 (pion MIPs); dE/dx; Counts",
370 fDeDxMIPMax-fDeDxMIPMin, fDeDxMIPMin, fDeDxMIPMax);
371 hDeDx1->Sumw2();
372 hDeDx1->SetDirectory(0);
373 hDeDx2 = new TH1D("hDeDx2", "dE/dx 0.2<|#eta|<0.4 (pion MIPs); dE/dx; Counts",
374 fDeDxMIPMax-fDeDxMIPMin, fDeDxMIPMin, fDeDxMIPMax);
375 hDeDx2->Sumw2();
376 hDeDx2->SetDirectory(0);
377 hDeDx3 = new TH1D("hDeDx3", "dE/dx 0.4<|#eta|<0.6 (pion MIPs); dE/dx; Counts",
378 fDeDxMIPMax-fDeDxMIPMin, fDeDxMIPMin, fDeDxMIPMax);
379 hDeDx3->Sumw2();
380 hDeDx3->SetDirectory(0);
381 hDeDx4 = new TH1D("hDeDx4", "dE/dx 0.6<|#eta|<0.8 (pion MIPs); dE/dx; Counts",
382 fDeDxMIPMax-fDeDxMIPMin, fDeDxMIPMin, fDeDxMIPMax);
383 hDeDx4->Sumw2();
384 hDeDx4->SetDirectory(0);
385
386 hDeDxElectrons = new TH1D("hDeDxElectrons", "dE/dx (electrons); dE/dx; Counts",
387 95-fDeDxMIPMax, fDeDxMIPMax, 95);
388 hDeDxElectrons->Sumw2();
389 hDeDxElectrons->SetDirectory(0);
390 hDeDxElectrons1 = new TH1D("hDeDxElectrons1", "dE/dx |#eta|<0.2 (electrons); dE/dx; Counts",
391 95-fDeDxMIPMax, fDeDxMIPMax, 95);
392 hDeDxElectrons1->Sumw2();
393 hDeDxElectrons1->SetDirectory(0);
394 hDeDxElectrons2 = new TH1D("hDeDxElectrons2", "dE/dx 0.2<|#eta|<0.4 (electrons); dE/dx; Counts",
395 95-fDeDxMIPMax, fDeDxMIPMax, 95);
396 hDeDxElectrons2->Sumw2();
397 hDeDxElectrons2->SetDirectory(0);
398 hDeDxElectrons3 = new TH1D("hDeDxElectrons3", "dE/dx 0.4<|#eta|<0.6 (electrons); dE/dx; Counts",
399 95-fDeDxMIPMax, fDeDxMIPMax, 95);
400 hDeDxElectrons3->Sumw2();
401 hDeDxElectrons3->SetDirectory(0);
402 hDeDxElectrons4 = new TH1D("hDeDxElectrons4", "dE/dx 0.6<|#eta|<0.8 (electrons); dE/dx; Counts",
403 95-fDeDxMIPMax, fDeDxMIPMax, 95);
404 hDeDxElectrons4->Sumw2();
405 hDeDxElectrons4->SetDirectory(0);
406
407 //
408 // step 3 histograms for resolution
409 //
410
411
412
413 hDeDxVsNcl = new TH2D("hDeDxVsNcl", "dE/dx vs Ncl (pion MIPs); Ncl; dE/dx",
414 18, 69.5, 159.5,
415 fDeDxMIPMax-fDeDxMIPMin, fDeDxMIPMin, fDeDxMIPMax);
416 hDeDxVsNcl->Sumw2();
417 hDeDxVsNcl->SetDirectory(0);
418 hDeDxVsNcl1 = new TH2D("hDeDxVsNcl1", "dE/dx vs Ncl |#eta|<0.2 (pion MIPs); Ncl; dE/dx",
419 18, 69.5, 159.5,
420 fDeDxMIPMax-fDeDxMIPMin, fDeDxMIPMin, fDeDxMIPMax);
421 hDeDxVsNcl1->Sumw2();
422 hDeDxVsNcl1->SetDirectory(0);
423 hDeDxVsNcl2 = new TH2D("hDeDxVsNcl2", "dE/dx vs Ncl 0.2<|#eta|<0.4 (pion MIPs); Ncl; dE/dx",
424 18, 69.5, 159.5,
425 fDeDxMIPMax-fDeDxMIPMin, fDeDxMIPMin, fDeDxMIPMax);
426 hDeDxVsNcl2->Sumw2();
427 hDeDxVsNcl2->SetDirectory(0);
428 hDeDxVsNcl3 = new TH2D("hDeDxVsNcl3", "dE/dx vs Ncl 0.4<|#eta|<0.6 (pion MIPs); Ncl; dE/dx",
429 18, 69.5, 159.5,
430 fDeDxMIPMax-fDeDxMIPMin, fDeDxMIPMin, fDeDxMIPMax);
431 hDeDxVsNcl3->Sumw2();
432 hDeDxVsNcl3->SetDirectory(0);
433 hDeDxVsNcl4 = new TH2D("hDeDxVsNcl4", "dE/dx vs Ncl 0.6<|#eta|<0.8 (pion MIPs); Ncl; dE/dx",
434 18, 69.5, 159.5,
435 fDeDxMIPMax-fDeDxMIPMin, fDeDxMIPMin, fDeDxMIPMax);
436 hDeDxVsNcl4->Sumw2();
437 hDeDxVsNcl4->SetDirectory(0);
438
439 hDeDxVsNclElectrons = new TH2D("hDeDxVsNclElectrons", "dE/dx vs Ncl (electrons); Ncl; dE/dx",
440 18, 69.5, 159.5,
441 95-fDeDxMIPMax, fDeDxMIPMax, 95);
442 hDeDxVsNclElectrons->Sumw2();
443 hDeDxVsNclElectrons->SetDirectory(0);
444 hDeDxVsNclElectrons1 = new TH2D("hDeDxVsNclElectrons1", "dE/dx vs Ncl |#eta|<0.2 (electrons); Ncl; dE/dx",
445 18, 69.5, 159.5,
446 95-fDeDxMIPMax, fDeDxMIPMax, 95);
447 hDeDxVsNclElectrons1->Sumw2();
448 hDeDxVsNclElectrons1->SetDirectory(0);
449 hDeDxVsNclElectrons2 = new TH2D("hDeDxVsNclElectrons2", "dE/dx vs Ncl 0.2<|#eta|<0.4 (electrons); Ncl; dE/dx",
450 18, 69.5, 159.5,
451 95-fDeDxMIPMax, fDeDxMIPMax, 95);
452 hDeDxVsNclElectrons2->Sumw2();
453 hDeDxVsNclElectrons2->SetDirectory(0);
454 hDeDxVsNclElectrons3 = new TH2D("hDeDxVsNclElectrons3", "dE/dx vs Ncl 0.4<|#eta|<0.6 (electrons); Ncl; dE/dx",
455 18, 69.5, 159.5,
456 95-fDeDxMIPMax, fDeDxMIPMax, 95);
457 hDeDxVsNclElectrons3->Sumw2();
458 hDeDxVsNclElectrons3->SetDirectory(0);
459 hDeDxVsNclElectrons4 = new TH2D("hDeDxVsNclElectrons4", "dE/dx vs Ncl 0.6<|#eta|<0.8 (electrons); Ncl; dE/dx",
460 18, 69.5, 159.5,
461 95-fDeDxMIPMax, fDeDxMIPMax, 95);
462 hDeDxVsNclElectrons4->Sumw2();
463 hDeDxVsNclElectrons4->SetDirectory(0);
464
465 fInit = 3;
466
467 break;
468 default:
469 cout << "No init implemented for step: " << step << endl;
470 }
471}
472
473//_________________________________________________________
474void AliHighPtDeDxCalib::FillTrackInfo(Float_t weight)
475{
476 if(fStep > 2) { // calibate eta dependence
477
478 if(fTrackEta < 0)
479 fTrackDeDx *= 50.0 / fDeDxVsEtaNeg->Eval(fTrackEta);
480 else
481 fTrackDeDx *= 50.0 / fDeDxVsEtaPos->Eval(fTrackEta);
482 }
483
484 if(fStep > 1) { // calibate ncl dependence
485
486 fTrackDeDx *= 50.0 / fDeDxVsNcl->Eval(fTrackNcl);
487 }
488
489 //
490 // Fill information for MIP pions
491 //
492 if(IsMIP()) {
493
494 if(fStep == 2) { // calibate eta
495
496 hSelection2->Fill(fTrackP, fTrackDeDx);
497 hDeDxVsEta->Fill(fTrackEta, fTrackDeDx);
498 hNclVsEta->Fill(fTrackEta, fTrackNcl);
499 } else if (fStep==1) { // calibrate nCl dependence
500
501 hSelection1->Fill(fTrackP, fTrackDeDx);
502 hDeDxVsNclBefore->Fill(fTrackNcl, fTrackDeDx);
503
504 } else if (fStep==3) { // calibrate <dE/dx>pi and check eta calibration
505
506 AliHighPtDeDxBase::FillTrackInfo(weight);
507
508 hSelection3->Fill(fTrackP, fTrackDeDx);
509
510 hDeDxVsEtaCal->Fill(fTrackEta, fTrackDeDx);
511
512 hMeanEta->Fill(TMath::Abs(fTrackEta), TMath::Abs(fTrackEta));
513 hDeDx->Fill(fTrackDeDx);
514 hDeDxVsNcl->Fill(fTrackNcl, fTrackDeDx);
515 if(TMath::Abs(fTrackEta)<0.2) {
516 hDeDx1->Fill(fTrackDeDx);
517 hDeDxVsNcl1->Fill(fTrackNcl, fTrackDeDx);
518 } else if(TMath::Abs(fTrackEta)>=0.2&&TMath::Abs(fTrackEta)<0.4) {
519 hDeDx2->Fill(fTrackDeDx);
520 hDeDxVsNcl2->Fill(fTrackNcl, fTrackDeDx);
521 } else if(TMath::Abs(fTrackEta)>=0.4&&TMath::Abs(fTrackEta)<0.6) {
522 hDeDx3->Fill(fTrackDeDx);
523 hDeDxVsNcl3->Fill(fTrackNcl, fTrackDeDx);
524 }else if(TMath::Abs(fTrackEta)>=0.6&&TMath::Abs(fTrackEta)<0.8) {
525 hDeDx4->Fill(fTrackDeDx);
526 hDeDxVsNcl4->Fill(fTrackNcl, fTrackDeDx);
527 }
528 }
529 }
530
531 //
532 // Fill information for electrons with same p as MIP pions
533 //
534 // This is done to validate the calibration/assumptions about sigma for a
535 // group of tracks with same topology but much higher dE/dx (plateau)
536 //
537 if(fStep > 1 && IsElectron()) {
538
539 if(fStep == 2) { // calibate eta
540
541 hSelectionElectrons2->Fill(fTrackP, fTrackDeDx);
542 hDeDxVsEtaElectrons->Fill(fTrackEta, fTrackDeDx);
543 hNclVsEtaElectrons->Fill(fTrackEta, fTrackNcl);
544 } else if (fStep==3) { // calibrate <dE/dx>pi and check eta calibration
545
546 hSelectionElectrons3->Fill(fTrackP, fTrackDeDx);
547
548 hDeDxVsEtaCalElectrons->Fill(fTrackEta, fTrackDeDx);
549
550 hMeanEtaElectrons->Fill(TMath::Abs(fTrackEta), TMath::Abs(fTrackEta));
551 hDeDxElectrons->Fill(fTrackDeDx);
552 hDeDxVsNclElectrons->Fill(fTrackNcl, fTrackDeDx);
553 if(TMath::Abs(fTrackEta)<0.2) {
554 hDeDxElectrons1->Fill(fTrackDeDx);
555 hDeDxVsNclElectrons1->Fill(fTrackNcl, fTrackDeDx);
556 } else if(TMath::Abs(fTrackEta)>=0.2&&TMath::Abs(fTrackEta)<0.4) {
557 hDeDxElectrons2->Fill(fTrackDeDx);
558 hDeDxVsNclElectrons2->Fill(fTrackNcl, fTrackDeDx);
559 } else if(TMath::Abs(fTrackEta)>=0.4&&TMath::Abs(fTrackEta)<0.6) {
560 hDeDxElectrons3->Fill(fTrackDeDx);
561 hDeDxVsNclElectrons3->Fill(fTrackNcl, fTrackDeDx);
562 }else if(TMath::Abs(fTrackEta)>=0.6&&TMath::Abs(fTrackEta)<0.8) {
563 hDeDxElectrons4->Fill(fTrackDeDx);
564 hDeDxVsNclElectrons4->Fill(fTrackNcl, fTrackDeDx);
565 }
566 }
567 }
568
569 //
570 // Fill information for high pT tracks (dE/dx vs p)
571 //
572 if(fStep==3) { // Fill dE/dx vs
573
574 hDeDxVsP->Fill(fTrackP, fTrackDeDx, weight);
575 hMeanP->Fill(fTrackP, fTrackP);
576
577 if(fIsMc) {
578
579 switch (fTrackPidMc) {
580
581 case 1: // pion
582 hDeDxVsPPiMc->Fill(fTrackP, fTrackDeDx, weight);
583 break;
584 case 2: // kaon
585 hDeDxVsPKMc ->Fill(fTrackP, fTrackDeDx, weight);
586 break;
587 case 3: // proton
588 hDeDxVsPPMc ->Fill(fTrackP, fTrackDeDx, weight);
589 break;
590 case 4: // electron
591 hDeDxVsPEMc ->Fill(fTrackP, fTrackDeDx, weight);
592 break;
593 case 5: // muon
594 hDeDxVsPMuMc ->Fill(fTrackP, fTrackDeDx, weight);
595 break;
596 default:
597 break;
598 }
599 }
600 }
601}
602
603
604//___________________________________________________________________________
605Bool_t AliHighPtDeDxCalib::IsMIP()
606{
607 if(fTrackP > fPMIPMin && fTrackP<fPMIPMax &&
608 fTrackDeDx > fDeDxMIPMin && fTrackDeDx < fDeDxMIPMax)
609 return kTRUE;
610
611 return kFALSE;
612}
613
614//___________________________________________________________________________
615Bool_t AliHighPtDeDxCalib::IsElectron()
616{
617 if(fTrackP > fPMIPMin && fTrackP<fPMIPMax &&
618 fTrackDeDx > (fDeDxMIPMax+5) && TMath::Abs(fTrackBeta-1)<fDeltaBeta)
619 return kTRUE;
620
621 return kFALSE;
622}
623
624
625//___________________________________________________________________________
626void AliHighPtDeDxCalib::PerformEtaCal()
627{
628 TProfile* hDeDxVsEtaProf = hDeDxVsEta->ProfileX();
629 hDeDxVsEtaProf->SetMarkerStyle(29);
630 hDeDxVsEtaProf->Fit(fDeDxVsEtaNeg, "0", "", -1, 0);
631 hDeDxVsEtaProf->Fit(fDeDxVsEtaPos, "0", "", 0, 1);
632 delete hDeDxVsEtaProf;
633}
634
635//___________________________________________________________________________
636void AliHighPtDeDxCalib::PerformNclCal()
637{
638 TProfile* hDeDxVsNclProf = hDeDxVsNclBefore->ProfileX();
639 hDeDxVsNclProf->SetMarkerStyle(29);
640 hDeDxVsNclProf->Fit(fDeDxVsNcl, "0", "", 69.5, 159.5);
641 delete hDeDxVsNclProf;
642}
643
644//___________________________________________________________________________
645TCanvas* AliHighPtDeDxCalib::DrawNclCal()
646{
647 TCanvas* cNcl = new TCanvas("cNcl", "dE/dx vs Ncl for MIP pions", 600, 400);
648 cNcl->Clear();
649 cNcl->cd();
650 hDeDxVsNclBefore->DrawCopy("COL");
651 TProfile* hDeDxVsNclProf = hDeDxVsNclBefore->ProfileX();
652 hDeDxVsNclProf->SetMarkerStyle(29);
653 hDeDxVsNclProf->DrawCopy("SAME");
654 fDeDxVsNcl->Draw("SAME");
655 delete hDeDxVsNclProf;
656 return cNcl;
657}
658
659//___________________________________________________________________________
660TCanvas* AliHighPtDeDxCalib::DrawEta(Bool_t forMIP)
661{
662 // Draw dE/dx vs eta for step 1 (calibration)
663 if(forMIP) {
664
665 TCanvas* cEta = new TCanvas("cEta", "dE/dx vs Eta for MIP pions", 600, 400);
666 cEta->Clear();
667 cEta->cd();
668 hDeDxVsEta->DrawCopy("COL");
669
670 TProfile* hDeDxVsEtaProf = hDeDxVsEta->ProfileX();
671 hDeDxVsEtaProf->SetMarkerStyle(29);
672 hDeDxVsEtaProf->DrawCopy("SAME");
673 fDeDxVsEtaNeg->DrawCopy("SAME");
674 fDeDxVsEtaPos->DrawCopy("SAME");
675
676 return cEta;
677 }
678
679 TCanvas* cEta = new TCanvas("cEtaElectrons", "dE/dx vs Eta for electrons", 600, 400);
680 cEta->Clear();
681 cEta->cd();
682 hDeDxVsEtaElectrons->DrawCopy("COL");
683
684 TProfile* hDeDxVsEtaProfElectrons = hDeDxVsEtaElectrons->ProfileX();
685 hDeDxVsEtaProfElectrons->SetMarkerStyle(29);
686 hDeDxVsEtaProfElectrons->DrawCopy("SAME");
687
688 return cEta;
689}
690
691//___________________________________________________________________________
692TCanvas* AliHighPtDeDxCalib::DrawEtaCalibrated(Bool_t forMIP)
693{
694 // Draw dE/dx vs eta for step 2 (after calibration)
695 if(forMIP) {
696
697 TCanvas* cEtaCal = new TCanvas("cEtaCal", "dE/dx vs Eta for MIP pions (calibrated)", 600, 400);
698 cEtaCal->Clear();
699 cEtaCal->cd();
700 hDeDxVsEtaCal->DrawCopy("COL");
701
702 TProfile* hDeDxVsEtaCalProf = hDeDxVsEtaCal->ProfileX();
703 hDeDxVsEtaCalProf->SetMarkerStyle(29);
704 hDeDxVsEtaCalProf->DrawCopy("SAME");
705
706 return cEtaCal;
707 }
708
709 TCanvas* cEtaCalElectrons = new TCanvas("cEtaCalElectrons", "dE/dx vs Eta (calibrated electrons)", 600, 400);
710 cEtaCalElectrons->Clear();
711 cEtaCalElectrons->cd();
712 hDeDxVsEtaCalElectrons->DrawCopy("COL");
713 TProfile* hDeDxVsEtaCalElectronsProf =
714 hDeDxVsEtaCalElectrons->ProfileX();
715 hDeDxVsEtaCalElectronsProf->SetMarkerStyle(29);
716 hDeDxVsEtaCalElectronsProf->DrawCopy("SAME");
717
718 return cEtaCalElectrons;
719}
720
721//___________________________________________________________________________
722TCanvas* AliHighPtDeDxCalib::DrawSelectionHistograms(Int_t step)
723{
724 TCanvas* cSelection = new TCanvas("cSelection", "dE/dx vs p selection", 800, 800);
725 cSelection->Clear();
726 cSelection->Divide(2,2);
727
728 cSelection->cd(1);
729 if(step==1)
730 hSelection1->DrawCopy("COL");
731 else if(step==2)
732 hSelection2->DrawCopy("COL");
733 else if(step==3)
734 hSelection3->DrawCopy("COL");
735
736 cSelection->cd(2);
737 if(step==2)
738 hSelectionElectrons2->DrawCopy("COL");
739 else if(step==3)
740 hSelectionElectrons3->DrawCopy("COL");
741
742 cSelection->cd(3);
743 hNclVsEta->DrawCopy("COL");
744
745 cSelection->cd(4);
746 hNclVsEtaElectrons->DrawCopy("COL");
747
748 return cSelection;
749}
750
751//___________________________________________________________________________
752TH1D* AliHighPtDeDxCalib::GetHistDeDx(Bool_t forMIP, Int_t etaBin)
753{
754 switch (etaBin) {
755
756 case 0:
757 if(forMIP)
758 return hDeDx;
759 else
760 return hDeDxElectrons;
761 break;
762 case 1:
763 if(forMIP)
764 return hDeDx1;
765 else
766 return hDeDxElectrons1;
767 break;
768 case 2:
769 if(forMIP)
770 return hDeDx2;
771 else
772 return hDeDxElectrons2;
773 break;
774 case 3:
775 if(forMIP)
776 return hDeDx3;
777 else
778 return hDeDxElectrons3;
779 break;
780 case 4:
781 if(forMIP)
782 return hDeDx4;
783 else
784 return hDeDxElectrons4;
785 break;
786 default:
787 cout << "Eta bin: " << etaBin << " not found" << endl;
788 break;
789 }
790 return 0;
791}
792
793//___________________________________________________________________________
794TH2D* AliHighPtDeDxCalib::GetHistDeDxVsNcl(Bool_t forMIP, Int_t etaBin)
795{
796 switch (etaBin) {
797
798 case 0:
799 if(forMIP)
800 return hDeDxVsNcl;
801 else
802 return hDeDxVsNclElectrons;
803 break;
804 case 1:
805 if(forMIP)
806 return hDeDxVsNcl1;
807 else
808 return hDeDxVsNclElectrons1;
809 break;
810 case 2:
811 if(forMIP)
812 return hDeDxVsNcl2;
813 else
814 return hDeDxVsNclElectrons2;
815 break;
816 case 3:
817 if(forMIP)
818 return hDeDxVsNcl3;
819 else
820 return hDeDxVsNclElectrons3;
821 break;
822 case 4:
823 if(forMIP)
824 return hDeDxVsNcl4;
825 else
826 return hDeDxVsNclElectrons4;
827 break;
828 default:
829 cout << "Eta bin: " << etaBin << " not found" << endl;
830 break;
831 }
832 return 0;
833}
834
835//___________________________________________________________________________
836TH2D* AliHighPtDeDxCalib::GetHistDeDxVsP(Int_t pid)
837{
838 switch (pid) {
839
840 case 0:
841 return hDeDxVsP;
842 break;
843 case 1:
844 return hDeDxVsPPiMc;
845 break;
846 case 2:
847 return hDeDxVsPKMc;
848 break;
849 case 3:
850 return hDeDxVsPPMc;
851 break;
852 case 4:
853 return hDeDxVsPEMc;
854 break;
855 case 5:
856 return hDeDxVsPMuMc;
857 break;
858 default:
859 cout << "PID: " << pid << " not found" << endl;
860 break;
861 }
862 return 0;
863}
864
865/*
866
867 }
868
869 }
870
871*/