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correcting cone exess
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7b2086c3 1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
15
16//_________________________________________________________________________
17// Do photon/pi0 analysis for isolation and correlation
18// at the generator level. Only for kine stack (ESDs)
19//
20//
21// -- Author: Gustavo Conesa (LPSC-CNRS-Grenoble)
22//////////////////////////////////////////////////////////////////////////////
23
24// --- ROOT system ---
25#include "TH2F.h"
26#include "TParticle.h"
27#include "TDatabasePDG.h"
28
29//---- ANALYSIS system ----
30#include "AliAnaGeneratorKine.h"
31#include "AliStack.h"
32#include "AliGenPythiaEventHeader.h"
33
34ClassImp(AliAnaGeneratorKine)
35
36
37//__________________________________________
38AliAnaGeneratorKine::AliAnaGeneratorKine() :
39AliAnaCaloTrackCorrBaseClass(),
40fStack(0),
41fParton2(0), fParton3(0),
42fParton6(0), fParton7(0),
43fJet6(), fJet7(),
44fPtHard(0),
45fhPtHard(0), fhPtParton(0), fhPtJet(0),
46fhPtPartonPtHard(0), fhPtJetPtHard(0), fhPtJetPtParton(0),
47fhPtPhoton(0), fhPtPi0(0)
48{
49 //Default Ctor
50
51 //Initialize parameters
52 InitParameters();
53
54 for(Int_t i = 0; i < 4; i++)
55 {
56 fhPtPhotonLeading[i] = fhPtPi0Leading[i] = 0;
57 fhPtPhotonLeadingIsolated[i] = fhPtPi0LeadingIsolated[i] = 0;
58 fhZHardPhotonLeading[i] = fhZHardPi0Leading[i] = 0;
59 fhZHardPhotonLeadingIsolated[i] = fhZHardPi0LeadingIsolated[i] = 0;
60 fhZPartonPhotonLeading[i] = fhZPartonPi0Leading[i] = 0;
61 fhZPartonPhotonLeadingIsolated[i] = fhZPartonPi0LeadingIsolated[i] = 0;
62 fhZJetPhotonLeading[i] = fhZJetPi0Leading[i] = 0;
63 fhZJetPhotonLeadingIsolated[i] = fhZJetPi0LeadingIsolated[i] = 0;
64 fhXEPhotonLeading[i] = fhXEPi0Leading[i] = 0;
65 fhXEPhotonLeadingIsolated[i] = fhXEPi0LeadingIsolated[i] = 0;
66 fhXEUEPhotonLeading[i] = fhXEUEPi0Leading[i] = 0;
67 fhXEUEPhotonLeadingIsolated[i] = fhXEUEPi0LeadingIsolated[i] = 0;
23fa04c5 68
69 fhPtPartonTypeNearPhotonLeading[i] = fhPtPartonTypeNearPi0Leading[i] = 0;
70 fhPtPartonTypeNearPhotonLeadingIsolated[i] = fhPtPartonTypeNearPi0LeadingIsolated[i] = 0;
71
72 fhPtPartonTypeAwayPhotonLeading[i] = fhPtPartonTypeAwayPi0Leading[i] = 0;
73 fhPtPartonTypeAwayPhotonLeadingIsolated[i] = fhPtPartonTypeAwayPi0LeadingIsolated[i] = 0;
74
7b2086c3 75 }
76
77}
78
79//_______________________________________________________________________________
2292cf03 80Bool_t AliAnaGeneratorKine::CorrelateWithPartonOrJet(const TLorentzVector trigger,
81 const Int_t indexTrig,
82 const Int_t pdgTrig,
83 const Bool_t leading[4],
84 const Bool_t isolated[4],
85 Int_t & iparton )
7b2086c3 86{
87 //Correlate trigger with partons or jets, get z
88
89 //Get the index of the mother
90 iparton = (fStack->Particle(indexTrig))->GetFirstMother();
91 TParticle * mother = fStack->Particle(iparton);
92 while (iparton > 7)
93 {
94 iparton = mother->GetFirstMother();
2292cf03 95 if(iparton < 0) { printf("AliAnaGeneratorKine::CorrelateWithPartonOrJet() - Negative index, skip event\n"); return kFALSE; }
7b2086c3 96 mother = fStack->Particle(iparton);
97 }
98
99 //printf("Mother is parton %d with pdg %d\n",imom,mother->GetPdgCode());
100
101 if(iparton < 6)
102 {
103 //printf("This particle is not from hard process - pdg %d, parton index %d\n",pdgTrig, iparton);
2292cf03 104 return kFALSE;
7b2086c3 105 }
106
107 Float_t ptTrig = trigger.Pt();
108 Float_t partonPt = fParton6->Pt();
109 Float_t jetPt = fJet6.Pt();
110 if(iparton==7)
111 {
112 partonPt = fParton6->Pt();
113 jetPt = fJet6.Pt();
114 }
115
23fa04c5 116 //Get id of parton in near and away side
117
118 Int_t away = -1;
119 Int_t near = -1;
120 Int_t nearPDG = -1;
121 Int_t awayPDG = -1;
122
123 //printf("parton 6 pdg = %d, parton 7 pdg = %d\n",fParton6->GetPdgCode(),fParton7->GetPdgCode());
124
125 if(iparton==6)
126 {
127 nearPDG = fParton6->GetPdgCode();
128 awayPDG = fParton7->GetPdgCode();
129 }
130 else
131 {
132 nearPDG = fParton7->GetPdgCode();
133 awayPDG = fParton6->GetPdgCode();
134 }
135
136 if (nearPDG == 22) near = 0;
137 else if(nearPDG == 21) near = 1;
138 else near = 2;
139
140 if (awayPDG == 22) away = 0;
141 else if(awayPDG == 21) away = 1;
142 else away = 2;
143
144 for( Int_t i = 0; i < 4; i++ )
145 {
146 if(pdgTrig==111)
147 {
148 if(leading[i])
149 {
150 fhPtPartonTypeNearPi0Leading[i]->Fill(ptTrig,near);
151 fhPtPartonTypeAwayPi0Leading[i]->Fill(ptTrig,away);
152 if(isolated[i])
153 {
154 fhPtPartonTypeNearPi0LeadingIsolated[i]->Fill(ptTrig,near);
155 fhPtPartonTypeAwayPi0LeadingIsolated[i]->Fill(ptTrig,away);
156 }
157 }
158 }// pi0
159 else if(pdgTrig==22)
160 {
161 if(leading[i])
162 {
163 fhPtPartonTypeNearPhotonLeading[i]->Fill(ptTrig,near);
164 fhPtPartonTypeAwayPhotonLeading[i]->Fill(ptTrig,away);
165 if(isolated[i])
166 {
167 fhPtPartonTypeNearPhotonLeadingIsolated[i]->Fill(ptTrig,near);
168 fhPtPartonTypeAwayPhotonLeadingIsolated[i]->Fill(ptTrig,away);
169 }
170 }
171 } // photon
172 } // conditions loop
173
174
175 // RATIOS
7b2086c3 176
177 fhPtPartonPtHard->Fill(fPtHard, partonPt/fPtHard);
178 fhPtJetPtHard ->Fill(fPtHard, jetPt/fPtHard);
179 fhPtJetPtParton ->Fill(fPtHard, jetPt/partonPt);
180
181 Float_t zHard = ptTrig / fPtHard;
182 Float_t zPart = ptTrig / partonPt;
183 Float_t zJet = ptTrig / jetPt;
184
185 //if(zHard > 1 ) printf("*** Particle energy larger than pT hard z=%f\n",zHard);
186
187 //printf("Z : hard %2.2f, parton %2.2f, jet %2.2f\n",zHard,zPart,zJet);
188
189 for( Int_t i = 0; i < 4; i++ )
190 {
191 if(pdgTrig==111)
192 {
193 if(leading[i])
194 {
195 fhZHardPi0Leading[i] ->Fill(ptTrig,zHard);
196 fhZPartonPi0Leading[i]->Fill(ptTrig,zPart);
197 fhZJetPi0Leading[i] ->Fill(ptTrig,zJet );
198
199 if(isolated[i])
200 {
201 fhZHardPi0LeadingIsolated[i] ->Fill(ptTrig,zHard);
202 fhZPartonPi0LeadingIsolated[i]->Fill(ptTrig,zPart);
203 fhZJetPi0LeadingIsolated[i] ->Fill(ptTrig,zJet);
204 }
205 }
206 }// pi0
207 else if(pdgTrig==22)
208 {
209 if(leading[i])
210 {
211 fhZHardPhotonLeading[i] ->Fill(ptTrig,zHard);
212 fhZPartonPhotonLeading[i]->Fill(ptTrig,zPart);
213 fhZJetPhotonLeading[i] ->Fill(ptTrig,zJet );
214
215 if(isolated[i])
216 {
217 fhZHardPhotonLeadingIsolated[i] ->Fill(ptTrig,zHard);
218 fhZPartonPhotonLeadingIsolated[i]->Fill(ptTrig,zPart);
219 fhZJetPhotonLeadingIsolated[i] ->Fill(ptTrig,zJet);
220 }
221 }
222 } // photon
223 } // conditions loop
2292cf03 224
225 return kTRUE;
7b2086c3 226}
227
228
229//____________________________________________________
230TList * AliAnaGeneratorKine::GetCreateOutputObjects()
231{
232 // Create histograms to be saved in output file
233
234 TList * outputContainer = new TList() ;
235 outputContainer->SetName("GenKineHistos") ;
236
237 Int_t nptbins = GetHistogramRanges()->GetHistoPtBins();
238 Float_t ptmax = GetHistogramRanges()->GetHistoPtMax();
239 Float_t ptmin = GetHistogramRanges()->GetHistoPtMin();
240
241 fhPtHard = new TH1F("hPtHard"," pt hard for selected triggers",nptbins,ptmin,ptmax);
242 fhPtHard->SetXTitle("p_{T}^{hard} (GeV/c)");
243 outputContainer->Add(fhPtHard);
244
245 fhPtParton = new TH1F("hPtParton"," pt parton for selected triggers",nptbins,ptmin,ptmax);
246 fhPtParton->SetXTitle("p_{T}^{parton} (GeV/c)");
247 outputContainer->Add(fhPtParton);
248
249 fhPtJet = new TH1F("hPtJet"," pt jet for selected triggers",nptbins,ptmin,ptmax);
250 fhPtJet->SetXTitle("p_{T}^{jet} (GeV/c)");
251 outputContainer->Add(fhPtJet);
252
253 fhPtPartonPtHard = new TH2F("hPtPartonPtHard","parton pt / pt hard for selected triggers",nptbins,ptmin,ptmax,200,0,2);
254 fhPtPartonPtHard->SetXTitle("p_{T}^{hard} (GeV/c)");
255 fhPtPartonPtHard->SetYTitle("p_{T}^{parton}/p_{T}^{hard}");
256 outputContainer->Add(fhPtPartonPtHard);
257
258 fhPtJetPtHard = new TH2F("hPtJetPtHard","jet pt / pt hard for selected triggers",nptbins,ptmin,ptmax,200,0,2);
259 fhPtJetPtHard->SetXTitle("p_{T}^{hard} (GeV/c)");
260 fhPtJetPtHard->SetYTitle("p_{T}^{jet}/p_{T}^{hard}");
261 outputContainer->Add(fhPtJetPtHard);
262
263 fhPtJetPtParton = new TH2F("hPtJetPtParton","parton pt / pt hard for selected triggers",nptbins,ptmin,ptmax,200,0,2);
264 fhPtJetPtParton->SetXTitle("p_{T}^{hard} (GeV/c)");
265 fhPtJetPtParton->SetYTitle("p_{T}^{jet}/p_{T}^{parton}");
266 outputContainer->Add(fhPtJetPtParton);
267
268
269 fhPtPhoton = new TH1F("hPtPhoton","Input Photon",nptbins,ptmin,ptmax);
270 fhPtPhoton->SetXTitle("p_{T} (GeV/c)");
271 outputContainer->Add(fhPtPhoton);
272
273 fhPtPi0 = new TH1F("hPtPi0","Input Pi0",nptbins,ptmin,ptmax);
274 fhPtPi0->SetXTitle("p_{T} (GeV/c)");
275 outputContainer->Add(fhPtPi0);
276
277 TString name[] = {"","_EMC","_Photon","_EMC_Photon"};
278 TString title[] = {"",", neutral in EMCal",", neutral only photon like",", neutral in EMCal and only photon like"};
279
280 for(Int_t i = 0; i < 4; i++)
281 {
282
283 // Pt
284
285 fhPtPhotonLeading[i] = new TH1F(Form("hPtPhotonLeading%s",name[i].Data()),
286 Form("Photon : Leading of all particles%s",title[i].Data()),
287 nptbins,ptmin,ptmax);
288 fhPtPhotonLeading[i]->SetXTitle("p_{T} (GeV/c)");
289 outputContainer->Add(fhPtPhotonLeading[i]);
290
291 fhPtPi0Leading[i] = new TH1F(Form("hPtPi0Leading%s",name[i].Data()),
292 Form("Pi0 : Leading of all particles%s",title[i].Data()),
293 nptbins,ptmin,ptmax);
294 fhPtPi0Leading[i]->SetXTitle("p_{T} (GeV/c)");
295 outputContainer->Add(fhPtPi0Leading[i]);
296
297 fhPtPhotonLeadingIsolated[i] = new TH1F(Form("hPtPhotonLeadingIsolated%s",name[i].Data()),
298 Form("Photon : Leading of all particles%s, isolated",title[i].Data()),
299 nptbins,ptmin,ptmax);
300 fhPtPhotonLeadingIsolated[i]->SetXTitle("p_{T} (GeV/c)");
301 outputContainer->Add(fhPtPhotonLeadingIsolated[i]);
302
303 fhPtPi0LeadingIsolated[i] = new TH1F(Form("hPtPi0LeadingIsolated%s",name[i].Data()),
304 Form("Pi0 : Leading of all particles%s, isolated",title[i].Data()),
305 nptbins,ptmin,ptmax);
306 fhPtPi0LeadingIsolated[i]->SetXTitle("p_{T} (GeV/c)");
307 outputContainer->Add(fhPtPi0LeadingIsolated[i]);
308
23fa04c5 309 // Near side parton
310
311 fhPtPartonTypeNearPhotonLeading[i] = new TH2F(Form("hPtPartonTypeNearPhotonLeading%s",name[i].Data()),
312 Form("Photon : Leading of all particles%s",title[i].Data()),
313 nptbins,ptmin,ptmax,3,0,3);
314 fhPtPartonTypeNearPhotonLeading[i]->SetXTitle("p_{T} (GeV/c)");
315 fhPtPartonTypeNearPhotonLeading[i]->SetYTitle("Parton type");
316 fhPtPartonTypeNearPhotonLeading[i]->GetYaxis()->SetBinLabel(1,"#gamma");
317 fhPtPartonTypeNearPhotonLeading[i]->GetYaxis()->SetBinLabel(2,"g");
318 fhPtPartonTypeNearPhotonLeading[i]->GetYaxis()->SetBinLabel(3,"q");
319 outputContainer->Add(fhPtPartonTypeNearPhotonLeading[i]);
320
321 fhPtPartonTypeNearPi0Leading[i] = new TH2F(Form("hPtPartonTypeNearPi0Leading%s",name[i].Data()),
322 Form("Pi0 : Leading of all particles%s",title[i].Data()),
323 nptbins,ptmin,ptmax,3,0,3);
324 fhPtPartonTypeNearPi0Leading[i]->SetXTitle("p_{T} (GeV/c)");
325 fhPtPartonTypeNearPi0Leading[i]->SetYTitle("Parton type");
326 fhPtPartonTypeNearPi0Leading[i]->GetYaxis()->SetBinLabel(1,"#gamma");
327 fhPtPartonTypeNearPi0Leading[i]->GetYaxis()->SetBinLabel(2,"g");
328 fhPtPartonTypeNearPi0Leading[i]->GetYaxis()->SetBinLabel(3,"q");
329 outputContainer->Add(fhPtPartonTypeNearPi0Leading[i]);
330
331 fhPtPartonTypeNearPhotonLeadingIsolated[i] = new TH2F(Form("hPtPartonTypeNearPhotonLeadingIsolated%s",name[i].Data()),
332 Form("Photon : Leading of all particles%s, isolated",title[i].Data()),
333 nptbins,ptmin,ptmax,3,0,3);
334 fhPtPartonTypeNearPhotonLeadingIsolated[i]->SetXTitle("p_{T} (GeV/c)");
335 fhPtPartonTypeNearPhotonLeadingIsolated[i]->SetYTitle("Parton type");
336 fhPtPartonTypeNearPhotonLeadingIsolated[i]->GetYaxis()->SetBinLabel(1,"#gamma");
337 fhPtPartonTypeNearPhotonLeadingIsolated[i]->GetYaxis()->SetBinLabel(2,"g");
338 fhPtPartonTypeNearPhotonLeadingIsolated[i]->GetYaxis()->SetBinLabel(3,"q");
339 outputContainer->Add(fhPtPartonTypeNearPhotonLeadingIsolated[i]);
340
341 fhPtPartonTypeNearPi0LeadingIsolated[i] = new TH2F(Form("hPtPartonTypeNearPi0LeadingIsolated%s",name[i].Data()),
342 Form("Pi0 : Leading of all particles%s, isolated",title[i].Data()),
343 nptbins,ptmin,ptmax,3,0,3);
344 fhPtPartonTypeNearPi0LeadingIsolated[i]->SetXTitle("p_{T} (GeV/c)");
345 fhPtPartonTypeNearPi0LeadingIsolated[i]->SetYTitle("Parton type");
346 fhPtPartonTypeNearPi0LeadingIsolated[i]->GetYaxis()->SetBinLabel(1,"#gamma");
347 fhPtPartonTypeNearPi0LeadingIsolated[i]->GetYaxis()->SetBinLabel(2,"g");
348 fhPtPartonTypeNearPi0LeadingIsolated[i]->GetYaxis()->SetBinLabel(3,"q");
349 outputContainer->Add(fhPtPartonTypeNearPi0LeadingIsolated[i]);
350
351
352 // Away side parton
353
354 fhPtPartonTypeAwayPhotonLeading[i] = new TH2F(Form("hPtPartonTypeAwayPhotonLeading%s",name[i].Data()),
355 Form("Photon : Leading of all particles%s",title[i].Data()),
356 nptbins,ptmin,ptmax,3,0,3);
357 fhPtPartonTypeAwayPhotonLeading[i]->SetXTitle("p_{T} (GeV/c)");
358 fhPtPartonTypeAwayPhotonLeading[i]->SetYTitle("Parton type");
359 fhPtPartonTypeAwayPhotonLeading[i]->GetYaxis()->SetBinLabel(1,"#gamma");
360 fhPtPartonTypeAwayPhotonLeading[i]->GetYaxis()->SetBinLabel(2,"g");
361 fhPtPartonTypeAwayPhotonLeading[i]->GetYaxis()->SetBinLabel(3,"q");
362 outputContainer->Add(fhPtPartonTypeAwayPhotonLeading[i]);
363
364 fhPtPartonTypeAwayPi0Leading[i] = new TH2F(Form("hPtPartonTypeAwayPi0Leading%s",name[i].Data()),
365 Form("Pi0 : Leading of all particles%s",title[i].Data()),
366 nptbins,ptmin,ptmax,3,0,3);
367 fhPtPartonTypeAwayPi0Leading[i]->SetXTitle("p_{T} (GeV/c)");
368 fhPtPartonTypeAwayPi0Leading[i]->SetYTitle("Parton type");
369 fhPtPartonTypeAwayPi0Leading[i]->GetYaxis()->SetBinLabel(1,"#gamma");
370 fhPtPartonTypeAwayPi0Leading[i]->GetYaxis()->SetBinLabel(2,"g");
371 fhPtPartonTypeAwayPi0Leading[i]->GetYaxis()->SetBinLabel(3,"q");
372 outputContainer->Add(fhPtPartonTypeAwayPi0Leading[i]);
373
374 fhPtPartonTypeAwayPhotonLeadingIsolated[i] = new TH2F(Form("hPtPartonTypeAwayPhotonLeadingIsolated%s",name[i].Data()),
375 Form("Photon : Leading of all particles%s, isolated",title[i].Data()),
376 nptbins,ptmin,ptmax,3,0,3);
377 fhPtPartonTypeAwayPhotonLeadingIsolated[i]->SetXTitle("p_{T} (GeV/c)");
378 fhPtPartonTypeAwayPhotonLeadingIsolated[i]->SetYTitle("Parton type");
379 fhPtPartonTypeAwayPhotonLeadingIsolated[i]->GetYaxis()->SetBinLabel(1,"#gamma");
380 fhPtPartonTypeAwayPhotonLeadingIsolated[i]->GetYaxis()->SetBinLabel(2,"g");
381 fhPtPartonTypeAwayPhotonLeadingIsolated[i]->GetYaxis()->SetBinLabel(3,"q");
382 outputContainer->Add(fhPtPartonTypeAwayPhotonLeadingIsolated[i]);
383
384 fhPtPartonTypeAwayPi0LeadingIsolated[i] = new TH2F(Form("hPtPartonTypeAwayPi0LeadingIsolated%s",name[i].Data()),
385 Form("Pi0 : Leading of all particles%s, isolated",title[i].Data()),
386 nptbins,ptmin,ptmax,3,0,3);
387 fhPtPartonTypeAwayPi0LeadingIsolated[i]->SetXTitle("p_{T} (GeV/c)");
388 fhPtPartonTypeAwayPi0LeadingIsolated[i]->SetYTitle("Parton type");
389 fhPtPartonTypeAwayPi0LeadingIsolated[i]->GetYaxis()->SetBinLabel(1,"#gamma");
390 fhPtPartonTypeAwayPi0LeadingIsolated[i]->GetYaxis()->SetBinLabel(2,"g");
391 fhPtPartonTypeAwayPi0LeadingIsolated[i]->GetYaxis()->SetBinLabel(3,"q");
392 outputContainer->Add(fhPtPartonTypeAwayPi0LeadingIsolated[i]);
7b2086c3 393
394 // zHard
395
396 fhZHardPhotonLeading[i] = new TH2F(Form("hZHardPhotonLeading%s",name[i].Data()),
397 Form("Z-Hard of Photon : Leading of all particles%s",title[i].Data()),
398 nptbins,ptmin,ptmax,200,0,2);
399 fhZHardPhotonLeading[i]->SetYTitle("p_{T}^{particle}/p_{T}^{hard}");
400 fhZHardPhotonLeading[i]->SetXTitle("p_{T}^{particle} (GeV/c)");
401 outputContainer->Add(fhZHardPhotonLeading[i]);
402
403 fhZHardPi0Leading[i] = new TH2F(Form("hZHardPi0Leading%s",name[i].Data()),
404 Form("Z-Hard of Pi0 : Leading of all particles%s",title[i].Data()),
405 nptbins,ptmin,ptmax,200,0,2);
406 fhZHardPi0Leading[i]->SetYTitle("p_{T}^{particle}/p_{T}^{hard}");
407 fhZHardPi0Leading[i]->SetXTitle("p_{T}^{particle} (GeV/c)");
408 outputContainer->Add(fhZHardPi0Leading[i]);
409
410 fhZHardPhotonLeadingIsolated[i] = new TH2F(Form("hZHardPhotonLeadingIsolated%s",name[i].Data()),
411 Form("Z-Hard of Photon : Leading of all particles%s, isolated",title[i].Data()),
412 nptbins,ptmin,ptmax,200,0,2);
413 fhZHardPhotonLeadingIsolated[i]->SetYTitle("p_{T}^{particle}/p_{T}^{hard}");
414 fhZHardPhotonLeadingIsolated[i]->SetXTitle("p_{T}^{particle} (GeV/c)");
415 outputContainer->Add(fhZHardPhotonLeadingIsolated[i]);
416
417 fhZHardPi0LeadingIsolated[i] = new TH2F(Form("hZHardPi0LeadingIsolated%s",name[i].Data()),
418 Form("Z-Hard of Pi0 : Leading of all particles%s, isolated",title[i].Data()),
419 nptbins,ptmin,ptmax,200,0,2);
420 fhZHardPi0LeadingIsolated[i]->SetYTitle("p_{T}^{particle}/p_{T}^{hard}");
421 fhZHardPi0LeadingIsolated[i]->SetXTitle("p_{T}^{particle} (GeV/c)");
422 outputContainer->Add(fhZHardPi0LeadingIsolated[i]);
423
424 // zHard
425
426 fhZPartonPhotonLeading[i] = new TH2F(Form("hZPartonPhotonLeading%s",name[i].Data()),
427 Form("Z-Parton of Photon : Leading of all particles%s",title[i].Data()),
428 nptbins,ptmin,ptmax,200,0,2);
429 fhZPartonPhotonLeading[i]->SetYTitle("p_{T}^{particle}/p_{T}^{hard}");
430 fhZPartonPhotonLeading[i]->SetXTitle("p_{T}^{particle} (GeV/c)");
431 outputContainer->Add(fhZPartonPhotonLeading[i]);
432
433 fhZPartonPi0Leading[i] = new TH2F(Form("hZPartonPi0Leading%s",name[i].Data()),
434 Form("Z-Parton of Pi0 : Leading of all particles%s",title[i].Data()),
435 nptbins,ptmin,ptmax,200,0,2);
436 fhZPartonPi0Leading[i]->SetYTitle("p_{T}^{particle}/p_{T}^{hard}");
437 fhZPartonPi0Leading[i]->SetXTitle("p_{T}^{particle} (GeV/c)");
438 outputContainer->Add(fhZPartonPi0Leading[i]);
439
440 fhZPartonPhotonLeadingIsolated[i] = new TH2F(Form("hZPartonPhotonLeadingIsolated%s",name[i].Data()),
441 Form("Z-Parton of Photon : Leading of all particles%s, isolated",title[i].Data()),
442 nptbins,ptmin,ptmax,200,0,2);
443 fhZPartonPhotonLeadingIsolated[i]->SetYTitle("p_{T}^{particle}/p_{T}^{hard}");
444 fhZPartonPhotonLeadingIsolated[i]->SetXTitle("p_{T}^{particle} (GeV/c)");
445 outputContainer->Add(fhZPartonPhotonLeadingIsolated[i]);
446
447 fhZPartonPi0LeadingIsolated[i] = new TH2F(Form("hZPartonPi0LeadingIsolated%s",name[i].Data()),
448 Form("Z-Parton of Pi0 : Leading of all particles%s, isolated",title[i].Data()),
449 nptbins,ptmin,ptmax,200,0,2);
450 fhZPartonPi0LeadingIsolated[i]->SetYTitle("p_{T}^{particle}/p_{T}^{hard}");
451 fhZPartonPi0LeadingIsolated[i]->SetXTitle("p_{T}^{particle} (GeV/c)");
452 outputContainer->Add(fhZPartonPi0LeadingIsolated[i]);
453
454
455 // zJet
456
457 fhZJetPhotonLeading[i] = new TH2F(Form("hZJetPhotonLeading%s",name[i].Data()),
458 Form("Z-Jet of Photon : Leading of all particles%s",title[i].Data()),
459 nptbins,ptmin,ptmax,200,0,2);
460 fhZJetPhotonLeading[i]->SetYTitle("p_{T}^{particle}/p_{T}^{hard}");
461 fhZJetPhotonLeading[i]->SetXTitle("p_{T}^{particle} (GeV/c)");
462 outputContainer->Add(fhZJetPhotonLeading[i]);
463
464 fhZJetPi0Leading[i] = new TH2F(Form("hZJetPi0Leading%s",name[i].Data()),
465 Form("Z-Jet of Pi0 : Leading of all particles%s",title[i].Data()),
466 nptbins,ptmin,ptmax,200,0,2);
467 fhZJetPi0Leading[i]->SetYTitle("p_{T}^{particle}/p_{T}^{hard}");
468 fhZJetPi0Leading[i]->SetXTitle("p_{T}^{particle} (GeV/c)");
469 outputContainer->Add(fhZJetPi0Leading[i]);
470
471 fhZJetPhotonLeadingIsolated[i] = new TH2F(Form("hZJetPhotonLeadingIsolated%s",name[i].Data()),
472 Form("Z-Jet of Photon : Leading of all particles%s, isolated",title[i].Data()),
473 nptbins,ptmin,ptmax,200,0,2);
474 fhZJetPhotonLeadingIsolated[i]->SetYTitle("p_{T}^{particle}/p_{T}^{hard}");
475 fhZJetPhotonLeadingIsolated[i]->SetXTitle("p_{T}^{particle} (GeV/c)");
476 outputContainer->Add(fhZJetPhotonLeadingIsolated[i]);
477
478 fhZJetPi0LeadingIsolated[i] = new TH2F(Form("hZJetPi0LeadingIsolated%s",name[i].Data()),
479 Form("Z-Jet of Pi0 : Leading of all particles%s, isolated",title[i].Data()),
480 nptbins,ptmin,ptmax,200,0,2);
481 fhZJetPi0LeadingIsolated[i]->SetYTitle("p_{T}^{particle}/p_{T}^{hard}");
482 fhZJetPi0LeadingIsolated[i]->SetXTitle("p_{T}^{particle} (GeV/c)");
483 outputContainer->Add(fhZJetPi0LeadingIsolated[i]);
484
485
486 // XE
487
488 fhXEPhotonLeading[i] = new TH2F(Form("hXEPhotonLeading%s",name[i].Data()),
489 Form("Z-Jet of Photon : Leading of all particles%s",title[i].Data()),
490 nptbins,ptmin,ptmax,200,0,2);
491 fhXEPhotonLeading[i]->SetYTitle("p_{T}^{particle}/p_{T}^{hard}");
492 fhXEPhotonLeading[i]->SetXTitle("p_{T}^{particle} (GeV/c)");
493 outputContainer->Add(fhXEPhotonLeading[i]);
494
495 fhXEPi0Leading[i] = new TH2F(Form("hXEPi0Leading%s",name[i].Data()),
496 Form("Z-Jet of Pi0 : Leading of all particles%s",title[i].Data()),
497 nptbins,ptmin,ptmax,200,0,2);
498 fhXEPi0Leading[i]->SetYTitle("p_{T}^{particle}/p_{T}^{hard}");
499 fhXEPi0Leading[i]->SetXTitle("p_{T}^{particle} (GeV/c)");
500 outputContainer->Add(fhXEPi0Leading[i]);
501
502 fhXEPhotonLeadingIsolated[i] = new TH2F(Form("hXEPhotonLeadingIsolated%s",name[i].Data()),
503 Form("Z-Jet of Photon : Leading of all particles%s, isolated",title[i].Data()),
504 nptbins,ptmin,ptmax,200,0,2);
505 fhXEPhotonLeadingIsolated[i]->SetYTitle("p_{T}^{particle}/p_{T}^{hard}");
506 fhXEPhotonLeadingIsolated[i]->SetXTitle("p_{T}^{particle} (GeV/c)");
507 outputContainer->Add(fhXEPhotonLeadingIsolated[i]);
508
509 fhXEPi0LeadingIsolated[i] = new TH2F(Form("hXEPi0LeadingIsolated%s",name[i].Data()),
510 Form("Z-Jet of Pi0 : Leading of all particles%s, isolated",title[i].Data()),
511 nptbins,ptmin,ptmax,200,0,2);
512 fhXEPi0LeadingIsolated[i]->SetYTitle("p_{T}^{particle}/p_{T}^{hard}");
513 fhXEPi0LeadingIsolated[i]->SetXTitle("p_{T}^{particle} (GeV/c)");
514 outputContainer->Add(fhXEPi0LeadingIsolated[i]);
515
516
517 // XE from UE
518
519 fhXEUEPhotonLeading[i] = new TH2F(Form("hXEUEPhotonLeading%s",name[i].Data()),
520 Form("Z-Jet of Photon : Leading of all particles%s",title[i].Data()),
521 nptbins,ptmin,ptmax,200,0,2);
522 fhXEUEPhotonLeading[i]->SetYTitle("p_{T}^{particle}/p_{T}^{hard}");
523 fhXEUEPhotonLeading[i]->SetXTitle("p_{T}^{particle} (GeV/c)");
524 outputContainer->Add(fhXEUEPhotonLeading[i]);
525
526 fhXEUEPi0Leading[i] = new TH2F(Form("hXEUEPi0Leading%s",name[i].Data()),
527 Form("Z-Jet of Pi0 : Leading of all particles%s",title[i].Data()),
528 nptbins,ptmin,ptmax,200,0,2);
529 fhXEUEPi0Leading[i]->SetYTitle("p_{T}^{particle}/p_{T}^{hard}");
530 fhXEUEPi0Leading[i]->SetXTitle("p_{T}^{particle} (GeV/c)");
531 outputContainer->Add(fhXEUEPi0Leading[i]);
532
533 fhXEUEPhotonLeadingIsolated[i] = new TH2F(Form("hXEUEPhotonLeadingIsolated%s",name[i].Data()),
534 Form("Z-Jet of Photon : Leading of all particles%s, isolated",title[i].Data()),
535 nptbins,ptmin,ptmax,200,0,2);
536 fhXEUEPhotonLeadingIsolated[i]->SetYTitle("p_{T}^{particle}/p_{T}^{hard}");
537 fhXEUEPhotonLeadingIsolated[i]->SetXTitle("p_{T}^{particle} (GeV/c)");
538 outputContainer->Add(fhXEUEPhotonLeadingIsolated[i]);
539
540 fhXEUEPi0LeadingIsolated[i] = new TH2F(Form("hXEUEPi0LeadingIsolated%s",name[i].Data()),
541 Form("Z-Jet of Pi0 : Leading of all particles%s, isolated",title[i].Data()),
542 nptbins,ptmin,ptmax,200,0,2);
543 fhXEUEPi0LeadingIsolated[i]->SetYTitle("p_{T}^{particle}/p_{T}^{hard}");
544 fhXEUEPi0LeadingIsolated[i]->SetXTitle("p_{T}^{particle} (GeV/c)");
545 outputContainer->Add(fhXEUEPi0LeadingIsolated[i]);
546
547 }
548
549 return outputContainer;
550
551}
552
553//____________________________________________
554void AliAnaGeneratorKine::GetPartonsAndJets()
555{
556 // Fill data members with partons,jets and generated pt hard
557
558 fStack = GetMCStack() ;
559
560 if(!fStack)
561 {
562 printf("AliAnaGeneratorKine::MakeAnalysisFillHistograms() - No Stack available, STOP\n");
563 abort();
564 }
565
566 fParton2 = fStack->Particle(2) ;
567 fParton3 = fStack->Particle(3) ;
568 fParton6 = fStack->Particle(6) ;
569 fParton7 = fStack->Particle(7) ;
570
571 Float_t p6phi = fParton6->Phi();
572 if(p6phi < 0) p6phi +=TMath::TwoPi();
573 Float_t p7phi = fParton7->Phi();
574 if(p7phi < 0) p7phi +=TMath::TwoPi();
575
576 //printf("parton6: pt %2.2f, eta %2.2f, phi %2.2f with pdg %d\n",fParton6->Pt(),fParton6->Eta(),p6phi, fParton6->GetPdgCode());
577 //printf("parton7: pt %2.2f, eta %2.2f, phi %2.2f with pdg %d\n",fParton7->Pt(),fParton7->Eta(),p7phi, fParton7->GetPdgCode());
578
579 // Get the jets, only for pythia
580 if(!strcmp(GetReader()->GetGenEventHeader()->ClassName(), "AliGenPythiaEventHeader"))
581 {
582 AliGenPythiaEventHeader* pygeh= (AliGenPythiaEventHeader*) GetReader()->GetGenEventHeader();
583
584 fPtHard = pygeh->GetPtHard();
585
586 //printf("pt Hard %2.2f\n",fPtHard);
587
588 const Int_t nTriggerJets = pygeh->NTriggerJets();
589
590 Float_t tmpjet[]={0,0,0,0};
591
592 // select the closest jet to parton
593 Float_t jet7R = 100;
594 Float_t jet6R = 100;
595
596 for(Int_t ijet = 0; ijet< nTriggerJets; ijet++)
597 {
598 pygeh->TriggerJet(ijet, tmpjet);
599
600 TLorentzVector jet(tmpjet[0],tmpjet[1],tmpjet[2],tmpjet[3]);
601 Float_t jphi = jet.Phi();
602 if(jphi < 0) jphi +=TMath::TwoPi();
603
604 Double_t radius6 = GetIsolationCut()->Radius(fParton6->Eta(), p6phi, jet.Eta() , jphi) ;
605 Double_t radius7 = GetIsolationCut()->Radius(fParton7->Eta(), p7phi, jet.Eta() , jphi) ;
606
607 //printf("jet %d: pt %2.2f, eta %2.2f, phi %2.2f, r6 %2.2f, r7 %2.2f\n",ijet,jet.Pt(),jet.Eta(),jphi,radius6, radius7);
608
609 if (radius6 < jet6R)
610 {
611 jet6R = radius6;
612 fJet6 = jet;
613
614 }
615 if (radius7 < jet7R)
616 {
617 jet7R = radius7;
618 fJet7 = jet;
619 }
620
621 } // jet loop
622
623 //printf("jet6: pt %2.2f, eta %2.2f, phi %2.2f\n",fJet6.Pt(),fJet6.Eta(),fJet6.Phi());
624 //printf("jet7: pt %2.2f, eta %2.2f, phi %2.2f\n",fJet7.Pt(),fJet7.Eta(),fJet6.Phi());
625
626 } // pythia header
627
628 fhPtHard ->Fill(fPtHard);
629 fhPtJet ->Fill(fJet6.Pt());
630 fhPtJet ->Fill(fJet7.Pt());
631 fhPtParton ->Fill(fParton6->Pt());
632 fhPtParton ->Fill(fParton7->Pt());
633
634}
635
636//___________________________________________________________
637void AliAnaGeneratorKine::GetXE(const TLorentzVector trigger,
638 const Int_t indexTrig,
639 const Int_t pdgTrig,
640 const Bool_t leading[4],
641 const Bool_t isolated[4],
642 const Int_t iparton)
643{
644
645 // Calculate the real XE and the UE XE
646
647 Float_t ptThresTrack = 0.2;
648
649 Float_t ptTrig = trigger.Pt();
650 Float_t etaTrig = trigger.Eta();
651 Float_t phiTrig = trigger.Phi();
652 if(phiTrig < 0 ) phiTrig += TMath::TwoPi();
653
654 //Loop on primaries, start from position 8, no partons
655 for(Int_t ipr = 8; ipr < fStack->GetNprimary(); ipr ++ )
656 {
7b2086c3 657 TParticle * particle = fStack->Particle(ipr) ;
658
659 if(ipr==indexTrig) continue;
660
23fa04c5 661
7b2086c3 662 Int_t pdg = particle->GetPdgCode();
663 Int_t status = particle->GetStatusCode();
664
665 // Compare trigger with final state particles
666 if( status != 1) continue ;
667
668 Double_t charge = TDatabasePDG::Instance()->GetParticle(pdg)->Charge();
669
670 if(charge==0) continue; // construct xe only with charged
671
672 Float_t pt = particle->Pt();
673 Float_t eta = particle->Eta();
674 Float_t phi = particle->Phi();
675 if(phi < 0 ) phi += TMath::TwoPi();
676
677 if( pt < ptThresTrack) continue ;
678
679 if(TMath::Abs(eta) > 0.8) continue ; // TPC acceptance cut
23fa04c5 680
7b2086c3 681 //Isolation
682 Double_t radius = GetIsolationCut()->Radius(etaTrig, phiTrig, eta , phi) ;
683
684 Float_t xe = -pt/ptTrig*TMath::Cos(phi-phiTrig);
685
686 //Get the index of the mother
687 Int_t ipartonAway = particle->GetFirstMother();
23fa04c5 688 if(ipartonAway < 0) return;
7b2086c3 689 TParticle * mother = fStack->Particle(ipartonAway);
690 while (ipartonAway > 7)
691 {
692 ipartonAway = mother->GetFirstMother();
23fa04c5 693 if(ipartonAway < 0) break;
7b2086c3 694 mother = fStack->Particle(ipartonAway);
695 }
696
697 if((ipartonAway==6 || ipartonAway==7) && iparton!=ipartonAway)
698 {
699 //printf("xE : iparton %d, ipartonAway %d\n",iparton,ipartonAway);
700 if(radius > 1 ) continue; // avoid particles too far from trigger
701
702 for( Int_t i = 0; i < 4; i++ )
703 {
704 if(pdgTrig==111)
705 {
706 if(leading[i])
707 {
708 fhXEPi0Leading[i] ->Fill(ptTrig,xe);
709
710 if(isolated[i])
711 {
712 fhXEPi0LeadingIsolated[i] ->Fill(ptTrig,xe);
713 }
714 }
715 }// pi0
716 else if(pdgTrig==22)
717 {
718 if(leading[i])
719 {
720 fhXEPhotonLeading[i] ->Fill(ptTrig,xe);
721
722 if(isolated[i])
723 {
724 fhXEPhotonLeadingIsolated[i] ->Fill(ptTrig,xe);
725 }
726 }
727 } // photon
728 } // conditions loop
729 } // Away side
730
731 if(ipartonAway!=6 && ipartonAway!=7)
732 {
733
734 //printf("xE UE : iparton %d, ipartonAway %d\n",iparton,ipartonAway);
735
736 for( Int_t i = 0; i < 4; i++ )
737 {
738 if(pdgTrig==111)
739 {
740 if(leading[i])
741 {
742 fhXEUEPi0Leading[i] ->Fill(ptTrig,xe);
743
744 if(isolated[i])
745 {
746 fhXEUEPi0LeadingIsolated[i] ->Fill(ptTrig,xe);
747 }
748 }
749 }// pi0
750 else if(pdgTrig==22)
751 {
752 if(leading[i])
753 {
754 fhXEUEPhotonLeading[i] ->Fill(ptTrig,xe);
755
756 if(isolated[i])
757 {
758 fhXEUEPhotonLeadingIsolated[i] ->Fill(ptTrig,xe);
759 }
760 }
761 } // photon
762 } // conditions loop
763 } // Away side
764
765 } // primary loop
766
767
768}
769
770//________________________________________
771void AliAnaGeneratorKine::InitParameters()
772{
773
774 //Initialize the parameters of the analysis.
775 AddToHistogramsName("AnaGenKine_");
776
777}
778
779//___________________________________________________________________________
780void AliAnaGeneratorKine::IsLeadingAndIsolated(const TLorentzVector trigger,
781 const Int_t indexTrig,
782 const Int_t pdgTrig,
783 Bool_t leading[4],
784 Bool_t isolated[4])
785{
786 // Check if the trigger is the leading particle
787 // In case of neutral particles check all neutral or neutral in EMCAL acceptance
788
789 Float_t ptMaxCharged = 0; // all charged
790 Float_t ptMaxNeutral = 0; // all neutral
791 Float_t ptMaxNeutEMCAL = 0; // for neutral, select them in EMCAL acceptance
792 Float_t ptMaxNeutPhot = 0; // for neutral, take only photons
793 Float_t ptMaxNeutEMCALPhot = 0; // for neutral, take only photons in EMCAL acceptance
794
795 leading[0] = 0;
796 leading[1] = 0;
797 leading[2] = 0;
798 leading[3] = 0;
799
800 isolated[0] = 0;
801 isolated[1] = 0;
802 isolated[2] = 0;
803 isolated[3] = 0;
804
805 Float_t ptTrig = trigger.Pt();
806 Float_t etaTrig = trigger.Eta();
807 Float_t phiTrig = trigger.Phi();
808 if(phiTrig < 0 ) phiTrig += TMath::TwoPi();
809
810 // Minimum track or cluster energy
811 Float_t ptThresTrack = 0.2;
812 Float_t ptThresCalo = 0.3;
813
814 //Isolation cuts
815 Float_t ptThresIC = 0.5;
816 Float_t rThresIC = 0.4;
817 Int_t nICTrack = 0;
818 Int_t nICNeutral = 0;
819 Int_t nICNeutEMCAL = 0;
820 Int_t nICNeutPhot = 0;
821 Int_t nICNeutEMCALPhot = 0;
822
823 //Loop on primaries, start from position 8, no partons
824 for(Int_t ipr = 8; ipr < fStack->GetNprimary(); ipr ++ )
825 {
826 if(ipr == indexTrig) continue;
827 TParticle * particle = fStack->Particle(ipr) ;
828
829 Int_t imother= particle->GetFirstMother();
830 //printf("Leading ipr %d - mother %d\n",ipr, imother);
831
832 if(imother==indexTrig) continue ;
833
834 Int_t pdg = particle->GetPdgCode();
835 Int_t status = particle->GetStatusCode();
836
837 // Compare trigger with final state particles
838 if( status != 1) continue ;
839
840 Float_t pt = particle->Pt();
841 Float_t eta = particle->Eta();
842 Float_t phi = particle->Phi();
843 if(phi < 0 ) phi += TMath::TwoPi();
844
845 if(TMath::Abs(eta) > 0.8) continue ; // TPC acceptance cut
846
847 Double_t charge = TDatabasePDG::Instance()->GetParticle(pdg)->Charge();
848
849 //Isolation
850 Double_t radius = GetIsolationCut()->Radius(etaTrig, phiTrig, eta , phi) ;
851
852 if(charge==0)
853 {
854 if(pt < ptThresCalo) continue ;
855
856 if( ptMaxNeutral < pt ) ptMaxNeutral = pt;
857 if( pt > ptThresIC && radius < rThresIC ) nICNeutral++ ;
858
859 Bool_t phPDG = kFALSE;
860 if(pdg==22 || pdg==111) phPDG = kTRUE;
861
862 //if(pt > ptTrig) printf(" --- pdg %d, phPDG %d pT %2.2f, pTtrig %2.2f, eta %2.2f, phi %2.2f\n",pdg,phPDG,pt,ptTrig,particle->Eta(), particle->Phi()*TMath::RadToDeg());
863 if(phPDG)
864 {
865 if( ptMaxNeutPhot < pt) ptMaxNeutPhot = pt;
866 if( pt > ptThresIC && radius < rThresIC ) nICNeutPhot++ ;
867 }
868
869 //EMCAL acceptance
870 Bool_t inEMCAL = kTRUE;
871 if(TMath::Abs(particle->Eta()) > 0.7
872 || particle->Phi() > TMath::DegToRad()*180
873 || particle->Phi() < TMath::DegToRad()*80 ) inEMCAL = kFALSE ;
874
875 if(inEMCAL)
876 {
877 if( ptMaxNeutEMCAL < pt ) ptMaxNeutEMCAL = pt;
878 if( pt > ptThresIC && radius < rThresIC ) nICNeutEMCAL++ ;
879
880 if(phPDG)
881 {
882 if( ptMaxNeutEMCALPhot < pt ) ptMaxNeutEMCALPhot = pt;
883 if( pt > ptThresIC && radius < rThresIC ) nICNeutEMCALPhot++ ;
884 }
885 }
886 }
887 else
888 {
889 if( pt < ptThresTrack) continue ;
890
891 if( ptMaxCharged < pt ) ptMaxCharged = pt;
892
893 if( pt > ptThresIC && radius < rThresIC )
894 {
895 //printf("UE track? pTtrig %2.2f, pt %2.2f, etaTrig %2.2f, eta %2.2f, phiTrig %2.2f, phi %2.2f, radius %2.2f\n",
896 // ptTrig, pt,etaTrig, eta, phiTrig*TMath::RadToDeg(), phi*TMath::RadToDeg(),radius);
897 nICTrack++ ;
898 }
899 }
900
901 } // particle loop
902
903 // Leding decision
904 if(ptTrig > ptMaxCharged)
905 {
906 //printf("pt charged %2.2f, pt neutral %2.2f, pt neutral emcal %2.2f, pt photon %2.2f, pt photon emcal %2.2f\n",
907 // ptMaxCharged, ptMaxNeutral, ptMaxNeutEMCAL,ptMaxNeutPhot, ptMaxNeutEMCALPhot);
908 if(ptTrig > ptMaxNeutral ) leading[0] = kTRUE ;
909 if(ptTrig > ptMaxNeutEMCAL ) leading[1] = kTRUE ;
910 if(ptTrig > ptMaxNeutPhot ) leading[2] = kTRUE ;
911 if(ptTrig > ptMaxNeutEMCALPhot) leading[3] = kTRUE ;
912 }
913
914 //printf("N in cone over threshold : tracks %d, neutral %d, neutral emcal %d, photon %d, photon emcal %d\n",
915 // nICTrack, nICNeutral ,nICNeutEMCAL,nICNeutPhot, nICNeutEMCALPhot);
916
917 // Isolation decision
918 if(nICTrack == 0)
919 {
920 if(nICNeutral == 0 ) isolated[0] = kTRUE ;
921 if(nICNeutEMCAL == 0 ) isolated[1] = kTRUE ;
922 if(nICNeutPhot == 0 ) isolated[2] = kTRUE ;
923 if(nICNeutEMCALPhot == 0 ) isolated[3] = kTRUE ;
924 }
925
926 // Fill histograms if conditions apply for all 4 cases
927 for( Int_t i = 0; i < 4; i++ )
928 {
929 if(pdgTrig==111)
930 {
931 if(leading[i])
932 {
933 fhPtPi0Leading[i]->Fill(ptTrig);
934 if(isolated[i]) fhPtPi0LeadingIsolated[i]->Fill(ptTrig);
935 }
936 }// pi0
937 else if(pdgTrig==22)
938 {
939 if(leading[i])
940 {
941 fhPtPhotonLeading[i]->Fill(ptTrig);
942 if(isolated[i]) fhPtPhotonLeadingIsolated[i]->Fill(ptTrig);
943 }
944 } // photon
945 } // conditions loop
946
947}
948
949//_____________________________________________________
950void AliAnaGeneratorKine::MakeAnalysisFillHistograms()
951{
952 //Particle-Parton Correlation Analysis, fill histograms
953
954 TLorentzVector trigger;
955
956 GetPartonsAndJets();
957
958 for(Int_t ipr = 0; ipr < fStack->GetNprimary(); ipr ++ )
959 {
960 TParticle * particle = fStack->Particle(ipr) ;
961
962 Int_t pdgTrig = particle->GetPdgCode();
963 Int_t statusTrig = particle->GetStatusCode();
964 Int_t imother = particle->GetFirstMother();
965 Float_t ptTrig = particle->Pt();
966
967 // Select final state photons (prompt, fragmentation) or pi0s
968
969 //Check the origin of the photon, accept if prompt or initial/final state radiation
970 if(pdgTrig == 22 && statusTrig == 1)
971 {
972 if(imother > 8) continue;
973 }
974 // If not photon, trigger on pi0
975 else if(pdgTrig != 111) continue;
976
977 // Acceptance and kinematical cuts
2292cf03 978 if( ptTrig < GetMinPt() ) continue ;
7b2086c3 979
980 //EMCAL acceptance, a bit less
981 if(TMath::Abs(particle->Eta()) > 0.6) continue ;
982 if(particle->Phi() > TMath::DegToRad()*176) continue ;
983 if(particle->Phi() < TMath::DegToRad()*74 ) continue ;
984
985// printf("Particle %d : pdg %d status %d, mother index %d, pT %2.2f, eta %2.2f, phi %2.2f \n",
986// ipr, pdgTrig, statusTrig, imother, ptTrig, particle->Eta(), particle->Phi()*TMath::RadToDeg());
987
988// if(pdgTrig==111)
989// {
990// printf("\t pi0 daughters %d, %d\n", particle->GetDaughter(0), particle->GetDaughter(1));
991// }
992
993
994 if (pdgTrig==22 ) fhPtPhoton->Fill(ptTrig);
995 else if(pdgTrig==111) fhPtPi0 ->Fill(ptTrig);
996
997 // Check if it is leading
998 Bool_t leading[4] ;
999 Bool_t isolated[4] ;
1000
1001 particle->Momentum(trigger);
1002
1003 IsLeadingAndIsolated(trigger, ipr, pdgTrig, leading, isolated);
1004
1005 Int_t iparton = -1;
2292cf03 1006 Int_t ok = CorrelateWithPartonOrJet(trigger, ipr, pdgTrig, leading, isolated, iparton);
1007 if(!ok) continue;
1008
7b2086c3 1009 GetXE(trigger,ipr,pdgTrig,leading,isolated,iparton) ;
1010
1011 }
1012
1013 if(GetDebug() > 1) printf("AliAnaGeneratorKine::MakeAnalysisFillHistograms() - End fill histograms \n");
1014
1015}