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7c6659fc | 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 | * * | |
9b72221b | 7 | * Permission to usec, copy, modify and distribute this software and its * |
7c6659fc | 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 | // Jet Finder based on CDF algortihm | |
18 | // Charged jet evolution and the underlying event in proton-antiproton collisions at 1.8 TeV | |
19 | // Physical Review D, vol. 65, Issue 9, id. 092002 | |
20 | // http://www.phys.ufl.edu/~rfield/cdf/chgjet/chgjet_intro.html | |
21 | // Authors : Adrian.Sevcenco@cern.ch (adriansev@spacescience.ro ) | |
22 | // Daniel.Felea@cern.ch (dfelea@spacescience.ro) | |
23 | // Ciprian.Mihai.Mitu@cern.ch (mcm@spacescience.ro) | |
24 | //--------------------------------------------------------------------- | |
25 | ||
26 | /* | |
27 | Changelog | |
28 | ||
29 | ||
30 | ||
31 | */ | |
32 | ||
33 | #include <Riostream.h> | |
34 | #include <TROOT.h> | |
35 | #include <TMath.h> | |
36 | #include <TBits.h> | |
37 | #include <TFile.h> | |
38 | #include <TCanvas.h> | |
39 | #include <TClonesArray.h> | |
40 | #include <TLorentzVector.h> | |
41 | #include <TH1F.h> | |
42 | #include <TH2F.h> | |
43 | #include <TProfile.h> | |
44 | #include <TArrayF.h> | |
45 | #include <TVector2.h> | |
46 | ||
47 | #include "AliJetReader.h" | |
48 | #include "AliJetReaderHeader.h" | |
7c6659fc | 49 | #include "AliAODJet.h" |
50 | #include "AliAODEvent.h" | |
51 | #include "AliJetFinder.h" | |
52 | ||
53 | #include "AliCdfJetFinder.h" | |
54 | #include "AliCdfJetHeader.h" | |
55 | ||
56 | ClassImp(AliCdfJetFinder) | |
57 | ||
58 | //______________________________________________________________________________ | |
59 | AliCdfJetFinder::AliCdfJetFinder(): | |
60 | AliJetFinder(), | |
61 | fHistos(0), | |
7c6659fc | 62 | fFromAod(0), |
63 | fAODwrite(0), | |
64 | fAODtracksWrite(0), | |
5cac8240 | 65 | fAnalyseJets(0), |
7c6659fc | 66 | fRefArr (NULL), |
67 | fNJets(-9999), | |
68 | fNPart(-9999), | |
69 | fRadius(0.7), | |
70 | fMinJetParticles(1), | |
71 | fJetPtCut(0.), | |
72 | fVectParticle(NULL), | |
73 | fVectJet(NULL), | |
74 | fPtArray(NULL), | |
75 | fIdxArray(NULL) | |
76 | { /* Constructor */ } | |
77 | ||
78 | //______________________________________________________________________________ | |
79 | AliCdfJetFinder::~AliCdfJetFinder() | |
80 | { | |
81 | // destructor | |
82 | } | |
83 | ||
84 | //______________________________________________________________________________ | |
85 | void AliCdfJetFinder::CreateOutputObjects(TList * const histos) | |
86 | { | |
87 | // Create the list of histograms. Only the list is owned. | |
88 | fHistos = histos; | |
89 | ||
90 | // gStyle->SetOptStat(11111111); | |
91 | ||
92 | TH1F *h1 = new TH1F ("histo1", "Pt distribution of jets", 200, 0,200); // 1GeV/bin | |
93 | h1->SetStats(kTRUE); | |
94 | h1->GetXaxis()->SetTitle("P_{T} of jets"); | |
95 | h1->GetYaxis()->SetTitle("Number of jets"); | |
96 | h1->GetXaxis()->SetTitleColor(1); | |
97 | h1->SetMarkerStyle(kFullCircle); | |
98 | fHistos->Add(h1); | |
99 | ||
100 | TH1F *h2 = new TH1F ("histo2", "Eta distribution of jets", 240, -1.2,1.2); // 1 unit of rapidity / 100 bin | |
101 | h2->SetStats(kTRUE); | |
102 | h2->GetXaxis()->SetTitle("Eta of jets"); | |
103 | h2->GetYaxis()->SetTitle("Number of jets"); | |
104 | h2->GetXaxis()->SetTitleColor(1); | |
105 | h2->SetMarkerStyle(kFullCircle); | |
106 | fHistos->Add(h2); | |
107 | ||
108 | TH1F *h3 = new TH1F ("histo3", "Phi distribution of jets", 400, -4,4); | |
109 | h3->SetStats(kTRUE); | |
110 | h3->GetXaxis()->SetTitle("Phi of jets"); | |
111 | h3->GetYaxis()->SetTitle("Number of jets"); | |
112 | h3->GetXaxis()->SetTitleColor(1); | |
113 | h3->SetMarkerStyle(kFullCircle); | |
114 | fHistos->Add(h3); | |
115 | ||
116 | TH1F *h4 = new TH1F ("histo4", "Multiplicity of jets", 40, 0,40); // 1 unit of multiplicity /bin | |
117 | h4->SetStats(kTRUE); | |
118 | h4->GetXaxis()->SetTitle("Particles in jets"); | |
119 | h4->GetYaxis()->SetTitle("Number of jets"); | |
120 | h4->GetXaxis()->SetTitleColor(1); | |
121 | h4->SetMarkerStyle(kFullCircle); | |
122 | fHistos->Add(h4); | |
123 | ||
124 | TH1F *h5 = new TH1F ("histo5", "Distribution of jets in events", 100, 0,100); | |
125 | h5->SetStats(kTRUE); | |
126 | h5->GetXaxis()->SetTitle("Number of jets"); | |
127 | h5->GetYaxis()->SetTitle("Number of events"); | |
128 | h5->GetXaxis()->SetTitleColor(1); | |
129 | h5->SetMarkerStyle(kFullCircle); | |
130 | fHistos->Add(h5); | |
131 | ||
132 | TH1F *h6 = new TH1F ("histo6", "Jet1 Charged Multiplicity Distribution", 30, 0,30); | |
133 | h6->SetStats(kTRUE); | |
134 | h6->GetXaxis()->SetTitle("N_{chg}"); | |
135 | h6->GetYaxis()->SetTitle("Number of jets"); | |
136 | h6->GetXaxis()->SetTitleColor(1); | |
137 | h6->SetMarkerStyle(kFullCircle); | |
138 | fHistos->Add(h6); | |
139 | ||
140 | TProfile * h7 = new TProfile ("histo7","N_{chg}(jet1) vs P_{T}(charged jet1)", 200, 0. ,200. , 0.,200. ) ; | |
141 | h7->SetStats(kTRUE); | |
142 | h7->GetXaxis()->SetTitle("P_{T} (charged jet1) (GeV/c)"); | |
143 | h7->GetYaxis()->SetTitle("<N_{chg}(jet1)> in 1 GeV/c bin"); | |
144 | h7->GetXaxis()->SetTitleColor(1); | |
145 | h7->SetMarkerStyle(kFullCircle); | |
146 | fHistos->Add(h7); | |
147 | ||
148 | TH1F *h8 = new TH1F ("histo8", "Charge momentum distribution for leading jet", 120, 0 , 1.2); | |
149 | h8->SetStats(kTRUE); | |
150 | h8->GetXaxis()->SetTitle("Jets"); | |
151 | h8->GetYaxis()->SetTitle("Particle distribution"); | |
152 | h8->GetXaxis()->SetTitleColor(1); | |
153 | h8->SetMarkerStyle(kFullCircle); | |
154 | fHistos->Add(h8); | |
155 | ||
156 | TProfile *h9 = new TProfile ("histo9", "N_{chg} vs the Azimuthal Angle from Charged Jet1", 50 , 0. , 180. , 0 , 20 ); | |
157 | h9->SetStats(kTRUE); | |
158 | h9->GetXaxis()->SetTitle("#Delta#phi (degrees)"); | |
159 | h9->GetYaxis()->SetTitle("<N_{chg}> in 3.6 degree bin"); | |
160 | h9->GetXaxis()->SetTitleColor(1); | |
161 | h9->SetMarkerStyle(kFullCircle); | |
162 | fHistos->Add(h9); | |
163 | ||
164 | TProfile *h10 = new TProfile ("histo10", "P_{T} sum vs the Azimuthal Angle from Charged Jet1", 50 , 0. , 180. , 0 , 100 ); | |
165 | h10->SetStats(kTRUE); | |
166 | h10->GetXaxis()->SetTitle("#Delta#phi (degrees)"); | |
167 | h10->GetYaxis()->SetTitle("<P_{T} sum> in 3.6 degree bin"); | |
168 | h10->GetXaxis()->SetTitleColor(1); | |
169 | h10->SetMarkerStyle(kFullCircle); | |
170 | fHistos->Add(h10); | |
171 | ||
172 | TH1F *h11 = new TH1F ("histo11", " \"Transverse\" Pt Distribution ", 70, 0 , 14); | |
173 | h11->SetStats(kTRUE); | |
174 | h11->GetXaxis()->SetTitle("P_{T} (GeV/c)"); | |
175 | h11->GetYaxis()->SetTitle("dN_{chg}/dP_{T} (1/GeV/c)"); | |
176 | h11->GetXaxis()->SetTitleColor(1); | |
177 | h11->SetMarkerStyle(kFullCircle); | |
178 | fHistos->Add(h11); | |
179 | ||
180 | TH1F *h20 = new TH1F ("histo20", "Distribution of R in leading jet", 400, 0.,4.); | |
181 | h20->SetStats(kTRUE); | |
182 | h20->GetXaxis()->SetTitle("R [formula]"); | |
183 | h20->GetYaxis()->SetTitle("dN/dR"); | |
184 | h20->GetXaxis()->SetTitleColor(1); | |
185 | h20->SetMarkerStyle(kFullCircle); | |
186 | fHistos->Add(h20); | |
187 | ||
188 | TProfile * h21 = new TProfile ("histo21","N_{chg}(in the event - including jet1) vs P_{T}(charged jet1)", 200, 0., 50. , 0., 30. ) ; | |
189 | h21->SetStats(kTRUE); | |
190 | h21->GetXaxis()->SetTitle("P_{T} (charged jet1) (GeV/c)"); | |
191 | h21->GetYaxis()->SetTitle("<N_{chg}(in the event - including jet1)> in 1 GeV/c bin"); | |
192 | h21->GetXaxis()->SetTitleColor(1); | |
193 | h21->SetMarkerStyle(kFullCircle); | |
194 | fHistos->Add(h21); | |
195 | ||
196 | TProfile * h22 = new TProfile ("histo22","PT_{sum}(in the event - including jet1) vs P_{T}(charged jet1)", 200, 0. , 50. , 0., 50. ) ; | |
197 | h22->SetStats(kTRUE); | |
198 | h22->GetXaxis()->SetTitle("P_{T} (charged jet1) (GeV/c)"); | |
199 | h22->GetYaxis()->SetTitle("<PT_{sum}(in the event - including jet1)> in 1 GeV/c bin"); | |
200 | h22->GetXaxis()->SetTitleColor(1); | |
201 | h22->SetMarkerStyle(kFullCircle); | |
202 | fHistos->Add(h22); | |
203 | ||
204 | TProfile * h21Toward = new TProfile ("histo21_toward","N_{chg}(in the event - including jet1) vs P_{T}(charged jet1)", 200, 0., 50. , 0., 12. ) ; | |
205 | h21Toward->SetStats(kTRUE); | |
206 | h21Toward->GetXaxis()->SetTitle("P_{T} (charged jet1) (GeV/c)"); | |
207 | h21Toward->GetYaxis()->SetTitle("<N_{chg}(in the event - including jet1)> in 1 GeV/c bin"); | |
208 | h21Toward->GetXaxis()->SetTitleColor(1); | |
209 | h21Toward->SetMarkerStyle(kFullCircle); | |
210 | fHistos->Add(h21Toward); | |
211 | ||
212 | TProfile * h21Transverse = new TProfile ("histo21_transverse","N_{chg}(in the event - including jet1) vs P_{T}(charged jet1)", 200, 0., 50. , 0., 12. ) ; | |
213 | h21Transverse->SetStats(kTRUE); | |
214 | h21Transverse->GetXaxis()->SetTitle("P_{T} (charged jet1) (GeV/c)"); | |
215 | h21Transverse->GetYaxis()->SetTitle("<N_{chg}(in the event - including jet1)> in 1 GeV/c bin"); | |
216 | h21Transverse->GetXaxis()->SetTitleColor(1); | |
217 | h21Transverse->SetMarkerStyle(kFullCircle); | |
218 | fHistos->Add(h21Transverse); | |
219 | ||
220 | TProfile * h21Away = new TProfile ("histo21_away","N_{chg}(in the event - including jet1) vs P_{T}(charged jet1)", 200, 0., 50. , 0., 12. ) ; | |
221 | h21Away->SetStats(kTRUE); | |
222 | h21Away->GetXaxis()->SetTitle("P_{T} (charged jet1) (GeV/c)"); | |
223 | h21Away->GetYaxis()->SetTitle("<N_{chg}(in the event - including jet1)> in 1 GeV/c bin"); | |
224 | h21Away->GetXaxis()->SetTitleColor(1); | |
225 | h21Away->SetMarkerStyle(kFullCircle); | |
226 | fHistos->Add(h21Away); | |
227 | ||
228 | TProfile * h22Toward = new TProfile ("histo22_toward","PT_{sum}(in the event - including jet1) vs P_{T}(charged jet1)", 200, 0. , 50. , 0., 50. ) ; | |
229 | h22Toward->SetStats(kTRUE); | |
230 | h22Toward->GetXaxis()->SetTitle("P_{T} (charged jet1) (GeV/c)"); | |
231 | h22Toward->GetYaxis()->SetTitle("<PT_{sum}(in the event - including jet1)> in 1 GeV/c bin"); | |
232 | h22Toward->GetXaxis()->SetTitleColor(1); | |
233 | h22Toward->SetMarkerStyle(kFullCircle); | |
234 | fHistos->Add(h22Toward); | |
235 | ||
236 | TProfile * h22Transverse = new TProfile ("histo22_transverse","PT_{sum}(in the event - including jet1) vs P_{T}(charged jet1)", 200, 0. , 50. , 0., 50. ) ; | |
237 | h22Transverse->SetStats(kTRUE); | |
238 | h22Transverse->GetXaxis()->SetTitle("P_{T} (charged jet1) (GeV/c)"); | |
239 | h22Transverse->GetYaxis()->SetTitle("<PT_{sum}(in the event - including jet1)> in 1 GeV/c bin"); | |
240 | h22Transverse->GetXaxis()->SetTitleColor(1); | |
241 | h22Transverse->SetMarkerStyle(kFullCircle); | |
242 | fHistos->Add(h22Transverse); | |
243 | ||
244 | TProfile * h22Away = new TProfile ("histo22_away","PT_{sum}(in the event - including jet1) vs P_{T}(charged jet1)", 200, 0. , 50. , 0., 50. ) ; | |
245 | h22Away->SetStats(kTRUE); | |
246 | h22Away->GetXaxis()->SetTitle("P_{T} (charged jet1) (GeV/c)"); | |
247 | h22Away->GetYaxis()->SetTitle("<PT_{sum}(in the event - including jet1)> in 1 GeV/c bin"); | |
248 | h22Away->GetXaxis()->SetTitleColor(1); | |
249 | h22Away->SetMarkerStyle(kFullCircle); | |
250 | fHistos->Add(h22Away); | |
251 | ||
252 | TH1F *h23Toward = new TH1F ("histo23_toward","'Toward' Pt Distribution of charged particles", 200, 0., 14.); | |
253 | h23Toward->SetStats(kTRUE); | |
254 | h23Toward->GetXaxis()->SetTitle("P_{T} (charged) (GeV/c)"); | |
255 | h23Toward->GetYaxis()->SetTitle("dN_{chg}/dP_{T} (1/GeV/c)"); | |
256 | h23Toward->GetXaxis()->SetTitleColor(1); | |
257 | h23Toward->SetMarkerStyle(kFullCircle); | |
258 | fHistos->Add(h23Toward); | |
259 | ||
260 | TH1F *h23Transverse = new TH1F ("histo23_transverse","'Transverse' Pt Distribution of charged particles", 200, 0., 14.); | |
261 | h23Transverse->SetStats(kTRUE); | |
262 | h23Transverse->GetXaxis()->SetTitle("P_{T} (charged) (GeV/c)"); | |
263 | h23Transverse->GetYaxis()->SetTitle("dN_{chg}/dP_{T} (1/GeV/c)"); | |
264 | h23Transverse->GetXaxis()->SetTitleColor(1); | |
265 | h23Transverse->SetMarkerStyle(kFullCircle); | |
266 | fHistos->Add(h23Transverse); | |
267 | ||
268 | TH1F *h23Away = new TH1F ("histo23_away","'Away' Pt Distribution of charged particles", 200, 0., 14.); | |
269 | h23Away->SetStats(kTRUE); | |
270 | h23Away->GetXaxis()->SetTitle("P_{T} (charged) (GeV/c)"); | |
271 | h23Away->GetYaxis()->SetTitle("dN_{chg}/dP_{T} (1/GeV/c)"); | |
272 | h23Away->GetXaxis()->SetTitleColor(1); | |
273 | h23Away->SetMarkerStyle(kFullCircle); | |
274 | fHistos->Add(h23Away); | |
275 | ||
276 | TProfile * h24 = new TProfile ("histo24","Jet1 Size vs P_{T}(charged jet1)", 200, 0., 50. , 0., 0.5) ; | |
277 | h24->SetStats(kTRUE); | |
278 | h24->GetXaxis()->SetTitle("P_{T} (charged jet1) (GeV/c)"); | |
279 | h24->GetYaxis()->SetTitle("<R(chgjet1)> in 1 GeV/c bin"); | |
280 | h24->GetXaxis()->SetTitleColor(1); | |
281 | h24->SetMarkerStyle(kFullCircle); | |
282 | fHistos->Add(h24); | |
283 | ||
284 | TProfile * h25 = new TProfile ("histo25","Jet1 Size vs P_{T}(charged jet1)", 200, 0., 50. , 0., 0.5) ; | |
285 | h25->SetStats(kTRUE); | |
286 | h25->GetXaxis()->SetTitle("P_{T} (charged jet1) (GeV/c)"); | |
287 | h25->GetYaxis()->SetTitle("<R(chgjet1)> in 1 GeV/c bin"); | |
288 | h25->GetXaxis()->SetTitleColor(1); | |
289 | h25->SetMarkerStyle(kFullCircle); | |
290 | fHistos->Add(h25); | |
291 | ||
292 | TProfile *h26 = new TProfile ("histo26", "N_{chg} vs the Distance R from Charged Jet1", 30, 0., 0.6, 0., 0.8); | |
293 | h26->SetStats(kTRUE); | |
294 | h26->GetXaxis()->SetTitle("Distance R"); | |
295 | h26->GetYaxis()->SetTitle("<N_{chg}> in 0.02 bin"); | |
296 | h26->GetXaxis()->SetTitleColor(1); | |
297 | h26->SetMarkerStyle(kFullCircle); | |
298 | fHistos->Add(h26); | |
299 | ||
300 | TProfile *h27 = new TProfile ("histo27", "N_{chg} vs the Distance R from Charged Jet1", 30, 0., 0.6, 0., 0.8); | |
301 | h27->SetStats(kTRUE); | |
302 | h27->GetXaxis()->SetTitle("Distance R"); | |
303 | h27->GetYaxis()->SetTitle("<N_{chg}> in 0.02 bin"); | |
304 | h27->GetXaxis()->SetTitleColor(1); | |
305 | h27->SetMarkerStyle(kFullCircle); | |
306 | fHistos->Add(h27); | |
307 | ||
308 | TProfile *h28 = new TProfile ("histo28", "PT_{sum} vs the Distance R from Charged Jet1", 30, 0., 0.6, 0.01, 10.); | |
309 | h28->SetStats(kTRUE); | |
310 | h28->GetXaxis()->SetTitle("Distance R"); | |
311 | h28->GetYaxis()->SetTitle("<PT_{sum} (GeV/c)> in 0.02 bin"); | |
312 | h28->GetXaxis()->SetTitleColor(1); | |
313 | h28->SetMarkerStyle(kFullCircle); | |
314 | fHistos->Add(h28); | |
315 | ||
316 | TProfile *h29 = new TProfile ("histo29", "PT_{sum} vs the Distance R from Charged Jet1", 30, 0., 0.6, 0.01, 10.); | |
317 | h29->SetStats(kTRUE); | |
318 | h29->GetXaxis()->SetTitle("Distance R"); | |
319 | h29->GetYaxis()->SetTitle("<PT_{sum} (GeV/c)> in 0.02 bin"); | |
320 | h29->GetXaxis()->SetTitleColor(1); | |
321 | h29->SetMarkerStyle(kFullCircle); | |
322 | fHistos->Add(h29); | |
323 | ||
324 | } | |
325 | ||
326 | //______________________________________________________________________________ | |
327 | void AliCdfJetFinder::FindJets() | |
328 | { | |
329 | // Jet Algorithm: | |
330 | // * Order all charged particles according to their PT. | |
331 | // * Start with the highest PT particle and include in the "jet" all particles within the "radius" R = 0.7 | |
332 | // (considering each particle in the order of decreasing PT and recalculating the centroid of the jet after | |
333 | // each new particle is added to the jet). | |
334 | // * Go to the next highest PT particle (not already included in a jet) and include in the "jet" all particles | |
335 | // (not already included in a jet) within the radius R =0.7. | |
336 | // * Continue until all particles are in a "jet". | |
9b72221b | 337 | if (fDebug) { printf("AliCDJetfinder::FindJets() %d \n", __LINE__ ); } |
7c6659fc | 338 | AliCdfJetHeader *header = (AliCdfJetHeader*)fHeader; |
339 | ||
340 | if (header) | |
341 | { | |
c160eaec | 342 | fDebug = header->GetDebug(); |
7c6659fc | 343 | fAODwrite = header->IsAODwrite() ; // write jets to AOD |
344 | fAODtracksWrite = header->IsAODtracksWrite() ; // write jet tracks to AOD | |
345 | fRadius = header->GetRadius(); // get Radius from jet finder header | |
346 | fMinJetParticles = header->GetMinPartJet (); // get minimum multiplicity of an jet | |
347 | fJetPtCut = header->GetJetPtCut (); // get minimum of jet pt | |
348 | } | |
349 | else | |
350 | { cout << "Header not found" << endl; return; } | |
351 | ||
352 | if (fAODwrite) | |
353 | { | |
354 | fFromAod = !strcmp(fReader->ClassName(),"AliJetAODReader"); | |
355 | if (fFromAod) { fRefArr = fReader->GetReferences(); } | |
356 | } | |
357 | ||
358 | InitData(); | |
359 | ||
360 | if (!fNPart) { if (fDebug) {cout << "entries = 0 ; Event empty !!!" << endl ;} return; } // if event empty then exit | |
361 | ||
362 | FindCones(); | |
363 | ||
364 | ComputeConesWeight(); | |
365 | ||
9b72221b | 366 | if (fAODwrite) { |
367 | if(fDebug)cout << "Writing AOD" << endl ; | |
368 | WriteJets(); | |
369 | } | |
7c6659fc | 370 | |
5cac8240 | 371 | if (fAnalyseJets) AnalizeJets(); |
7c6659fc | 372 | |
373 | Clean(); | |
374 | ||
375 | } | |
376 | ||
377 | //______________________________________________________________________________ | |
378 | void AliCdfJetFinder::InitData() | |
379 | { | |
380 | // initialisation of variables and data members | |
381 | ||
382 | TClonesArray * vectArray = fReader->GetMomentumArray() ; | |
5cac8240 | 383 | if ( vectArray == 0 ) { cout << "Could not get the momentum array" << endl; return; } |
7c6659fc | 384 | |
385 | fNPart = vectArray->GetEntries() ; // n particles in this event; | |
386 | ||
387 | if ( fNPart == 0 ) { return ; } // if event empty then exit | |
388 | ||
7c6659fc | 389 | fVectParticle = new varContainer* [fNPart]; // container for Particles |
390 | ||
391 | fPtArray = new Double_t [fNPart] ; // momentum array | |
392 | fIdxArray = new Int_t [fNPart] ; // index array of sorted pts | |
393 | ||
394 | // initialisation of momentum and index arrays | |
395 | for ( Int_t i = 0 ; i < fNPart ; i++ ) | |
396 | {// SORTING STEP :: fPtArray with data from TClonesArray of TLorentzVector | |
397 | TLorentzVector * lv = (TLorentzVector*) vectArray->At(i); | |
398 | ||
399 | // INITIALISATION of local arrays for temporary storage | |
400 | varContainer *aParticle = new varContainer; | |
401 | aParticle->pt = lv->Pt(); | |
402 | aParticle->eta = lv->Eta(); | |
403 | aParticle->phi = TVector2::Phi_mpi_pi ( lv->Phi() ); // normalize to -pi,pi | |
404 | aParticle->njet = -999; | |
405 | ||
406 | fVectParticle[i] = aParticle; // vector of Particles | |
407 | ||
408 | // initializing arrays | |
409 | fIdxArray [i] = -999 ; | |
410 | fPtArray [i] = aParticle->pt ; | |
411 | } | |
412 | ||
413 | TMath::Sort ( fNPart, fPtArray, fIdxArray ) ; // get a sorted array of indexes with TClonesArray.Size() | |
414 | ||
415 | } | |
416 | ||
417 | ||
418 | //______________________________________________________________________________ | |
419 | void AliCdfJetFinder::FindCones() | |
420 | { | |
421 | // parsing of particles in event and estlabish jets (label them with jet index) | |
422 | ||
423 | Double_t ptSeed = 0. , etaSeed = 0. , phiSeed = 0. ; // leading particle params | |
424 | Double_t pttmp = 0. , etatmp = 0. , phitmp = 0. ; // temporary variables to be used in various calculations | |
425 | Double_t deta = 0. , dphi = 0. , dcomputed = 0. ; | |
426 | Bool_t injet = 0 ; | |
427 | ||
428 | fNJets = -1 ; // n jets in this event | |
429 | Int_t idxPtSort = -1 ; // index of array of sorted pt indexes | |
430 | ||
431 | if (fDebug) { cout << "\n\n\n\n\n\n------------------\nBegin Event Analysis\n------------------\n\n" << endl ;} | |
432 | ||
2703efb8 | 433 | if(fDebug)cout << "fNPart = " << fNPart << endl; |
7c6659fc | 434 | |
435 | TBits lkupTable ( fNPart ) ; // bit container ; 1-to-1 corespondence with fIdxArray | |
436 | ||
437 | while ( lkupTable.CountBits() != (UInt_t)fNPart ) | |
438 | { // loop over particles in event until all flags are set | |
439 | UInt_t firstnonflagged = lkupTable.FirstNullBit() ; // set the index to the first NON flagged bit ; less conditions | |
440 | ||
2703efb8 | 441 | if(fDebug)cout << "\n\nfirst_non_flagged : " << firstnonflagged << endl; |
7c6659fc | 442 | |
443 | ++fNJets; // incrementing the jet counter | |
444 | if (fDebug) { printf("JET %d \n", fNJets); } | |
445 | ||
446 | ptSeed = 0. ; etaSeed = 0. ; phiSeed = 0. ; // reseting leading particle params | |
447 | ||
448 | for ( UInt_t ipart = firstnonflagged ; ipart < (UInt_t)fNPart ; ipart++ ) | |
449 | {// iteration over particles in event | |
450 | // the loop is done over sorted array of pt | |
451 | idxPtSort = fIdxArray[ipart] ; // index of particle ! fIdxArray is an index list pt sorted | |
452 | ||
453 | if ( lkupTable.TestBitNumber(ipart) ) { continue; } // if 4vector is already flagged skip it | |
454 | ||
455 | //init computed and used vars | |
456 | pttmp = 0. ; etatmp = 0. ; phitmp = 0. ; | |
457 | deta = 0. ; dphi = 0. ; dcomputed = 0. ; injet = 0 ; | |
458 | ||
459 | //taking info from fVectParticle ; | |
460 | pttmp = fVectParticle[idxPtSort]->pt ; | |
461 | etatmp = fVectParticle[idxPtSort]->eta ; | |
462 | phitmp = fVectParticle[idxPtSort]->phi ; | |
463 | ||
464 | if ( ipart == firstnonflagged ) | |
465 | {// this is first particle in event; leading particle | |
466 | // begin the search around this particle in a fRadius | |
467 | ||
468 | // CENTRE OF THE JET | |
469 | ptSeed = pttmp ; etaSeed = etatmp ; phiSeed = phitmp ; // seeding the jet with first particle idxPtSort | |
470 | ||
471 | lkupTable.SetBitNumber ( ipart ) ; // flag the index of particle in lkup_table | |
472 | fVectParticle[idxPtSort]->njet = fNJets ; // associate particle with current jet number | |
473 | ||
474 | if (fDebug) { printf("\nLeading particle :: particle index = %d ; at sorted index %d ; in jet %d \n", idxPtSort, ipart, fNJets); } | |
475 | if (fDebug) { printf("pt= %g ; eta= %g ; phi = %g \n", pttmp, etatmp, phitmp) ; } | |
476 | if (fDebug) { lkupTable.Print() ;} | |
477 | ||
478 | continue ; // skip to next particle | |
479 | } | |
480 | ||
481 | // condition to be in jet | |
482 | deta = etatmp - etaSeed ; | |
483 | dphi = TVector2::Phi_mpi_pi (phitmp - phiSeed) ; // computing dphi and normalizing to (0,2pi) interval in one step | |
484 | ||
485 | dcomputed = TMath::Hypot(deta, dphi) ; // Distance(fRadius) to (eta,phi) seed | |
486 | ||
487 | injet = ( ( fRadius - dcomputed ) >= 0.000000001 ) ? 1 : 0 ; // if r_computed is within jet_r in_jet == 1 else 0 | |
488 | ||
489 | if ( injet ) | |
490 | { // calculus of jet variables | |
491 | lkupTable.SetBitNumber ( ipart ) ; // flag the index of particle in lkup_table | |
492 | fVectParticle[idxPtSort]->njet = fNJets ; // setting in particle list the associated jet | |
493 | ||
494 | if (fDebug) { printf("\njet particle :: particle index = %d ; at sorted index %d ; in jet %d ; found at radius %g ; \n", idxPtSort, ipart, fNJets, dcomputed); } | |
495 | if (fDebug) { printf("pt= %g ; eta= %g ; phi = %g \n", pttmp, etatmp, phitmp) ; } | |
496 | if (fDebug) { lkupTable.Print() ;} | |
497 | ||
498 | continue ; // skip to next particle | |
499 | } | |
500 | ||
501 | } | |
502 | // end of iteration over event; one jet definition of content ; jet parameters to be computed later | |
503 | } | |
504 | } | |
505 | ||
506 | ||
507 | //______________________________________________________________________________ | |
508 | void AliCdfJetFinder::ComputeConesWeight() | |
509 | { | |
510 | // computing of jets Pt, Eta and Phi (centre of weight in (eta,phi) plane) | |
511 | // rescan the vector of particles by identify them by asociate jet number for computing of weight centre | |
512 | ||
513 | // JET CONTAINER | |
514 | fVectJet = new varContainer* [fNJets]; // container for Jets | |
515 | ||
516 | Double_t ptJet, ptJet2 , etaJet , phiJet ; Int_t npartJet ; | |
517 | Double_t pttmp = 0. , etatmp = 0. , phitmp = 0. ; // temporary variables to be used in various calculations | |
518 | Int_t idxPtSort = -999 ; // index of array of sorted pt indexes | |
519 | ||
520 | for( Int_t jet = 0 ; jet < fNJets ; jet++ ) | |
521 | { | |
522 | if (fDebug) { printf("\n\n--- Computing weight of Jet %d \n", jet ); } | |
523 | npartJet = 0 ; ptJet = 0. ; etaJet = 0. ; phiJet = 0. ; // reset variables for a new computation | |
524 | ||
525 | for ( Int_t ipart = 0 ; ipart < fNPart ; ipart++ ) | |
526 | {// iteration over particles in event | |
527 | // the loop is done over sorted array of pt | |
528 | idxPtSort = fIdxArray[ipart] ; // index of particle ! fIdxArray is an index list pt sorted | |
529 | ||
530 | if ( fVectParticle[idxPtSort]->njet == jet ) | |
531 | { | |
532 | ++npartJet; // incrementing the counter of jet particles | |
533 | ||
534 | //taking info from fVectParticle ; | |
535 | pttmp = fVectParticle[idxPtSort]->pt ; | |
536 | etatmp = fVectParticle[idxPtSort]->eta ; | |
537 | phitmp = TVector2::Phi_mpi_pi (fVectParticle[idxPtSort]->phi) ; | |
538 | ||
539 | // jet_new_angular_coordinate = jet_old_angular_coordinate * jet_old_pt / jet_new_pt + | |
540 | // part[i]_angular_coordinate * part[i]_pt/jet_new_pt | |
541 | ||
542 | ptJet2 = ptJet + pttmp ; | |
543 | ||
544 | etaJet = etaJet * ptJet / ptJet2 + etatmp * pttmp / ptJet2 ; | |
545 | phiJet = phiJet * ptJet / ptJet2 + phitmp * pttmp / ptJet2 ; | |
546 | ||
547 | ptJet = ptJet2 ; | |
548 | ||
549 | } | |
550 | // add a particle and recalculation of centroid | |
551 | } | |
552 | // end of 1 jet computation | |
553 | ||
554 | varContainer *aJet = new varContainer; // Jet container | |
555 | aJet->pt = ptJet; aJet->eta = etaJet; aJet->phi = phiJet; aJet->njet = npartJet; // setting jet vars in container | |
556 | fVectJet[jet] = aJet; // store the number of the jet(fNJets) and increment afterwards | |
557 | ||
558 | if (fDebug) { printf ("=== current jet %d : npartjet= %d ; pt_jet= %g ; eta_jet = %g ; phi_jet = %g \n\n\n", | |
559 | jet, npartJet, ptJet, etaJet, phiJet ) ; } | |
560 | ||
561 | } | |
562 | //end loop over jets | |
563 | ||
564 | } | |
565 | ||
566 | ||
567 | //______________________________________________________________________________ | |
568 | void AliCdfJetFinder::WriteJets() | |
569 | { | |
570 | // Writing AOD jets and AOD tracks | |
571 | ||
572 | for( Int_t jetnr = 0 ; jetnr < fNJets ; jetnr++ ) | |
573 | { | |
574 | Double_t pt = 0., eta = 0., phi = 0., // jet variables | |
575 | px = 0., py = 0., pz = 0., en = 0.; // convert to 4-vector | |
576 | pt = fVectJet[ jetnr ]->pt ; // pt of jet | |
577 | eta = fVectJet[ jetnr ]->eta ; // eta of jet | |
578 | phi = fVectJet[ jetnr ]->phi ; // phi of jet | |
579 | ||
580 | px = pt * TMath::Cos ( phi ) ; | |
581 | py = pt * TMath::Sin ( phi ) ; | |
582 | pz = pt / TMath::Tan ( 2.0 * TMath::ATan ( TMath::Exp ( -eta ) ) ) ; | |
583 | en = TMath::Sqrt ( px * px + py * py + pz * pz ); | |
584 | ||
585 | AliAODJet jet (px, py, pz, en); | |
5cac8240 | 586 | |
7c6659fc | 587 | |
588 | if (fDebug) jet.Print(""); | |
589 | ||
590 | if (fFromAod && fAODtracksWrite) | |
9b72221b | 591 | { |
5cac8240 | 592 | for ( Int_t jetTrack = 0; jetTrack < fNPart; jetTrack++ ) |
9b72221b | 593 | { if ( fVectParticle[jetTrack]->njet == jetnr ) { jet.AddTrack(fRefArr->At(jetTrack)) ; } } |
594 | } | |
5cac8240 | 595 | // tracks REFs written in AOD |
596 | AddJet(jet); | |
7c6659fc | 597 | } |
598 | //jets vector parsed and written to AOD | |
599 | } | |
600 | ||
601 | ||
602 | //______________________________________________________________________________ | |
603 | void AliCdfJetFinder::AnalizeJets() | |
604 | { | |
605 | // analyzing of jets and filling of histograms | |
606 | ||
5cac8240 | 607 | const Double_t kPI = TMath::Pi(); |
608 | ||
7c6659fc | 609 | //persistent pointer to histo20 |
610 | TH1F *hR = (TH1F*)fHistos->FindObject("histo20"); | |
611 | ||
612 | Int_t *jetsptidx = 0; // sorted array of jets pt | |
613 | Double_t *jetspt = 0; // array of jets pts | |
614 | Int_t leadingjetindex = -1 ; // index of leading jet from fVectJet | |
615 | Int_t partleadjet = 0 ; // number of particles in leading jet | |
616 | Double_t ptleadjet = 0. ; // pt of leading jet | |
617 | Double_t etaleadjet = 0. ; // eta of leading jet | |
618 | Double_t phileadjet = 0. ; // phi of leading jet | |
619 | ||
620 | jetsptidx = new Int_t [fNJets] ; | |
621 | jetspt = new Double_t [fNJets] ; | |
622 | ||
623 | //________________________________________________________________________________________ | |
624 | // Jet sorting and finding the leading jet that coresponds to cuts in pt and multiplicity | |
625 | //________________________________________________________________________________________ | |
626 | ||
627 | // filing the idx_ptjets array | |
628 | if (fDebug) printf("List of unsorted jets:\n"); | |
629 | for( Int_t i = 0 ; i < fNJets ; i++ ) | |
630 | { | |
631 | jetsptidx [i] = 0 ; | |
632 | jetspt [i] = fVectJet[i]->pt ; | |
633 | if (fDebug) { cout << " jet found: " << i << " npartjet=" << fVectJet[i]->njet << " ; jets_pt = " << jetspt[i] << endl; } | |
634 | } | |
635 | ||
636 | TMath::Sort ( fNJets, jetspt , jetsptidx ) ; // sorting pt of jets | |
637 | ||
638 | // selection of leading jet | |
639 | // looping over jets searching for __first__ one that coresponds to cuts | |
640 | for( Int_t i = 0 ; i < fNJets ; i++ ) | |
641 | { | |
642 | if ( ( fVectJet[ jetsptidx[i] ]->njet >= fMinJetParticles ) && ( fVectJet[ jetsptidx[i] ]->pt >= fJetPtCut ) ) | |
643 | { | |
644 | leadingjetindex = jetsptidx[i] ; | |
645 | partleadjet = fVectJet[ leadingjetindex ]->njet ; // number of particles in leading jet | |
646 | ptleadjet = fVectJet[ leadingjetindex ]->pt ; // pt of leading jet | |
647 | etaleadjet = fVectJet[ leadingjetindex ]->eta ; // eta of leading jet | |
648 | phileadjet = fVectJet[ leadingjetindex ]->phi ; // phi of leading jet | |
649 | ||
650 | if (fDebug) | |
651 | { printf("Leading jet %d : npart= %d ; pt= %g ; eta = %g ; phi = %g \n", leadingjetindex, partleadjet, ptleadjet, etaleadjet, phileadjet ); } | |
652 | ||
653 | break ; | |
654 | } | |
655 | } | |
656 | // end of selection of leading jet | |
657 | ||
658 | ||
659 | ||
660 | ////////////////////////////////////////////////// | |
661 | //// Computing of values used in histograms | |
662 | ////////////////////////////////////////////////// | |
663 | ||
664 | //___________________________________________________________________________ | |
665 | // pt_sum of all particles in event | |
666 | //___________________________________________________________________________ | |
667 | cout << "Computing sum of pt in event" << endl ; | |
668 | Double_t ptsumevent = 0.; | |
669 | for ( Int_t i = 0 ; i< fNPart ; i++ ) { ptsumevent += fVectParticle[i]->pt ; } | |
670 | printf ("Sum of all Pt in event : pt_sum_event = %g", ptsumevent) ; | |
671 | ||
672 | //___________________________________________________________________________ | |
673 | // Filling an array with indexes of leading jet particles | |
674 | //___________________________________________________________________________ | |
675 | Int_t * idxpartLJ = new Int_t [partleadjet] ; | |
676 | Int_t counterpartleadjet = 0; | |
677 | ||
678 | cout << "Filling an array with indexes of leading jet particles" << endl; | |
679 | ||
680 | for( Int_t i = 0 ; i < fNPart ; i++ ) | |
681 | { | |
682 | if ( fVectParticle[i]->njet == leadingjetindex ) | |
683 | { idxpartLJ[counterpartleadjet++] = i ; } | |
684 | } | |
685 | ||
686 | if ( (counterpartleadjet-1) > partleadjet ) { cout << " Counter_part_lead_jet > part_leadjet !!!!" << endl;} | |
687 | ||
688 | ||
689 | //___________________________________________________________________________ | |
690 | // Calculus of part distribution in leading jet | |
691 | //___________________________________________________________________________ | |
692 | Double_t z = 0. ; | |
693 | Double_t *zpartljet = new Double_t [ partleadjet ] ; // array of z of particles in leading jet | |
694 | ||
695 | cout << "Entering loop of calculus of part distribution in leading jet" << endl ; | |
696 | ||
697 | for( Int_t j = 0 ; j < partleadjet ; j++ ) | |
698 | { | |
699 | Double_t zj = fVectParticle[idxpartLJ[j]]->pt ; | |
700 | z = zj / ptleadjet ; | |
701 | zpartljet [j] = z ; | |
702 | cout << "idx_leadjet_part[j] = " << idxpartLJ[j] | |
703 | << " p of particle = " << zj | |
704 | << " pt lead jet = " << ptleadjet | |
705 | << " Z = " << z << endl; | |
706 | } | |
707 | ||
708 | ||
709 | //___________________________________________________________________________ | |
710 | // array of delta phi's between phi of particles and leading jet phi | |
711 | //___________________________________________________________________________ | |
712 | cout << "array of delta phi's between phi of particles and leading jet phi" << endl; | |
713 | Double_t dphipartLJ = 0. ; | |
714 | Double_t *dphipartljet = new Double_t [fNPart]; | |
715 | for( Int_t part = 0 ; part < fNPart ; part++ ) | |
716 | { | |
717 | dphipartLJ = fVectParticle[part]->phi - phileadjet ; | |
718 | dphipartLJ = TVector2::Phi_mpi_pi (dphipartLJ) ; // restrict the delta phi to (-pi,pi) interval | |
719 | dphipartljet [part] = dphipartLJ ; | |
720 | printf("part= %d ; dphi_partLJ = %g \n", part, dphipartLJ ); | |
721 | } | |
722 | ||
723 | ||
724 | //______________________________________________________________________________ | |
725 | // Pt distribution for all particles | |
726 | //______________________________________________________________________________ | |
727 | TH1F * hpt = (TH1F*)fHistos->FindObject("histo11"); | |
728 | if ( hpt ) { for ( Int_t i = 0 ; i < fNPart ; i++ ) { hpt->Fill( fVectParticle[i]->pt ); } } | |
729 | ||
730 | //___________________________________________________________________________ | |
731 | // Recomputing of radius of particles in leading jet | |
732 | //___________________________________________________________________________ | |
733 | if (fDebug) { printf(" Searching particles with jet index %d\n", leadingjetindex); } | |
734 | ||
735 | Double_t ddeta = 0. , ddphi = 0. , rpart = 0. ; | |
736 | ||
737 | for( Int_t j = 0 ; j < partleadjet ; j++ ) | |
738 | { | |
739 | ddeta = etaleadjet - fVectParticle[idxpartLJ[j]]->eta; | |
740 | ||
741 | Double_t phitmp = fVectParticle[idxpartLJ[j]]->phi ; | |
742 | ||
743 | ddphi = TVector2::Phi_mpi_pi ( phileadjet - phitmp ) ; // restrict the delta phi to (-pi,pi) interval | |
744 | ||
745 | rpart = TMath::Hypot (ddeta, ddphi) ; | |
746 | ||
747 | printf ("Particle %d with Re-Computed radius = %f ", idxpartLJ[j], rpart) ; | |
748 | if ( (rpart - fRadius) >= 0.00000001 ) | |
749 | { printf (" bigger than selected radius of %f\n", fRadius ); } | |
750 | else | |
751 | { printf ("\n") ; } | |
752 | ||
753 | if (hR) hR->Fill(rpart); | |
754 | ||
755 | } | |
756 | ||
757 | ||
758 | ||
759 | //_______________________________________________________________________ | |
760 | // Computing of radius that contain 80% of Leading Jet ( PT and multiplicity ) | |
761 | //_______________________________________________________________________ | |
762 | Double_t corepartleadjet = 0.8 * partleadjet ; | |
763 | Double_t coreptleadjet = 0.8 * ptleadjet ; | |
764 | Int_t countercorepart = 0 ; | |
765 | Double_t countercorept = 0. ; | |
766 | Int_t sortedindex = -1 ; | |
767 | ||
768 | TProfile * hprof24 = (TProfile*)fHistos->FindObject("histo24"); | |
769 | TProfile * hprof25 = (TProfile*)fHistos->FindObject("histo25"); | |
770 | ||
771 | TProfile * hprof26 = (TProfile*)fHistos->FindObject("histo26"); | |
772 | TProfile * hprof27 = (TProfile*)fHistos->FindObject("histo27"); | |
773 | TProfile * hprof28 = (TProfile*)fHistos->FindObject("histo28"); | |
774 | TProfile * hprof29 = (TProfile*)fHistos->FindObject("histo29"); | |
775 | ||
776 | ||
777 | if ((hprof24) && (hprof25) && (hprof26) && (hprof27) && (hprof28) && (hprof29) ) | |
778 | { | |
779 | for( Int_t part = 0 ; part < fNPart ; part++ ) | |
780 | { | |
781 | Double_t pttmp = 0. ; Double_t etatmp = 0. ; Double_t phitmp = 0. ; // temporary variables | |
782 | Double_t dpart = 0. ; | |
783 | sortedindex = fIdxArray[part] ; | |
784 | ||
785 | if ( fVectParticle [ sortedindex ]->njet == leadingjetindex ) | |
786 | { | |
787 | pttmp = fVectParticle[sortedindex]->pt ; | |
788 | etatmp = fVectParticle[sortedindex]->eta ; | |
789 | phitmp = fVectParticle[sortedindex]->phi ; | |
790 | ||
791 | ++countercorepart ; | |
792 | countercorept += pttmp ; | |
793 | ||
794 | dpart = TMath::Hypot ( etaleadjet - etatmp, TVector2::Phi_mpi_pi (phileadjet - phitmp) ) ; | |
795 | ||
796 | if ( countercorepart <= corepartleadjet ) { hprof24->Fill(ptleadjet, dpart); } | |
797 | if ( countercorept <= coreptleadjet ) { hprof25->Fill(ptleadjet, dpart); } | |
798 | ||
799 | if (ptleadjet > 5.) { hprof26->Fill(dpart, countercorepart); hprof28->Fill(dpart, countercorept); } | |
800 | if (ptleadjet > 30.) { hprof27->Fill(dpart, countercorepart); hprof29->Fill(dpart, countercorept); } | |
801 | ||
802 | } | |
803 | } | |
804 | } | |
805 | ||
806 | TH1F *hjetpt = (TH1F*)fHistos->FindObject("histo1"); | |
807 | TH1F *hjeteta = (TH1F*)fHistos->FindObject("histo2"); | |
808 | TH1F *hjetphi = (TH1F*)fHistos->FindObject("histo3"); | |
809 | TH1F *hjetnjet = (TH1F*)fHistos->FindObject("histo4"); | |
810 | ||
811 | for( Int_t jet = 0 ; jet < fNJets ; jet++ ) | |
812 | { | |
813 | if (hjetpt) hjetpt ->Fill ( fVectJet[jet]->pt ) ; | |
814 | if (hjeteta) hjeteta ->Fill ( fVectJet[jet]->eta ) ; | |
815 | if (hjetphi) hjetphi ->Fill ( fVectJet[jet]->phi ) ; | |
816 | if (hjetnjet) hjetnjet ->Fill ( fVectJet[jet]->njet ) ; | |
817 | } | |
818 | ||
819 | TH1F *hjets = (TH1F*)fHistos->FindObject("histo5"); | |
820 | if (hjets) hjets->Fill(fNJets); | |
821 | ||
822 | TH1F *hleadpart = (TH1F*)fHistos->FindObject("histo6"); | |
823 | if (hleadpart) hleadpart->Fill(partleadjet); | |
824 | ||
825 | TProfile * hprof = (TProfile*)fHistos->FindObject("histo7"); | |
826 | if (hprof) hprof->Fill(ptleadjet,partleadjet); | |
827 | ||
828 | TH1F *hMD = (TH1F*)fHistos->FindObject("histo8"); | |
829 | for( Int_t k = 0 ; k < partleadjet ; k++) | |
830 | { hMD->Fill( zpartljet[k] ); } | |
831 | ||
832 | TProfile * hphi = (TProfile*)fHistos->FindObject("histo9"); | |
833 | for( Int_t k = 0 ; k < partleadjet ; k++) | |
834 | { hphi->Fill( TMath::RadToDeg() * dphipartljet [k] , fNPart ) ; } | |
835 | ||
836 | TProfile * htpd = (TProfile*)fHistos->FindObject("histo10"); | |
837 | for( Int_t k = 0 ; k < fNPart ; k++) | |
838 | { htpd->Fill( TMath::RadToDeg() * dphipartljet [k] , ptsumevent ) ; } | |
839 | ||
840 | ||
841 | TProfile * hprof1 = (TProfile*)fHistos->FindObject("histo21"); | |
842 | if (hprof1) hprof1->Fill(ptleadjet, fNPart); | |
843 | ||
844 | TProfile * hprof2 = (TProfile*)fHistos->FindObject("histo22"); | |
845 | if (hprof2) hprof2->Fill(ptleadjet, ptsumevent); | |
846 | ||
847 | TProfile * hprof1toward = (TProfile*)fHistos->FindObject("histo21_toward"); | |
848 | TProfile * hprof1transverse = (TProfile*)fHistos->FindObject("histo21_transverse"); | |
849 | TProfile * hprof1away = (TProfile*)fHistos->FindObject("histo21_away"); | |
850 | TProfile * hprof2toward = (TProfile*)fHistos->FindObject("histo22_toward"); | |
851 | TProfile * hprof2transverse = (TProfile*)fHistos->FindObject("histo22_transverse"); | |
852 | TProfile * hprof2away = (TProfile*)fHistos->FindObject("histo22_away"); | |
853 | TH1F * hpttoward = (TH1F*)fHistos->FindObject("histo23_toward"); | |
854 | TH1F * hpttransverse = (TH1F*)fHistos->FindObject("histo23_transverse"); | |
855 | TH1F * hptaway = (TH1F*)fHistos->FindObject("histo23_away"); | |
856 | ||
857 | if ( (hprof1toward) && (hprof1transverse) && (hprof1away) && (hprof2toward) && (hprof2transverse) && (hprof2away) ) | |
858 | { | |
859 | for( Int_t part = 0 ; part < fNPart ; part++) | |
860 | { | |
861 | Double_t ptpart = fVectParticle[part]->pt ; // pt of particle | |
862 | if ( ( dphipartljet[part] >=0.) && ( dphipartljet[part] < kPI/3. ) ) | |
863 | { | |
864 | hprof1toward->Fill( ptleadjet, fNPart ); | |
865 | hprof2toward->Fill( ptleadjet, ptsumevent); | |
866 | hpttoward->Fill( ptpart ); | |
867 | } | |
868 | else | |
869 | if ( ( dphipartljet[part] >= (kPI/3.)) && ( dphipartljet[part] < (2.*kPI/3.)) ) | |
870 | { | |
871 | hprof1transverse->Fill( ptleadjet, fNPart ); | |
872 | hprof2transverse->Fill( ptleadjet, ptsumevent); | |
873 | hpttransverse->Fill( ptpart ); | |
874 | } | |
875 | else | |
876 | if ( ( dphipartljet[part] >= ( 2.*kPI/3.)) && ( dphipartljet[part] < kPI ) ) | |
877 | { | |
878 | hprof1away->Fill( ptleadjet, fNPart ); | |
879 | hprof2away->Fill( ptleadjet, ptsumevent); | |
880 | hptaway->Fill( ptpart ); | |
881 | } | |
882 | } | |
883 | } | |
884 | ||
885 | } | |
886 | ||
887 | ||
888 | //______________________________________________________________________________ | |
889 | void AliCdfJetFinder::Clean() | |
890 | { | |
891 | // CLEANING SECTION | |
892 | delete [] fVectParticle; | |
893 | delete [] fVectJet; | |
894 | delete [] fPtArray; | |
895 | delete [] fIdxArray; | |
896 | ||
897 | Reset(); | |
898 | } | |
899 | ||
900 | //______________________________________________________________________________ | |
901 | void AliCdfJetFinder::FinishRun() | |
902 | { | |
903 | // do i need this? | |
904 | } | |
905 |