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76ce4b5b | 1 | //////////////////////////////////////////////////////////////////////////////// |
2 | // // | |
d980278e | 3 | // AliFemtoModelCorrFctnDEtaDPhi - A correlation function that analyzes // |
76ce4b5b | 4 | // two particle correlations with respect to the azimuthal angle (phi) // |
5 | // and pseudorapidity (eta) difference // | |
6 | // // | |
7 | // Authors: Adam Kisiel Adam.Kisiel@cern.ch // | |
8 | // // | |
9 | //////////////////////////////////////////////////////////////////////////////// | |
10 | ||
11 | #include "AliFemtoModelCorrFctnDEtaDPhi.h" | |
12 | //#include "AliFemtoHisto.hh" | |
13 | #include <cstdio> | |
14 | #include <TMath.h> | |
15 | ||
16 | #ifdef __ROOT__ | |
17 | ClassImp(AliFemtoModelCorrFctnDEtaDPhi) | |
18 | #endif | |
19 | ||
20 | /*And some Model libraries..*/ | |
21 | //1 | |
22 | //#include "AliFemtoModelGausLCMSFreezeOutGenerator.h" | |
23 | //#include "AliFemtoModelHiddenInfo.h" | |
24 | //2 | |
25 | #include "AliFemtoModelGausLCMSFreezeOutGenerator.h" | |
26 | #include "AliFemtoModelHiddenInfo.h" | |
27 | #include "AliFemtoPair.h" | |
28 | #include "AliFemtoModelManager.h" | |
29 | // | |
30 | ||
31 | //____________________________ | |
32 | AliFemtoModelCorrFctnDEtaDPhi::AliFemtoModelCorrFctnDEtaDPhi(char* title, const int& aPhiBins=20, const int& aEtaBins=20): | |
33 | AliFemtoModelCorrFctn(), | |
34 | fDPhiDEtaNumeratorTrue(0), | |
35 | fDPhiDEtaNumeratorFake(0), | |
36 | fDPhiDEtaDenominator(0), | |
37 | fDPhiDEtaColNumerator(0), | |
38 | fDPhiDEtaColDenominator(0), | |
39 | fDPhiNumeratorTrue(0), | |
40 | fDPhiNumeratorFake(0), | |
41 | fDPhiDenominator(0), | |
42 | fDCosNumeratorTrue(0), | |
43 | fDCosNumeratorFake(0), | |
44 | fDCosDenominator(0), | |
45 | fDPhiPtNumerator(0), | |
46 | fDPhiPtDenominator(0), | |
47 | fDCosPtNumerator(0), | |
48 | fDCosPtDenominator(0) | |
49 | { | |
50 | // set up numerator | |
51 | char tTitNumDT[101] = "NumDPhiDEtaTrue"; | |
52 | strncat(tTitNumDT,title, 100); | |
53 | fDPhiDEtaNumeratorTrue = new TH2D(tTitNumDT,title,aPhiBins,-0.5*TMath::Pi(),1.5*TMath::Pi(),aEtaBins,-2.0,2.0); | |
54 | ||
55 | char tTitNumDF[101] = "NumDPhiDEtaFake"; | |
56 | strncat(tTitNumDF,title, 100); | |
57 | fDPhiDEtaNumeratorFake = new TH2D(tTitNumDF,title,aPhiBins,-0.5*TMath::Pi(),1.5*TMath::Pi(),aEtaBins,-2.0,2.0); | |
58 | ||
59 | ||
60 | // set up denominator | |
61 | char tTitDenD[101] = "DenDPhiDEta"; | |
62 | strncat(tTitDenD,title, 100); | |
63 | fDPhiDEtaDenominator = new TH2D(tTitDenD,title,aPhiBins,-0.5*TMath::Pi(),1.5*TMath::Pi(),aEtaBins,-2.0,2.0); | |
64 | ||
65 | // set up numerator | |
66 | char tTitNumR[101] = "NumDPhiDEtaCol"; | |
67 | strncat(tTitNumR,title, 100); | |
68 | fDPhiDEtaColNumerator = new TH2D(tTitNumR,title,aPhiBins,-0.5*TMath::Pi(),1.5*TMath::Pi(),aEtaBins,-2.0,2.0); | |
69 | // set up denominator | |
70 | char tTitDenR[101] = "DenDPhiDEtaCol"; | |
71 | strncat(tTitDenR,title, 100); | |
72 | fDPhiDEtaColDenominator = new TH2D(tTitDenR,title,aPhiBins,-0.5*TMath::Pi(),1.5*TMath::Pi(),aEtaBins,-2.0,2.0); | |
73 | ||
74 | // set up numerator | |
75 | char tTitNumDPhiT[101] = "NumDPhiTrue"; | |
76 | strncat(tTitNumDPhiT,title, 100); | |
77 | fDPhiNumeratorTrue = new TH1D(tTitNumDPhiT,title,aPhiBins*2,-0.5*TMath::Pi(),1.5*TMath::Pi()); | |
78 | // set up numerator | |
79 | char tTitNumDPhiF[101] = "NumDPhiFake"; | |
80 | strncat(tTitNumDPhiF,title, 100); | |
81 | fDPhiNumeratorFake = new TH1D(tTitNumDPhiF,title,aPhiBins*2,-0.5*TMath::Pi(),1.5*TMath::Pi()); | |
82 | ||
83 | // set up denominator | |
84 | char tTitDenDPhi[101] = "DenDPhi"; | |
85 | strncat(tTitDenDPhi,title, 100); | |
86 | fDPhiDenominator = new TH1D(tTitDenDPhi,title,aPhiBins*2,-0.5*TMath::Pi(),1.5*TMath::Pi()); | |
87 | ||
88 | // set up numerator | |
89 | char tTitNumDCosT[101] = "NumDCosTrue"; | |
90 | strncat(tTitNumDCosT,title, 100); | |
91 | fDCosNumeratorTrue = new TH1D(tTitNumDCosT,title,aPhiBins*2,-1.0,1.0); | |
92 | // set up numerator | |
93 | char tTitNumDCosF[101] = "NumDCosFake"; | |
94 | strncat(tTitNumDCosF,title, 100); | |
95 | fDCosNumeratorFake = new TH1D(tTitNumDCosF,title,aPhiBins*2,-1.0,1.0); | |
96 | ||
97 | // set up denominator | |
98 | char tTitDenDCos[101] = "DenDCos"; | |
99 | strncat(tTitDenDCos,title, 100); | |
100 | fDCosDenominator = new TH1D(tTitDenDCos,title,aPhiBins*2,-1.0,1.0); | |
101 | ||
102 | // set up numerator | |
103 | char tTitNumDPhiPt[101] = "NumDPhiPt"; | |
104 | strncat(tTitNumDPhiPt,title, 100); | |
105 | fDPhiPtNumerator = new TH2D(tTitNumDPhiPt,title,aPhiBins*2,-0.5*TMath::Pi(),1.5*TMath::Pi(), 30, 0.0, 3.0); | |
106 | // set up denominator | |
107 | char tTitDenDPhiPt[101] = "DenDPhiPt"; | |
108 | strncat(tTitDenDPhiPt,title, 100); | |
109 | fDPhiPtDenominator = new TH2D(tTitDenDPhiPt,title,aPhiBins*2,-0.5*TMath::Pi(),1.5*TMath::Pi(), 30, 0.0, 3.0); | |
110 | ||
111 | // set up numerator | |
112 | char tTitNumDCosPt[101] = "NumDCosPt"; | |
113 | strncat(tTitNumDCosPt,title, 100); | |
114 | fDCosPtNumerator = new TH2D(tTitNumDCosPt,title,aPhiBins*2,-1.0,1.0, 30, 0.0, 3.0); | |
115 | // set up denominator | |
116 | char tTitDenDCosPt[101] = "DenDCosPt"; | |
117 | strncat(tTitDenDCosPt,title, 100); | |
118 | fDCosPtDenominator = new TH2D(tTitDenDCosPt,title,aPhiBins*2,-1.0,1.0, 30, 0.0, 3.0); | |
119 | ||
120 | // to enable error bar calculation... | |
121 | fDPhiDEtaNumeratorTrue->Sumw2(); | |
122 | fDPhiDEtaNumeratorFake->Sumw2(); | |
123 | fDPhiDEtaDenominator->Sumw2(); | |
124 | fDPhiDEtaColNumerator->Sumw2(); | |
125 | fDPhiDEtaColDenominator->Sumw2(); | |
126 | fDPhiNumeratorTrue->Sumw2(); | |
127 | fDPhiNumeratorFake->Sumw2(); | |
128 | fDPhiDenominator->Sumw2(); | |
129 | fDCosNumeratorTrue->Sumw2(); | |
130 | fDCosNumeratorFake->Sumw2(); | |
131 | fDCosDenominator->Sumw2(); | |
132 | fDPhiPtNumerator->Sumw2(); | |
133 | fDPhiPtDenominator->Sumw2(); | |
134 | fDCosPtNumerator->Sumw2(); | |
135 | fDCosPtDenominator->Sumw2(); | |
136 | ||
137 | } | |
138 | ||
139 | //____________________________ | |
140 | AliFemtoModelCorrFctnDEtaDPhi::AliFemtoModelCorrFctnDEtaDPhi(const AliFemtoModelCorrFctnDEtaDPhi& aCorrFctn) : | |
141 | AliFemtoModelCorrFctn(), | |
142 | fDPhiDEtaNumeratorTrue(0), | |
143 | fDPhiDEtaNumeratorFake(0), | |
144 | fDPhiDEtaDenominator(0), | |
145 | fDPhiDEtaColNumerator(0), | |
146 | fDPhiDEtaColDenominator(0), | |
147 | fDPhiNumeratorTrue(0), | |
148 | fDPhiNumeratorFake(0), | |
149 | fDPhiDenominator(0), | |
150 | fDCosNumeratorTrue(0), | |
151 | fDCosNumeratorFake(0), | |
152 | fDCosDenominator(0), | |
153 | fDPhiPtNumerator(0), | |
154 | fDPhiPtDenominator(0), | |
155 | fDCosPtNumerator(0), | |
156 | fDCosPtDenominator(0) | |
157 | { | |
158 | // copy constructor | |
159 | if (aCorrFctn.fDPhiDEtaNumeratorTrue) | |
160 | fDPhiDEtaNumeratorTrue = new TH2D(*aCorrFctn.fDPhiDEtaNumeratorTrue); | |
161 | else | |
162 | fDPhiDEtaNumeratorTrue = 0; | |
163 | if (aCorrFctn.fDPhiDEtaNumeratorFake) | |
164 | fDPhiDEtaNumeratorFake = new TH2D(*aCorrFctn.fDPhiDEtaNumeratorFake); | |
165 | else | |
166 | fDPhiDEtaNumeratorFake = 0; | |
167 | ||
168 | if (aCorrFctn.fDPhiDEtaDenominator) | |
169 | fDPhiDEtaDenominator = new TH2D(*aCorrFctn.fDPhiDEtaDenominator); | |
170 | else | |
171 | fDPhiDEtaDenominator = 0; | |
172 | ||
173 | if (aCorrFctn.fDPhiDEtaColNumerator) | |
174 | fDPhiDEtaColNumerator = new TH2D(*aCorrFctn.fDPhiDEtaColNumerator); | |
175 | else | |
176 | fDPhiDEtaColNumerator = 0; | |
177 | if (aCorrFctn.fDPhiDEtaColDenominator) | |
178 | fDPhiDEtaColDenominator = new TH2D(*aCorrFctn.fDPhiDEtaColDenominator); | |
179 | else | |
180 | fDPhiDEtaColDenominator = 0; | |
181 | ||
182 | if (aCorrFctn.fDPhiNumeratorTrue) | |
183 | fDPhiNumeratorTrue = new TH1D(*aCorrFctn.fDPhiNumeratorTrue); | |
184 | else | |
185 | fDPhiNumeratorTrue = 0; | |
186 | ||
187 | if (aCorrFctn.fDPhiNumeratorFake) | |
188 | fDPhiNumeratorFake = new TH1D(*aCorrFctn.fDPhiNumeratorFake); | |
189 | else | |
190 | fDPhiNumeratorFake = 0; | |
191 | ||
192 | if (aCorrFctn.fDPhiDenominator) | |
193 | fDPhiDenominator = new TH1D(*aCorrFctn.fDPhiDenominator); | |
194 | else | |
195 | fDPhiDenominator = 0; | |
196 | ||
197 | if (aCorrFctn.fDCosNumeratorTrue) | |
198 | fDCosNumeratorTrue = new TH1D(*aCorrFctn.fDCosNumeratorTrue); | |
199 | else | |
200 | fDCosNumeratorTrue = 0; | |
201 | if (aCorrFctn.fDCosNumeratorFake) | |
202 | fDCosNumeratorFake = new TH1D(*aCorrFctn.fDCosNumeratorFake); | |
203 | else | |
204 | fDCosNumeratorFake = 0; | |
205 | ||
206 | if (aCorrFctn.fDCosDenominator) | |
207 | fDCosDenominator = new TH1D(*aCorrFctn.fDCosDenominator); | |
208 | else | |
209 | fDCosDenominator = 0; | |
210 | ||
211 | if (aCorrFctn.fDPhiPtNumerator) | |
212 | fDPhiPtNumerator = new TH2D(*aCorrFctn.fDPhiPtNumerator); | |
213 | else | |
214 | fDPhiPtNumerator = 0; | |
215 | if (aCorrFctn.fDPhiPtDenominator) | |
216 | fDPhiPtDenominator = new TH2D(*aCorrFctn.fDPhiPtDenominator); | |
217 | else | |
218 | fDPhiPtDenominator = 0; | |
219 | ||
220 | if (aCorrFctn.fDCosPtNumerator) | |
221 | fDCosPtNumerator = new TH2D(*aCorrFctn.fDCosPtNumerator); | |
222 | else | |
223 | fDCosPtNumerator = 0; | |
224 | if (aCorrFctn.fDCosPtDenominator) | |
225 | fDCosPtDenominator = new TH2D(*aCorrFctn.fDCosPtDenominator); | |
226 | else | |
227 | fDCosPtDenominator = 0; | |
228 | } | |
229 | //____________________________ | |
230 | AliFemtoModelCorrFctnDEtaDPhi::~AliFemtoModelCorrFctnDEtaDPhi(){ | |
231 | // destructor | |
232 | if(fDPhiDEtaNumeratorTrue) delete fDPhiDEtaNumeratorTrue; | |
233 | if(fDPhiDEtaNumeratorFake) delete fDPhiDEtaNumeratorFake; | |
234 | if(fDPhiDEtaDenominator) delete fDPhiDEtaDenominator; | |
235 | if(fDPhiDEtaColNumerator) delete fDPhiDEtaColNumerator; | |
236 | if(fDPhiDEtaColDenominator) delete fDPhiDEtaColDenominator; | |
237 | if(fDPhiNumeratorTrue) delete fDPhiNumeratorTrue; | |
238 | if(fDPhiNumeratorFake) delete fDPhiNumeratorFake; | |
239 | if(fDPhiDenominator) delete fDPhiDenominator; | |
240 | if(fDCosNumeratorTrue) delete fDCosNumeratorTrue; | |
241 | if(fDCosNumeratorFake) delete fDCosNumeratorFake; | |
242 | if(fDCosDenominator) delete fDCosDenominator; | |
243 | if(fDPhiPtNumerator) delete fDPhiPtNumerator; | |
244 | if(fDPhiPtDenominator) delete fDPhiPtDenominator; | |
245 | if(fDCosPtNumerator) delete fDCosPtNumerator; | |
246 | if(fDCosPtDenominator) delete fDCosPtDenominator; | |
247 | } | |
248 | //_________________________ | |
249 | AliFemtoModelCorrFctnDEtaDPhi& AliFemtoModelCorrFctnDEtaDPhi::operator=(const AliFemtoModelCorrFctnDEtaDPhi& aCorrFctn) | |
250 | { | |
251 | // assignment operator | |
252 | if (this == &aCorrFctn) | |
253 | return *this; | |
254 | ||
255 | if (aCorrFctn.fDPhiDEtaNumeratorTrue) | |
256 | fDPhiDEtaNumeratorTrue = new TH2D(*aCorrFctn.fDPhiDEtaNumeratorTrue); | |
257 | else | |
258 | fDPhiDEtaNumeratorTrue = 0; | |
259 | ||
260 | if (aCorrFctn.fDPhiDEtaNumeratorFake) | |
261 | fDPhiDEtaNumeratorFake = new TH2D(*aCorrFctn.fDPhiDEtaNumeratorFake); | |
262 | else | |
263 | fDPhiDEtaNumeratorFake = 0; | |
264 | ||
265 | if (aCorrFctn.fDPhiDEtaDenominator) | |
266 | fDPhiDEtaDenominator = new TH2D(*aCorrFctn.fDPhiDEtaDenominator); | |
267 | else | |
268 | fDPhiDEtaDenominator = 0; | |
269 | ||
270 | if (aCorrFctn.fDPhiDEtaColNumerator) | |
271 | fDPhiDEtaColNumerator = new TH2D(*aCorrFctn.fDPhiDEtaColNumerator); | |
272 | else | |
273 | fDPhiDEtaColNumerator = 0; | |
274 | if (aCorrFctn.fDPhiDEtaColDenominator) | |
275 | fDPhiDEtaColDenominator = new TH2D(*aCorrFctn.fDPhiDEtaColDenominator); | |
276 | else | |
277 | fDPhiDEtaColDenominator = 0; | |
278 | ||
279 | if (aCorrFctn.fDPhiNumeratorTrue) | |
280 | fDPhiNumeratorTrue = new TH1D(*aCorrFctn.fDPhiNumeratorTrue); | |
281 | else | |
282 | fDPhiNumeratorTrue = 0; | |
283 | if (aCorrFctn.fDPhiNumeratorFake) | |
284 | fDPhiNumeratorFake = new TH1D(*aCorrFctn.fDPhiNumeratorFake); | |
285 | else | |
286 | fDPhiNumeratorFake = 0; | |
287 | ||
288 | if (aCorrFctn.fDPhiDenominator) | |
289 | fDPhiDenominator = new TH1D(*aCorrFctn.fDPhiDenominator); | |
290 | else | |
291 | fDPhiDenominator = 0; | |
292 | ||
293 | if (aCorrFctn.fDCosNumeratorTrue) | |
294 | fDCosNumeratorTrue = new TH1D(*aCorrFctn.fDCosNumeratorTrue); | |
295 | else | |
296 | fDCosNumeratorTrue = 0; | |
297 | if (aCorrFctn.fDCosNumeratorFake) | |
298 | fDCosNumeratorFake = new TH1D(*aCorrFctn.fDCosNumeratorFake); | |
299 | else | |
300 | fDCosNumeratorFake = 0; | |
301 | ||
302 | if (aCorrFctn.fDCosDenominator) | |
303 | fDCosDenominator = new TH1D(*aCorrFctn.fDCosDenominator); | |
304 | else | |
305 | fDCosDenominator = 0; | |
306 | ||
307 | if (aCorrFctn.fDPhiPtNumerator) | |
308 | fDPhiPtNumerator = new TH2D(*aCorrFctn.fDPhiPtNumerator); | |
309 | else | |
310 | fDPhiPtNumerator = 0; | |
311 | if (aCorrFctn.fDPhiPtDenominator) | |
312 | fDPhiPtDenominator = new TH2D(*aCorrFctn.fDPhiPtDenominator); | |
313 | else | |
314 | fDPhiPtDenominator = 0; | |
315 | ||
316 | if (aCorrFctn.fDCosPtNumerator) | |
317 | fDCosPtNumerator = new TH2D(*aCorrFctn.fDCosPtNumerator); | |
318 | else | |
319 | fDCosPtNumerator = 0; | |
320 | if (aCorrFctn.fDCosPtDenominator) | |
321 | fDCosPtDenominator = new TH2D(*aCorrFctn.fDCosPtDenominator); | |
322 | else | |
323 | fDCosPtDenominator = 0; | |
324 | ||
325 | return *this; | |
326 | } | |
327 | //_________________________ | |
328 | void AliFemtoModelCorrFctnDEtaDPhi::Finish(){ | |
329 | // here is where we should normalize, fit, etc... | |
330 | // we should NOT Draw() the histos (as I had done it below), | |
331 | // since we want to insulate ourselves from root at this level | |
332 | // of the code. Do it instead at root command line with browser. | |
333 | // mShareNumerator->Draw(); | |
334 | //mShareDenominator->Draw(); | |
335 | //mRatio->Draw(); | |
336 | ||
337 | } | |
338 | ||
339 | //____________________________ | |
340 | AliFemtoString AliFemtoModelCorrFctnDEtaDPhi::Report(){ | |
341 | // create report | |
342 | string stemp = "TPC Ncls Correlation Function Report:\n"; | |
343 | char ctemp[100]; | |
344 | snprintf(ctemp,100,"Number of entries in numerator true:\t%E\n",fDPhiDEtaNumeratorTrue->GetEntries()); | |
345 | snprintf(ctemp,100,"Number of entries in numerator fake:\t%E\n",fDPhiDEtaNumeratorFake->GetEntries()); | |
346 | stemp += ctemp; | |
347 | snprintf(ctemp,100,"Number of entries in denominator:\t%E\n",fDPhiDEtaDenominator->GetEntries()); | |
348 | stemp += ctemp; | |
349 | // stemp += mCoulombWeight->Report(); | |
350 | AliFemtoString returnThis = stemp; | |
351 | return returnThis; | |
352 | } | |
353 | //____________________________ | |
354 | void AliFemtoModelCorrFctnDEtaDPhi::AddRealPair( AliFemtoPair* pair){ | |
355 | // add real (effect) pair | |
356 | double phi1 = pair->Track1()->Track()->P().Phi(); | |
357 | double phi2 = pair->Track2()->Track()->P().Phi(); | |
358 | double eta1 = pair->Track1()->Track()->P().PseudoRapidity(); | |
359 | double eta2 = pair->Track2()->Track()->P().PseudoRapidity(); | |
360 | ||
361 | double dphi = phi1 - phi2; | |
362 | while (dphi<-TMath::Pi()/2) dphi+=TMath::Pi()*2; | |
363 | while (dphi>3*TMath::Pi()/2) dphi-=TMath::Pi()*2; | |
364 | ||
365 | double deta = eta1 - eta2; | |
366 | ||
367 | double px1 = pair->Track1()->Track()->P().x(); | |
368 | double py1 = pair->Track1()->Track()->P().y(); | |
369 | double pz1 = pair->Track1()->Track()->P().z(); | |
370 | ||
371 | double px2 = pair->Track2()->Track()->P().x(); | |
372 | double py2 = pair->Track2()->Track()->P().y(); | |
373 | double pz2 = pair->Track2()->Track()->P().z(); | |
374 | ||
375 | double pt1 = TMath::Hypot(px1, py1); | |
376 | double pt2 = TMath::Hypot(px2, py2); | |
377 | double ptmin = pt1>pt2 ? pt2 : pt1; | |
378 | ||
379 | double cosphi = (px1*px2 + py1*py2 + pz1*pz2)/ | |
380 | sqrt((px1*px1 + py1*py1 + pz1*pz1)*(px2*px2 + py2*py2 + pz2*pz2)); | |
381 | ||
382 | /*weights*/ | |
383 | Double_t weight = fManager->GetWeight(pair); | |
384 | fDPhiDEtaNumeratorTrue->Fill(dphi, deta,weight); | |
385 | ||
386 | if (cosphi > 0) { | |
387 | fDPhiDEtaColNumerator->Fill(dphi, deta); | |
388 | } | |
389 | else { | |
390 | fDPhiDEtaColNumerator->Fill(dphi, -eta1-eta2); | |
391 | } | |
392 | ||
393 | fDPhiNumeratorTrue->Fill(dphi,weight); | |
394 | fDCosNumeratorTrue->Fill(cosphi,weight); | |
395 | ||
396 | fDPhiPtNumerator->Fill(dphi, ptmin); | |
397 | fDCosPtNumerator->Fill(cosphi, ptmin); | |
398 | ||
399 | } | |
400 | //____________________________ | |
401 | void AliFemtoModelCorrFctnDEtaDPhi::AddMixedPair( AliFemtoPair* pair){ | |
402 | // add mixed (background) pair | |
403 | double phi1 = pair->Track1()->Track()->P().Phi(); | |
404 | double phi2 = pair->Track2()->Track()->P().Phi(); | |
405 | double eta1 = pair->Track1()->Track()->P().PseudoRapidity(); | |
406 | double eta2 = pair->Track2()->Track()->P().PseudoRapidity(); | |
407 | ||
408 | double dphi = phi1 - phi2; | |
409 | while (dphi<-TMath::Pi()/2) dphi+=TMath::Pi()*2; | |
410 | while (dphi>3*TMath::Pi()/2) dphi-=TMath::Pi()*2; | |
411 | ||
412 | double deta = eta1 - eta2; | |
413 | ||
414 | double px1 = pair->Track1()->Track()->P().x(); | |
415 | double py1 = pair->Track1()->Track()->P().y(); | |
416 | double pz1 = pair->Track1()->Track()->P().z(); | |
417 | ||
418 | double px2 = pair->Track2()->Track()->P().x(); | |
419 | double py2 = pair->Track2()->Track()->P().y(); | |
420 | double pz2 = pair->Track2()->Track()->P().z(); | |
421 | ||
422 | double pt1 = TMath::Hypot(px1, py1); | |
423 | double pt2 = TMath::Hypot(px2, py2); | |
424 | double ptmin = pt1>pt2 ? pt2 : pt1; | |
425 | ||
426 | double cosphi = (px1*px2 + py1*py2 + pz1*pz2)/ | |
427 | sqrt((px1*px1 + py1*py1 + pz1*pz1)*(px2*px2 + py2*py2 + pz2*pz2)); | |
428 | ||
429 | ||
430 | Double_t weight = fManager->GetWeight(pair); | |
431 | fDPhiDEtaNumeratorFake->Fill(dphi, deta,weight); | |
432 | ||
433 | fDPhiDEtaDenominator->Fill(dphi, deta,1.0); | |
434 | ||
435 | if (cosphi > 0) { | |
436 | fDPhiDEtaColDenominator->Fill(dphi, deta); | |
437 | } | |
438 | else { | |
439 | fDPhiDEtaColDenominator->Fill(dphi, -eta1-eta2); | |
440 | } | |
441 | ||
442 | fDPhiNumeratorFake->Fill(dphi,weight); | |
443 | fDCosNumeratorFake->Fill(cosphi,weight); | |
444 | ||
445 | fDPhiDenominator->Fill(dphi,1.0); | |
446 | fDCosDenominator->Fill(cosphi,1.0); | |
447 | ||
448 | fDPhiPtDenominator->Fill(dphi, ptmin); | |
449 | fDCosPtDenominator->Fill(cosphi, ptmin); | |
450 | } | |
451 | ||
452 | ||
453 | void AliFemtoModelCorrFctnDEtaDPhi::WriteHistos() | |
454 | { | |
455 | // Write out result histograms | |
456 | fDPhiDEtaNumeratorTrue->Write(); | |
457 | fDPhiDEtaNumeratorFake->Write(); | |
458 | fDPhiDEtaDenominator->Write(); | |
459 | fDPhiDEtaColNumerator->Write(); | |
460 | fDPhiDEtaColDenominator->Write(); | |
461 | fDPhiNumeratorTrue->Write(); | |
462 | fDPhiNumeratorFake->Write(); | |
463 | fDPhiDenominator->Write(); | |
464 | fDCosNumeratorTrue->Write(); | |
465 | fDCosNumeratorFake->Write(); | |
466 | fDCosDenominator->Write(); | |
467 | fDPhiPtNumerator->Write(); | |
468 | fDPhiPtDenominator->Write(); | |
469 | fDCosPtNumerator->Write(); | |
470 | fDCosPtDenominator->Write(); | |
471 | } | |
472 | ||
473 | TList* AliFemtoModelCorrFctnDEtaDPhi::GetOutputList() | |
474 | { | |
475 | // Prepare the list of objects to be written to the output | |
476 | TList *tOutputList = new TList(); | |
477 | ||
478 | tOutputList->Add(fDPhiDEtaNumeratorTrue); | |
479 | tOutputList->Add(fDPhiDEtaNumeratorFake); | |
480 | tOutputList->Add(fDPhiDEtaDenominator); | |
481 | tOutputList->Add(fDPhiDEtaColNumerator); | |
482 | tOutputList->Add(fDPhiDEtaColDenominator); | |
483 | tOutputList->Add(fDPhiNumeratorTrue); | |
484 | tOutputList->Add(fDPhiNumeratorFake); | |
485 | tOutputList->Add(fDPhiDenominator); | |
486 | tOutputList->Add(fDCosNumeratorTrue); | |
487 | tOutputList->Add(fDCosNumeratorFake); | |
488 | tOutputList->Add(fDCosDenominator); | |
489 | tOutputList->Add(fDPhiPtNumerator); | |
490 | tOutputList->Add(fDPhiPtDenominator); | |
491 | tOutputList->Add(fDCosPtNumerator); | |
492 | tOutputList->Add(fDCosPtDenominator); | |
493 | ||
494 | return tOutputList; | |
495 | ||
496 | } |