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1c5acb87 | 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 | **************************************************************************/ | |
1c5acb87 | 15 | |
16 | //_________________________________________________________________________ | |
17 | // Class that contains methods to select candidate pairs to neutral meson | |
18 | // 2 main selections, invariant mass around pi0 (also any other mass), | |
19 | // apperture angle to distinguish from combinatorial. | |
20 | //-- Author: Gustavo Conesa (INFN-LNF) | |
21 | ||
22 | // --- ROOT system --- | |
23 | #include <TLorentzVector.h> | |
24 | #include <TH2.h> | |
25 | #include <TList.h> | |
3f150b4b | 26 | #include <TString.h> |
27 | ||
1c5acb87 | 28 | //---- AliRoot system ---- |
29 | #include "AliNeutralMesonSelection.h" | |
1c5acb87 | 30 | |
31 | ClassImp(AliNeutralMesonSelection) | |
32 | ||
33 | ||
b960c7eb | 34 | //______________________________________________________ |
1c5acb87 | 35 | AliNeutralMesonSelection::AliNeutralMesonSelection() : |
3f150b4b | 36 | TObject(), fAsymmetryCut(1), |
37 | fUseAsymmetryCut(0), fM(0), | |
38 | fInvMassMaxCut(0.), fInvMassMinCut(0.), | |
39 | fLeftBandMinCut(0.), fLeftBandMaxCut(0.), | |
40 | fRightBandMinCut(0.), fRightBandMaxCut(0.), | |
41 | fAngleMaxParam(), fUseAngleCut(0), | |
a39c9b1b | 42 | fKeepNeutralMesonHistos(0), |
43 | fParticle(""), fDecayBit(0), | |
44 | // histograms | |
3f150b4b | 45 | fhAnglePairNoCut(0), fhAnglePairOpeningAngleCut(0), |
46 | fhAnglePairAsymmetryCut(0), fhAnglePairAllCut(0), | |
47 | fhInvMassPairNoCut(0), fhInvMassPairOpeningAngleCut(0), | |
48 | fhInvMassPairAsymmetryCut(0), fhInvMassPairAllCut(0), | |
49 | fhAsymmetryNoCut(0), fhAsymmetryOpeningAngleCut(0), | |
50 | fhAsymmetryAllCut(0), | |
51 | // histogram ranges and bins | |
9542ac75 | 52 | fHistoNEBins(0), fHistoEMax(0.), fHistoEMin(0.), |
9542ac75 | 53 | fHistoNAngleBins(0), fHistoAngleMax(0.), fHistoAngleMin(0.), |
54 | fHistoNIMBins(0), fHistoIMMax(0.), fHistoIMMin(0.) | |
477d6cee | 55 | { |
1c5acb87 | 56 | //Default Ctor |
57 | ||
1c5acb87 | 58 | //Initialize parameters |
59 | InitParameters(); | |
60 | } | |
1c5acb87 | 61 | |
b960c7eb | 62 | //_________________________________________________________ |
1c5acb87 | 63 | TList * AliNeutralMesonSelection::GetCreateOutputObjects() |
64 | { | |
477d6cee | 65 | // Create histograms to be saved in output file and |
66 | // store them in outputContainer of the analysis class that calls this class. | |
67 | ||
68 | TList * outputContainer = new TList() ; | |
69 | outputContainer->SetName("MesonDecayHistos") ; | |
9542ac75 | 70 | |
fad7739b | 71 | if(fKeepNeutralMesonHistos){ |
72 | ||
73 | outputContainer->SetOwner(kFALSE); | |
74 | ||
75 | fhAnglePairNoCut = new TH2F | |
76 | ("AnglePairNoCut", | |
77 | "Angle between all #gamma pair vs E_{#pi^{0}}",fHistoNEBins,fHistoEMin,fHistoEMax,fHistoNAngleBins,fHistoAngleMin,fHistoAngleMax); | |
78 | fhAnglePairNoCut->SetYTitle("Angle (rad)"); | |
79 | fhAnglePairNoCut->SetXTitle("E_{ #pi^{0}} (GeV)"); | |
9542ac75 | 80 | |
81 | fhAsymmetryNoCut = new TH2F | |
82 | ("AsymmetryNoCut","Asymmetry of all #gamma pair vs E_{#pi^{0}}", | |
3bfcb597 | 83 | fHistoNEBins,fHistoEMin,fHistoEMax,100,0,1); |
9542ac75 | 84 | fhAsymmetryNoCut->SetYTitle("Asymmetry"); |
85 | fhAsymmetryNoCut->SetXTitle("E_{ #pi^{0}} (GeV)"); | |
86 | ||
87 | fhInvMassPairNoCut = new TH2F | |
88 | ("InvMassPairNoCut","Invariant Mass of all #gamma pair vs E_{#pi^{0}}", | |
3bfcb597 | 89 | fHistoNEBins,fHistoEMin,fHistoEMax,fHistoNIMBins,fHistoIMMin,fHistoIMMax); |
9542ac75 | 90 | fhInvMassPairNoCut->SetYTitle("Invariant Mass (GeV/c^{2})"); |
91 | fhInvMassPairNoCut->SetXTitle("E_{ #pi^{0}} (GeV)"); | |
92 | ||
93 | outputContainer->Add(fhAnglePairNoCut) ; | |
94 | outputContainer->Add(fhAsymmetryNoCut) ; | |
95 | outputContainer->Add(fhInvMassPairNoCut) ; | |
96 | ||
97 | if(fUseAngleCut) { | |
98 | fhAnglePairOpeningAngleCut = new TH2F | |
99 | ("AnglePairOpeningAngleCut", | |
100 | "Angle between all #gamma pair (opening angle) vs E_{#pi^{0}}" | |
101 | ,fHistoNEBins,fHistoEMin,fHistoEMax,fHistoNAngleBins,fHistoAngleMin,fHistoAngleMax); | |
102 | fhAnglePairOpeningAngleCut->SetYTitle("Angle (rad)"); | |
103 | fhAnglePairOpeningAngleCut->SetXTitle("E_{ #pi^{0}} (GeV)"); | |
104 | ||
105 | fhAsymmetryOpeningAngleCut = new TH2F | |
106 | ("AsymmetryOpeningAngleCut", | |
107 | "Asymmetry of #gamma pair (angle cut) vs E_{#pi^{0}}", | |
3bfcb597 | 108 | fHistoNEBins,fHistoEMin,fHistoEMax,100,0,1); |
9542ac75 | 109 | fhAsymmetryOpeningAngleCut->SetYTitle("Asymmetry"); |
110 | fhAsymmetryOpeningAngleCut->SetXTitle(" E_{#pi^{0}}(GeV)"); | |
111 | ||
112 | fhInvMassPairOpeningAngleCut = new TH2F | |
113 | ("InvMassPairOpeningAngleCut", | |
114 | "Invariant Mass of #gamma pair (angle cut) vs E_{#pi^{0}}", | |
3bfcb597 | 115 | fHistoNEBins,fHistoEMin,fHistoEMax,fHistoNIMBins,fHistoIMMin,fHistoIMMax); |
9542ac75 | 116 | fhInvMassPairOpeningAngleCut->SetYTitle("Invariant Mass (GeV/c^{2})"); |
117 | fhInvMassPairOpeningAngleCut->SetXTitle(" E_{#pi^{0}}(GeV)"); | |
118 | ||
119 | outputContainer->Add(fhAnglePairOpeningAngleCut) ; | |
120 | outputContainer->Add(fhAsymmetryOpeningAngleCut) ; | |
121 | outputContainer->Add(fhInvMassPairOpeningAngleCut) ; | |
122 | } | |
123 | ||
124 | if(fUseAsymmetryCut) { | |
125 | fhAnglePairAsymmetryCut = new TH2F | |
126 | ("AnglePairAsymmetryCut", | |
127 | "Angle between all #gamma pair (opening angle + asymetry cut) vs E_{#pi^{0}}" | |
128 | ,fHistoNEBins,fHistoEMin,fHistoEMax,fHistoNAngleBins,fHistoAngleMin,fHistoAngleMax); | |
129 | fhAnglePairAsymmetryCut->SetYTitle("Angle (rad)"); | |
130 | fhAnglePairAsymmetryCut->SetXTitle("E_{ #pi^{0}} (GeV)"); | |
131 | ||
132 | fhInvMassPairAsymmetryCut = new TH2F | |
133 | ("InvMassPairAsymmetryCut", | |
134 | "Invariant Mass of #gamma pair (opening angle + asymmetry) vs E_{#pi^{0}}", | |
3bfcb597 | 135 | fHistoNEBins,fHistoEMin,fHistoEMax,fHistoNIMBins,fHistoIMMin,fHistoIMMax); |
9542ac75 | 136 | fhInvMassPairAsymmetryCut->SetYTitle("Invariant Mass (GeV/c^{2})"); |
137 | fhInvMassPairAsymmetryCut->SetXTitle("E_{#pi^{0}}(GeV)"); | |
138 | ||
139 | outputContainer->Add(fhAnglePairAsymmetryCut) ; | |
140 | outputContainer->Add(fhInvMassPairAsymmetryCut) ; | |
141 | ||
142 | } | |
143 | ||
fad7739b | 144 | fhAnglePairAllCut = new TH2F |
145 | ("AnglePairAllCut", | |
9542ac75 | 146 | "Angle between all #gamma pair (opening angle + asymmetry + inv mass cut) vs E_{#pi^{0}}" |
fad7739b | 147 | ,fHistoNEBins,fHistoEMin,fHistoEMax,fHistoNAngleBins,fHistoAngleMin,fHistoAngleMax); |
148 | fhAnglePairAllCut->SetYTitle("Angle (rad)"); | |
149 | fhAnglePairAllCut->SetXTitle("E_{ #pi^{0}} (GeV)"); | |
9542ac75 | 150 | |
fad7739b | 151 | fhInvMassPairAllCut = new TH2F |
152 | ("InvMassPairAllCut", | |
9542ac75 | 153 | "Invariant Mass of #gamma pair (opening angle + asymmetry + invmass cut) vs E_{#pi^{0}}", |
3bfcb597 | 154 | fHistoNEBins,fHistoEMin,fHistoEMax,fHistoNIMBins,fHistoIMMin,fHistoIMMax); |
fad7739b | 155 | fhInvMassPairAllCut->SetYTitle("Invariant Mass (GeV/c^{2})"); |
156 | fhInvMassPairAllCut->SetXTitle("E_{#pi^{0}}(GeV)"); | |
157 | ||
9542ac75 | 158 | fhAsymmetryAllCut = new TH2F |
159 | ("AsymmetryAllCut", | |
160 | "Asymmetry of #gamma pair (opening angle+invmass cut) vs E_{#pi^{0}}", | |
3bfcb597 | 161 | fHistoNEBins,fHistoEMin,fHistoEMax,100,0,1); |
9542ac75 | 162 | fhAsymmetryAllCut->SetYTitle("Asymmetry"); |
163 | fhAsymmetryAllCut->SetXTitle("E_{#pi^{0}}(GeV)"); | |
164 | ||
165 | outputContainer->Add(fhAnglePairAllCut) ; | |
166 | outputContainer->Add(fhAsymmetryAllCut) ; | |
167 | outputContainer->Add(fhInvMassPairAllCut) ; | |
168 | ||
fad7739b | 169 | } |
9542ac75 | 170 | |
477d6cee | 171 | return outputContainer; |
9542ac75 | 172 | |
1c5acb87 | 173 | } |
174 | ||
b960c7eb | 175 | //_____________________________________________ |
1c5acb87 | 176 | void AliNeutralMesonSelection::InitParameters() |
177 | { | |
477d6cee | 178 | |
1c5acb87 | 179 | //Initialize the parameters of the analysis. |
1c5acb87 | 180 | fAngleMaxParam.Set(4) ; |
9542ac75 | 181 | fAngleMaxParam.Reset(0.); |
1c5acb87 | 182 | |
3bfcb597 | 183 | SetParticle("Pi0"); |
1c5acb87 | 184 | |
3bfcb597 | 185 | //Histogrammes settings |
186 | fHistoNEBins = 200 ; | |
187 | fHistoEMax = 50 ; | |
a5fb4114 | 188 | fHistoEMin = 0. ; |
1c5acb87 | 189 | |
3bfcb597 | 190 | fHistoNAngleBins = 200 ; |
191 | fHistoAngleMax = 0.5 ; | |
1c5acb87 | 192 | fHistoAngleMin = 0. ; |
193 | ||
1c5acb87 | 194 | } |
195 | ||
8a2dbbff | 196 | //______________________________________________________________________________ |
197 | Bool_t AliNeutralMesonSelection::IsAngleInWindow(Float_t angle, Float_t e) const | |
a5fb4114 | 198 | { |
199 | ||
200 | // Check if the opening angle of the candidate pairs is inside | |
201 | // our selection window | |
3bfcb597 | 202 | // Attention, only valid for Pi0, if needed for Eta need to revise max angle function or change parameters |
9542ac75 | 203 | |
1c5acb87 | 204 | Double_t max = fAngleMaxParam.At(0)*TMath::Exp(fAngleMaxParam.At(1)*e) |
205 | +fAngleMaxParam.At(2)+fAngleMaxParam.At(3)*e; | |
206 | Double_t arg = (e*e-2*fM*fM)/(e*e); | |
207 | Double_t min = 100. ; | |
208 | if(arg>0.) | |
7287751b | 209 | min = TMath::ACos(arg)+fShiftMinAngle[0]+fShiftMinAngle[1]*e; |
3bfcb597 | 210 | |
9542ac75 | 211 | if((angle<max)&&(angle>=min)) return kTRUE ; |
212 | else return kFALSE ; | |
213 | ||
1c5acb87 | 214 | } |
215 | ||
b960c7eb | 216 | //_________________________________________________________________ |
217 | Bool_t AliNeutralMesonSelection::SelectPair(TLorentzVector gammai, | |
218 | TLorentzVector gammaj, | |
219 | TString calo) | |
1c5acb87 | 220 | { |
221 | ||
222 | //Search for the neutral pion within selection cuts | |
1c5acb87 | 223 | |
9542ac75 | 224 | // Double_t pt = (gammai+gammaj).Pt(); |
1c5acb87 | 225 | Double_t phi = (gammai+gammaj).Phi(); |
226 | if(phi < 0) | |
227 | phi+=TMath::TwoPi(); | |
b960c7eb | 228 | |
1c5acb87 | 229 | Double_t invmass = (gammai+gammaj).M(); |
230 | Double_t angle = gammaj.Angle(gammai.Vect()); | |
231 | Double_t e = (gammai+gammaj).E(); | |
9542ac75 | 232 | Double_t asy = TMath::Abs((gammai-gammaj).E())/(gammai+gammaj).E(); |
233 | ||
1c5acb87 | 234 | //Fill histograms with no cuts applied. |
b960c7eb | 235 | if(fKeepNeutralMesonHistos) |
236 | { | |
fad7739b | 237 | fhAnglePairNoCut ->Fill(e,angle); |
238 | fhInvMassPairNoCut->Fill(e,invmass); | |
9542ac75 | 239 | fhAsymmetryNoCut ->Fill(e,asy); |
fad7739b | 240 | } |
9542ac75 | 241 | |
1c5acb87 | 242 | //Cut on the aperture of the pair |
b960c7eb | 243 | if(fUseAngleCut) |
244 | { | |
245 | if(IsAngleInWindow(angle,e)) | |
246 | { | |
247 | if(fKeepNeutralMesonHistos ) | |
248 | { | |
9542ac75 | 249 | fhAnglePairOpeningAngleCut ->Fill(e,angle); |
250 | fhInvMassPairOpeningAngleCut->Fill(e,invmass); | |
251 | fhAsymmetryOpeningAngleCut ->Fill(e,asy); | |
252 | } | |
253 | //AliDebug(2,Form("Angle cut: pt %f, phi %f",pt,phi)); | |
254 | } else return kFALSE; | |
255 | } | |
256 | ||
257 | // Asymmetry cut | |
b960c7eb | 258 | if(fUseAsymmetryCut) |
259 | { | |
260 | if(fAsymmetryCut > asy) | |
261 | { | |
262 | if(fKeepNeutralMesonHistos) | |
263 | { | |
9542ac75 | 264 | fhInvMassPairAsymmetryCut->Fill(e,invmass); |
265 | fhAnglePairAsymmetryCut ->Fill(e,angle); | |
266 | } | |
267 | } else return kFALSE; | |
268 | } | |
1c5acb87 | 269 | |
9542ac75 | 270 | |
271 | //Cut on the invariant mass of the pair | |
3bfcb597 | 272 | |
273 | Float_t invmassmaxcut = fInvMassMaxCut; | |
80515912 | 274 | Float_t invmassRightBandMinCut = fRightBandMinCut; |
275 | Float_t invmassRightBandMixCut = fRightBandMaxCut; | |
276 | ||
b960c7eb | 277 | if(calo=="EMCAL" && e > 6.) |
278 | { // for EMCAL, pi0s, mass depends strongly with energy for e > 6, loose max cut | |
3bfcb597 | 279 | |
280 | invmassmaxcut = (fInvMassMaxCutParam[0]+fInvMassMaxCut)+fInvMassMaxCutParam[1]*e+fInvMassMaxCutParam[2]*e*e; | |
80515912 | 281 | invmassRightBandMinCut = (fInvMassMaxCutParam[0]+fRightBandMinCut)+fInvMassMaxCutParam[1]*e+fInvMassMaxCutParam[2]*e*e; |
282 | invmassRightBandMixCut = (fInvMassMaxCutParam[0]+fRightBandMaxCut)+fInvMassMaxCutParam[1]*e+fInvMassMaxCutParam[2]*e*e; | |
283 | ||
3bfcb597 | 284 | //printf("e %f, max cut %f, p00 %f,p0 %f,p1 %f,p2 %f\n", |
285 | // e,invmassmaxcut,fInvMassMaxCut,fInvMassMaxCutParam[0],fInvMassMaxCutParam[1],fInvMassMaxCutParam[2]); | |
286 | } | |
287 | ||
3f150b4b | 288 | // normal case, invariant mass selection around pi0/eta peak |
289 | if( !fParticle.Contains("SideBand") ) | |
290 | { | |
291 | if( invmass > fInvMassMinCut && invmass < invmassmaxcut ) | |
292 | { | |
293 | if(fKeepNeutralMesonHistos) | |
294 | { | |
295 | fhInvMassPairAllCut->Fill(e,invmass); | |
296 | fhAnglePairAllCut ->Fill(e,angle); | |
297 | fhAsymmetryAllCut ->Fill(e,asy); | |
298 | } | |
299 | ||
300 | //AliDebug(2,Form("IM cut: pt %f, phi %f",pt,phi)); | |
301 | return kTRUE; | |
302 | ||
303 | }//(invmass>0.125) && (invmass<0.145) | |
304 | else | |
b960c7eb | 305 | { |
3f150b4b | 306 | return kFALSE; |
307 | } | |
308 | }// normal selection | |
309 | ||
310 | else // select a band around pi0/eta | |
311 | { | |
312 | if((invmass > fLeftBandMinCut && invmass < fLeftBandMaxCut ) || | |
80515912 | 313 | (invmass > invmassRightBandMinCut && invmass < invmassRightBandMixCut)) |
3f150b4b | 314 | { |
315 | if(fKeepNeutralMesonHistos) | |
316 | { | |
317 | fhInvMassPairAllCut->Fill(e,invmass); | |
318 | fhAnglePairAllCut ->Fill(e,angle); | |
319 | fhAsymmetryAllCut ->Fill(e,asy); | |
320 | } | |
321 | ||
322 | //AliDebug(2,Form("IM cut: pt %f, phi %f",pt,phi)); | |
323 | return kTRUE; | |
324 | ||
325 | }//(invmass>0.125) && (invmass<0.145) | |
326 | else | |
327 | { | |
328 | return kFALSE; | |
329 | } | |
330 | } | |
1c5acb87 | 331 | |
332 | } | |
333 | ||
b960c7eb | 334 | //_______________________________________________________________ |
335 | void AliNeutralMesonSelection::SetParticle(TString particleName) | |
336 | { | |
3bfcb597 | 337 | // Set some default parameters for selection of pi0 or eta |
3f150b4b | 338 | |
339 | fParticle = particleName ; | |
a39c9b1b | 340 | fDecayBit = kPi0; |
341 | ||
3f150b4b | 342 | if(particleName.Contains("Pi0")) |
b960c7eb | 343 | { |
344 | fHistoNIMBins = 150 ; | |
345 | fHistoIMMax = 0.3 ; | |
346 | fHistoIMMin = 0. ; | |
3bfcb597 | 347 | |
b960c7eb | 348 | fM = 0.135 ; // GeV |
349 | fInvMassMaxCut = 0.16 ; // GeV | |
350 | fInvMassMinCut = 0.11 ; // GeV | |
3bfcb597 | 351 | |
3f150b4b | 352 | fLeftBandMinCut = 0.05 ; // GeV |
353 | fLeftBandMaxCut = 0.09 ; // GeV | |
354 | fRightBandMinCut = 0.160 ; // GeV | |
355 | fRightBandMaxCut = 0.165 ; // GeV | |
356 | ||
3bfcb597 | 357 | fInvMassMaxCutParam[0] = 0.0 ; |
358 | fInvMassMaxCutParam[1] =-7.e-5 ; | |
359 | fInvMassMaxCutParam[2] = 8.e-5 ; | |
360 | ||
b960c7eb | 361 | fShiftMinAngle[0] =-0.03 ; |
362 | fShiftMinAngle[1] = 0.0025; | |
7287751b | 363 | |
364 | fAngleMaxParam.AddAt( 0.8, 0) ; | |
365 | fAngleMaxParam.AddAt(-1, 1) ; | |
366 | fAngleMaxParam.AddAt( 0.09, 2) ; //for pi0 shift, for eta maybe 0.09 | |
367 | fAngleMaxParam.AddAt(-2.e-3,3) ; | |
a39c9b1b | 368 | |
369 | fDecayBit = kPi0; | |
370 | if(particleName.Contains("Side")) fDecayBit = kPi0Side; | |
3bfcb597 | 371 | |
3f150b4b | 372 | } |
373 | else if(particleName.Contains("Eta")) | |
b960c7eb | 374 | { |
375 | fHistoNIMBins = 200 ; // GeV | |
376 | fHistoIMMax = 0.75 ; // GeV | |
377 | fHistoIMMin = 0.35 ; // GeV | |
378 | ||
379 | fM = 0.547 ; // GeV | |
380 | fInvMassMaxCut = 0.590 ; // GeV | |
381 | fInvMassMinCut = 0.510 ; // GeV | |
3bfcb597 | 382 | |
3f150b4b | 383 | fLeftBandMinCut = 0.450 ; // GeV |
384 | fLeftBandMaxCut = 0.500 ; // GeV | |
385 | fRightBandMinCut = 0.600 ; // GeV | |
386 | fRightBandMaxCut = 0.650 ; // GeV | |
7287751b | 387 | |
3f150b4b | 388 | fInvMassMaxCutParam[0] = 0.00 ; |
389 | fInvMassMaxCutParam[1] = 0.00 ; | |
390 | fInvMassMaxCutParam[2] = 0.00 ; | |
391 | ||
392 | fShiftMinAngle[0] =-0.03 ; | |
393 | fShiftMinAngle[0] = 0.00 ; | |
3bfcb597 | 394 | |
7287751b | 395 | fAngleMaxParam.AddAt( 0.80, 0) ; // Same as pi0 |
396 | fAngleMaxParam.AddAt(-0.25, 1) ; // Same as pi0 | |
a39c9b1b | 397 | fAngleMaxParam.AddAt( 0.12, 2) ; // Shifted with respect to pi0 |
7287751b | 398 | fAngleMaxParam.AddAt(-5.e-4, 3) ; // Same as pi0 |
3bfcb597 | 399 | |
a39c9b1b | 400 | fDecayBit = kEta; |
401 | if(particleName.Contains("Side")) fDecayBit = kEtaSide; | |
3bfcb597 | 402 | } |
403 | else | |
404 | printf("AliAnaNeutralMesonSelection::SetParticle(%s) *** Particle NOT defined (Pi0 or Eta), Pi0 settings by default *** \n",particleName.Data()); | |
405 | ||
3bfcb597 | 406 | } |
407 | ||
b960c7eb | 408 | //______________________________________________________________ |
1c5acb87 | 409 | void AliNeutralMesonSelection::Print(const Option_t * opt) const |
410 | { | |
411 | ||
412 | //Print some relevant parameters set for the analysis | |
413 | if(! opt) | |
414 | return; | |
415 | ||
a3aebfff | 416 | printf("**** Print %s %s ****\n", GetName(), GetTitle() ) ; |
1c5acb87 | 417 | |
a39c9b1b | 418 | printf("Particle %s, bit %d, mass : %f \n", fParticle.Data(), fDecayBit, fM ); |
1c5acb87 | 419 | printf("Invariant mass limits : %f < m < %f \n", fInvMassMinCut , fInvMassMinCut ); |
9542ac75 | 420 | |
421 | printf("Use asymmetry cut? : %d ; A < %f \n", fUseAngleCut, fAsymmetryCut ); | |
422 | ||
423 | printf("Use angle cut? : %d \n", fUseAngleCut ); | |
3f150b4b | 424 | if(fUseAngleCut) |
425 | { | |
9542ac75 | 426 | printf("Angle selection param: \n"); |
427 | printf("p0 : %f\n", fAngleMaxParam.At(0)); | |
428 | printf("p1 : %f\n", fAngleMaxParam.At(1)); | |
429 | printf("p2 : %f\n", fAngleMaxParam.At(2)); | |
430 | printf("p3 : %f\n", fAngleMaxParam.At(3)); | |
7287751b | 431 | printf("Min angle shift : p0 = %1.3f, p1 = %1.3f,\n", fShiftMinAngle[0],fShiftMinAngle[1]); |
9542ac75 | 432 | } |
433 | ||
1c5acb87 | 434 | printf("Keep Neutral Meson Histos = %d\n",fKeepNeutralMesonHistos); |
435 | ||
3f150b4b | 436 | if(fKeepNeutralMesonHistos) |
437 | { | |
a5fb4114 | 438 | printf("Histograms: %3.1f < E < %3.1f, Nbin = %d\n", fHistoEMin, fHistoEMax, fHistoNEBins); |
477d6cee | 439 | printf("Histograms: %3.1f < angle < %3.1f, Nbin = %d\n", fHistoAngleMin, fHistoAngleMax, fHistoNAngleBins); |
3bfcb597 | 440 | printf("Histograms: %3.1f < IM < %3.1f, Nbin = %d\n", fHistoIMMin, fHistoIMMax, fHistoNIMBins); |
1c5acb87 | 441 | } |
477d6cee | 442 | |
1c5acb87 | 443 | } |