| 45b90328 |
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 | /* $Id: AliAnalysisTaskLukeV0.cxx 46301 2011-01-06 14:25:27Z agheata $ */ |
| 17 | |
| 18 | /* AliAnalysisTaskLukeV0.cxx |
| 19 | * |
| 20 | * Task analysing lambda, antilambda & K0 spectra |
| 21 | * |
| 22 | * Based on tutorial example from offline pages |
| 23 | * Edited by Arvinder Palaha |
| 24 | * Adapted by Luke Hanratty |
| 25 | * |
| 26 | */ |
| 27 | |
| 28 | #include "AliAnalysisTaskLukeV0.h" |
| 29 | |
| 30 | #include "Riostream.h" |
| 31 | #include "TChain.h" |
| 32 | #include "TTree.h" |
| 33 | #include "TH1F.h" |
| 34 | #include "TH2F.h" |
| 35 | #include "TCanvas.h" |
| 36 | #include "TList.h" |
| 37 | #include "TPDGCode.h" |
| 38 | |
| 39 | #include "AliAnalysisTaskSE.h" |
| 40 | #include "AliAnalysisManager.h" |
| 41 | #include "AliStack.h" |
| 42 | #include "AliESDtrackCuts.h" |
| 43 | #include "AliESDEvent.h" |
| 44 | #include "AliESDv0.h" |
| 45 | #include "AliESDInputHandler.h" |
| 46 | #include "AliAODEvent.h" |
| 47 | #include "AliMCEvent.h" |
| 48 | #include "AliMCVertex.h" |
| 49 | #include "AliPID.h" |
| 50 | #include "AliPIDResponse.h" |
| 51 | |
| 52 | ClassImp(AliAnalysisTaskLukeV0) |
| 53 | |
| 54 | //________________________________________________________________________ |
| 55 | AliAnalysisTaskLukeV0::AliAnalysisTaskLukeV0() // All data members should be initialised here |
| 56 | :AliAnalysisTaskSE(), |
| 57 | fOutputList(0), |
| 58 | fTrackCuts(0), |
| 59 | fPIDResponse(0), |
| 60 | fHistPt(0), |
| 61 | fHistEta(0), |
| 62 | fHistLuke(0), |
| 63 | fHistBetaV0(0), |
| 64 | fHistCosPA(0), |
| 65 | fHistCosTheta(0), |
| 66 | fHistCosThetaPi2(0), |
| 67 | fHistCosThetaProton2(0), |
| 68 | fHistDCAV0Daughters(0), |
| 69 | fHistDecayL(0), |
| 70 | fHistDecayLxy(0), |
| 71 | fHistDeltaTheta(0), |
| 72 | fHistdNV0sdT2(0), |
| 73 | fHistEtaNTracks(0), |
| 74 | fHistEtaPTracks(0), |
| 75 | fHistEtaV0s(0), |
| 76 | fHistImpactxyN(0), |
| 77 | fHistImpactzN(0), |
| 78 | fHistImpactxyP(0), |
| 79 | fHistImpactzP(0), |
| 80 | fHistKinkIndexFalse(0), |
| 81 | fHistKinkIndexTrue(0), |
| 82 | fHistLambdaBgRapidity(0), |
| 83 | fHistLambdaBgEta(0), |
| 84 | fHistLambdaBgPt(0), |
| 85 | fHistLambdaSigRapidity(0), |
| 86 | fHistLambdaSigEta(0), |
| 87 | fHistLambdaSigPt(0), |
| 88 | fHistMagneticField(0), |
| 89 | fHistMcLog(0), |
| 90 | fHistMcNLambdaPrimary(0), |
| 91 | fHistMcNLambda(0), |
| 92 | fHistMcNAntilambda(0), |
| 93 | fHistMcNKshort(0), |
| 94 | fHistMcPtV0La(0), |
| 95 | fHistMcPtV0Lb(0), |
| 96 | fHistMcPtV0K0(0), |
| 97 | fHistMcSigmaPProton(0), |
| 98 | fHistMcSigmaPNProton(0), |
| 99 | fHistMcSLambdaEta(0), |
| 100 | fHistMcSLambdaDaughter(0), |
| 101 | fHistMcSLambdaPt(0), |
| 102 | fHistMcTPCTrackLength(0), |
| 103 | fHistMK0(0), |
| 104 | fHistMK00(0), |
| 105 | fHistMK01(0), |
| 106 | fHistMK02(0), |
| 107 | fHistMK03(0), |
| 108 | fHistMK04(0), |
| 109 | fHistMK05(0), |
| 110 | fHistMK06(0), |
| 111 | fHistMK07(0), |
| 112 | fHistMK08(0), |
| 113 | fHistMK09(0), |
| 114 | fHistMLa(0), |
| 115 | fHistMLa0(0), |
| 116 | fHistMLa1(0), |
| 117 | fHistMLa2(0), |
| 118 | fHistMLa3(0), |
| 119 | fHistMLa4(0), |
| 120 | fHistMLa5(0), |
| 121 | fHistMLa6(0), |
| 122 | fHistMLa7(0), |
| 123 | fHistMLa8(0), |
| 124 | fHistMLa9(0), |
| 125 | fHistMLb(0), |
| 126 | fHistMLb0(0), |
| 127 | fHistMLb1(0), |
| 128 | fHistMLb2(0), |
| 129 | fHistMLb3(0), |
| 130 | fHistMLb4(0), |
| 131 | fHistMLb5(0), |
| 132 | fHistMLb6(0), |
| 133 | fHistMLb7(0), |
| 134 | fHistMLb8(0), |
| 135 | fHistMLb9(0), |
| 136 | fHistNLambda(0), |
| 137 | fHistNV0(0), |
| 138 | fHistNTracks(0), |
| 139 | fHistPtV0(0), |
| 140 | fHistPVZ(0), |
| 141 | fHistTauLa(0), |
| 142 | fHistTheta(0), |
| 143 | fHistThetaPi2(0), |
| 144 | fHistThetaProton2(0), |
| 145 | fHistV0Z(0), |
| 146 | fHistZ(0), |
| 147 | fHistBetaERatio(0), |
| 148 | fHistBetaPRatio(0), |
| 149 | fHistBetaPXRatio(0), |
| 150 | fHistBetheBlochITSNeg(0), |
| 151 | fHistBetheBlochITSPos(0), |
| 152 | fHistBetheBlochTPCNeg(0), |
| 153 | fHistBetheBlochTPCPos(0), |
| 154 | fHistCosPAMLa(0), |
| 155 | fHistDCAPtPSig(0), |
| 156 | fHistDCAPtPBg(0), |
| 157 | fHistDCAPtPbarSig(0), |
| 158 | fHistDCAPtPbarBg(0), |
| 159 | fHistDecayLDCA(0), |
| 160 | fHistDecayLMLa(0), |
| 161 | fHistDeltaThetaMLa(0), |
| 162 | fHistImpactxyImpactz(0), |
| 163 | fHistImpactxyMLa(0), |
| 164 | fHistImpactzMLa(0), |
| 165 | fHistMcLamdaPProductionVertex(0), |
| 166 | fHistMcLamdaSProductionVertex(0), |
| 167 | fHistMcLamdaSDecayVertex(0), |
| 168 | fHistMcPMK0Pt(0), |
| 169 | fHistMcPMLaPt(0), |
| 170 | fHistMcPMLbPt(0), |
| 171 | fHistMcSLambdaDaughterPairs(0), |
| 172 | fHistMcV0MK0Pt(0), |
| 173 | fHistMcV0MLaPt(0), |
| 174 | fHistMcV0MLbPt(0), |
| 175 | fHistMcV0LamdaSProductionVertex(0), |
| 176 | fHistMcV0IDLamdaSProductionVertex(0), |
| 177 | fHistMK0PtArm(0), |
| 178 | fHistMK0Pt(0), |
| 179 | fHistMK0R(0), |
| 180 | fHistMLaPtArm(0), |
| 181 | fHistMLaPt(0), |
| 182 | fHistMLaR(0), |
| 183 | fHistMLbPtArm(0), |
| 184 | fHistMLbPt(0), |
| 185 | fHistMLbR(0), |
| 186 | fHistNegChi2PerClusterMLa(0), |
| 187 | fHistNegTPCRefitMLa(0), |
| 188 | fHistNTPCNegClustersMLa(0), |
| 189 | fHistNTPCPosClustersMLa(0), |
| 190 | fHistNV0sNTracks(0), |
| 191 | fHistPosChi2PerClusterMLa(0), |
| 192 | fHistPosTPCRefitMLa(0), |
| 193 | fHistPtArm(0), |
| 194 | fHistPtArmR(0), |
| 195 | fHistPtV0Z(0), |
| 196 | fHistRZ(0), |
| 197 | fHistTauLaMLa(0), |
| 198 | fHistXZ(0), |
| 199 | fHistYZ(0) // The last in the above list should not have a comma after it |
| 200 | { |
| 201 | // Dummy constructor ALWAYS needed for I/O. |
| 202 | } |
| 203 | |
| 204 | //________________________________________________________________________ |
| 205 | AliAnalysisTaskLukeV0::AliAnalysisTaskLukeV0(const char *name) // All data members should be initialised here |
| 206 | :AliAnalysisTaskSE(name), |
| 207 | fOutputList(0), |
| 208 | fTrackCuts(0), |
| 209 | fPIDResponse(0), |
| 210 | fHistPt(0), |
| 211 | fHistEta(0), |
| 212 | fHistLuke(0), |
| 213 | fHistBetaV0(0), |
| 214 | fHistCosPA(0), |
| 215 | fHistCosTheta(0), |
| 216 | fHistCosThetaPi2(0), |
| 217 | fHistCosThetaProton2(0), |
| 218 | fHistDCAV0Daughters(0), |
| 219 | fHistDecayL(0), |
| 220 | fHistDecayLxy(0), |
| 221 | fHistDeltaTheta(0), |
| 222 | fHistdNV0sdT2(0), |
| 223 | fHistEtaNTracks(0), |
| 224 | fHistEtaPTracks(0), |
| 225 | fHistEtaV0s(0), |
| 226 | fHistImpactxyN(0), |
| 227 | fHistImpactzN(0), |
| 228 | fHistImpactxyP(0), |
| 229 | fHistImpactzP(0), |
| 230 | fHistKinkIndexFalse(0), |
| 231 | fHistKinkIndexTrue(0), |
| 232 | fHistLambdaBgRapidity(0), |
| 233 | fHistLambdaBgEta(0), |
| 234 | fHistLambdaBgPt(0), |
| 235 | fHistLambdaSigRapidity(0), |
| 236 | fHistLambdaSigEta(0), |
| 237 | fHistLambdaSigPt(0), |
| 238 | fHistMagneticField(0), |
| 239 | fHistMcLog(0), |
| 240 | fHistMcNLambdaPrimary(0), |
| 241 | fHistMcNLambda(0), |
| 242 | fHistMcNAntilambda(0), |
| 243 | fHistMcNKshort(0), |
| 244 | fHistMcPtV0La(0), |
| 245 | fHistMcPtV0Lb(0), |
| 246 | fHistMcPtV0K0(0), |
| 247 | fHistMcSigmaPProton(0), |
| 248 | fHistMcSigmaPNProton(0), |
| 249 | fHistMcSLambdaEta(0), |
| 250 | fHistMcSLambdaDaughter(0), |
| 251 | fHistMcSLambdaPt(0), |
| 252 | fHistMcTPCTrackLength(0), |
| 253 | fHistMK0(0), |
| 254 | fHistMK00(0), |
| 255 | fHistMK01(0), |
| 256 | fHistMK02(0), |
| 257 | fHistMK03(0), |
| 258 | fHistMK04(0), |
| 259 | fHistMK05(0), |
| 260 | fHistMK06(0), |
| 261 | fHistMK07(0), |
| 262 | fHistMK08(0), |
| 263 | fHistMK09(0), |
| 264 | fHistMLa(0), |
| 265 | fHistMLa0(0), |
| 266 | fHistMLa1(0), |
| 267 | fHistMLa2(0), |
| 268 | fHistMLa3(0), |
| 269 | fHistMLa4(0), |
| 270 | fHistMLa5(0), |
| 271 | fHistMLa6(0), |
| 272 | fHistMLa7(0), |
| 273 | fHistMLa8(0), |
| 274 | fHistMLa9(0), |
| 275 | fHistMLb(0), |
| 276 | fHistMLb0(0), |
| 277 | fHistMLb1(0), |
| 278 | fHistMLb2(0), |
| 279 | fHistMLb3(0), |
| 280 | fHistMLb4(0), |
| 281 | fHistMLb5(0), |
| 282 | fHistMLb6(0), |
| 283 | fHistMLb7(0), |
| 284 | fHistMLb8(0), |
| 285 | fHistMLb9(0), |
| 286 | fHistNLambda(0), |
| 287 | fHistNV0(0), |
| 288 | fHistNTracks(0), |
| 289 | fHistPtV0(0), |
| 290 | fHistPVZ(0), |
| 291 | fHistTauLa(0), |
| 292 | fHistTheta(0), |
| 293 | fHistThetaPi2(0), |
| 294 | fHistThetaProton2(0), |
| 295 | fHistV0Z(0), |
| 296 | fHistZ(0), |
| 297 | fHistBetaERatio(0), |
| 298 | fHistBetaPRatio(0), |
| 299 | fHistBetaPXRatio(0), |
| 300 | fHistBetheBlochITSNeg(0), |
| 301 | fHistBetheBlochITSPos(0), |
| 302 | fHistBetheBlochTPCNeg(0), |
| 303 | fHistBetheBlochTPCPos(0), |
| 304 | fHistCosPAMLa(0), |
| 305 | fHistDCAPtPSig(0), |
| 306 | fHistDCAPtPBg(0), |
| 307 | fHistDCAPtPbarSig(0), |
| 308 | fHistDCAPtPbarBg(0), |
| 309 | fHistDecayLDCA(0), |
| 310 | fHistDecayLMLa(0), |
| 311 | fHistDeltaThetaMLa(0), |
| 312 | fHistImpactxyImpactz(0), |
| 313 | fHistImpactxyMLa(0), |
| 314 | fHistImpactzMLa(0), |
| 315 | fHistMcLamdaPProductionVertex(0), |
| 316 | fHistMcLamdaSProductionVertex(0), |
| 317 | fHistMcLamdaSDecayVertex(0), |
| 318 | fHistMcPMK0Pt(0), |
| 319 | fHistMcPMLaPt(0), |
| 320 | fHistMcPMLbPt(0), |
| 321 | fHistMcSLambdaDaughterPairs(0), |
| 322 | fHistMcV0MK0Pt(0), |
| 323 | fHistMcV0MLaPt(0), |
| 324 | fHistMcV0MLbPt(0), |
| 325 | fHistMcV0LamdaSProductionVertex(0), |
| 326 | fHistMcV0IDLamdaSProductionVertex(0), |
| 327 | fHistMK0PtArm(0), |
| 328 | fHistMK0Pt(0), |
| 329 | fHistMK0R(0), |
| 330 | fHistMLaPtArm(0), |
| 331 | fHistMLaPt(0), |
| 332 | fHistMLaR(0), |
| 333 | fHistMLbPtArm(0), |
| 334 | fHistMLbPt(0), |
| 335 | fHistMLbR(0), |
| 336 | fHistNegChi2PerClusterMLa(0), |
| 337 | fHistNegTPCRefitMLa(0), |
| 338 | fHistNTPCNegClustersMLa(0), |
| 339 | fHistNTPCPosClustersMLa(0), |
| 340 | fHistNV0sNTracks(0), |
| 341 | fHistPosChi2PerClusterMLa(0), |
| 342 | fHistPosTPCRefitMLa(0), |
| 343 | fHistPtArm(0), |
| 344 | fHistPtArmR(0), |
| 345 | fHistPtV0Z(0), |
| 346 | fHistRZ(0), |
| 347 | fHistTauLaMLa(0), |
| 348 | fHistXZ(0), |
| 349 | fHistYZ(0)// The last in the above list should not have a comma after it |
| 350 | { |
| 351 | // Constructor |
| 352 | // Define input and output slots here (never in the dummy constructor) |
| 353 | // Input slot #0 works with a TChain - it is connected to the default input container |
| 354 | // Output slot #1 writes into a TH1 container |
| 355 | DefineOutput(1, TList::Class()); // for output list |
| 356 | } |
| 357 | |
| 358 | //________________________________________________________________________ |
| 359 | AliAnalysisTaskLukeV0::~AliAnalysisTaskLukeV0() |
| 360 | { |
| 361 | // Destructor. Clean-up the output list, but not the histograms that are put inside |
| 362 | // (the list is owner and will clean-up these histograms). Protect in PROOF case. |
| 363 | if (fOutputList && !AliAnalysisManager::GetAnalysisManager()->IsProofMode()) { |
| 364 | delete fOutputList; |
| 365 | } |
| 366 | if (fTrackCuts) delete fTrackCuts; |
| 367 | } |
| 368 | |
| 369 | //________________________________________________________________________ |
| 370 | void AliAnalysisTaskLukeV0::UserCreateOutputObjects() |
| 371 | { |
| 372 | // Create histograms |
| 373 | // Called once (on the worker node) |
| 374 | |
| 375 | fOutputList = new TList(); |
| 376 | fOutputList->SetOwner(); // IMPORTANT! |
| 377 | |
| 378 | fTrackCuts = new AliESDtrackCuts(); |
| 379 | |
| 380 | AliAnalysisManager *man=AliAnalysisManager::GetAnalysisManager(); |
| 381 | AliInputEventHandler* inputHandler = (AliInputEventHandler*) (man->GetInputEventHandler()); |
| 382 | fPIDResponse = inputHandler->GetPIDResponse(); |
| 383 | |
| 384 | // Create histograms - original test histograms |
| 385 | Int_t ptBins = 15; |
| 386 | Float_t ptLow = 0.1, ptUp = 3.1; |
| 387 | fHistPt = new TH1F("fHistPt", "P_{T} distribution for reconstructed", ptBins, ptLow, ptUp); |
| 388 | Int_t etaBins = 40; |
| 389 | Float_t etaLow = -2.0, etaUp = 2.0; |
| 390 | fHistEta = new TH1F("fHistEta","#eta distribution for reconstructed",etaBins, etaLow, etaUp); |
| 391 | fHistLuke = new TH1F("fHistLuke","Lukes Histogram",100, 0, 10); |
| 392 | |
| 393 | // lambda plot parameters |
| 394 | int div = 96; |
| 395 | float max = 1.2; |
| 396 | float min = 1.08; |
| 397 | |
| 398 | // Create remaining histograms |
| 399 | // TH1F first |
| 400 | fHistBetaV0 = new TH1F("fHistBetaV0","Beta of the v0 candidate; Beta; NV0s",50,0,1); |
| 401 | fHistCosPA = new TH1F("fHistCosPA", "Cosine of Pointing Angle of V0s; Cos PA; N(v0s)",202,0.8,1.01); |
| 402 | fHistCosTheta = new TH1F("fHistCosTheta","Cos Theta of decay in Lambda rest frame ;Cos Theta ;N V0s",180,-1,1); |
| 403 | fHistCosThetaPi2 = new TH1F("fHistCosThetaPi2","Cos Theta of pion decay in lab frame ;Cos Theta ;N V0s",180,-1,1); |
| 404 | fHistCosThetaProton2 = new TH1F("fHistCosThetaProton2","Cos Theta proton in lab frame ;Cos Theta ;N V0s",180,-1,1); |
| 405 | fHistDCAV0Daughters = new TH1F("fHistDCAV0Daughters", "DCA between V0 daughters; DCA (cm); N V0s", 100, 0, 2); |
| 406 | fHistDecayL = new TH1F("fHistDecayL", "Distance between V0 and PV; Distance(cm); N(v0s)",200,-0.1,30); |
| 407 | fHistDecayLxy = new TH1F("fHistDecayLxy", "Distance between V0 and PV in xy plane; Distance(cm); N(v0s)",200,-0.1,30); |
| 408 | fHistDeltaTheta = new TH1F("fHistDeltaTheta","Difference in theta of Proton and Pi in lambda rest frame; Delta Theta; NV0s",180,-7,7); |
| 409 | fHistdNV0sdT2 = new TH1F("fHistdNV0sdT2", "No of V0s over No of Tracks squared; NV0s/T^2; N", 30, 0, 2e-3); |
| 410 | fHistEtaNTracks = new TH1F("fHistEtaNTracks","Eta for negative tracks; Eta; N",100,-5,5); |
| 411 | fHistEtaPTracks = new TH1F("fHistEtaPTracks","Eta for positive tracks; Eta; N",100,-5,5); |
| 412 | fHistEtaV0s = new TH1F("fHistEtaV0s","Eta for v0s; Eta; N",100,-5,5); |
| 413 | fHistImpactxyN = new TH1F("fHistImpactxyN", "RSM DCA between negative particle and primary vertex in xy plane; RSM DCA (cm); N(v0s)",100,0,1); |
| 414 | fHistImpactzN = new TH1F("fHistImpactzN", "RSM DCA between negative particle and primary vertex in z direction; RSM DCA (cm); N(v0s)",100,0,1); |
| 415 | fHistImpactxyP = new TH1F("fHistImpactxyP", "RSM DCA between positive particle and primary vertex in xy plane; RSM DCA (cm); N(v0s)",100,0,1); |
| 416 | fHistImpactzP = new TH1F("fHistImpactzP", "RSM DCA between positive particle and primary vertex in z direction; RSM DCA (cm); N(v0s)",100,0,1); |
| 417 | fHistKinkIndexFalse = new TH1F("fHistKinkIndexFalse","Lambda mass of non-kink candidates; M(p#pi^{-}) (GeV/c^{2})",96,1.08,1.2); |
| 418 | fHistKinkIndexTrue = new TH1F("fHistKinkIndexTrue","Lambda mass of kink candidates; M(p#pi^{-}) (GeV/c^{2})",96,1.08,1.2); |
| 419 | fHistLambdaBgRapidity = new TH1F("fHistLambdaBgRapidity","Rapidity of background V0s near Lambda mass; rapidity ",100,-1.5,1.5); |
| 420 | fHistLambdaBgEta = new TH1F("fHistLambdaBgEta","Psuedorapidity of background V0s near Lambda mass; Eta ",100,-1.5,1.5); |
| 421 | fHistLambdaBgPt = new TH1F("fHistLambdaBgPt","Transverse momentum of background V0s near Lambda mass; Pt(GeV/c) ",150,0,15); |
| 422 | fHistLambdaSigRapidity = new TH1F("fHistLambdaSigRapidity","Rapidity of signal V0s on Lambda mass; rapidity ",100,-1.5,1.5); |
| 423 | fHistLambdaSigEta = new TH1F("fHistLambdaSigEta","Psuedorapidity of signal V0s on Lambda mass; Eta ",100,-1.5,1.5); |
| 424 | fHistLambdaSigPt = new TH1F("fHistLambdaSigPt","Transverse momentum of signal V0s on Lambda mass; Pt(GeV/c) ",150,0,15); |
| 425 | fHistMagneticField = new TH1F("fHistMagneticField", "Magnetic Field; Magnetic Field; N",100,-100,100); |
| 426 | fHistMcLog = new TH1F("fHistMcLog", "Log: 1=P ID, 2=P nID, 3=nP ID, 4=nP nID; Code; N",21,-0.25,10.25); |
| 427 | fHistMcNLambdaPrimary = new TH1F("fHistMcNLambdaPrimary","Number of primary lambdas in MC; NLambdas; i",6,-0.25,2.25); |
| 428 | fHistMcNLambda = new TH1F("fHistMcNLambda","Number of lambdas in MC; NLambdas; i",31,-0.5,30); |
| 429 | fHistMcNAntilambda = new TH1F("fHistMcNAntilambda","Number of antilambdas in MC; NAntiLambdas; i",31,-0.5,30); |
| 430 | fHistMcNKshort = new TH1F("fHistMcNKshort","Number of K0s in MC; NKshort; i",31,-0.5,30); |
| 431 | fHistMcPtV0La = new TH1F("fHistMcPtV0La","Pt distribution of V0s confirmed as lambdas; Pt (GeV/c); dN/dydPt",200,0,10); |
| 432 | fHistMcPtV0Lb = new TH1F("fHistMcPtV0Lb","Pt distribution of V0s confirmed as antilambdas; Pt (GeV/c); dN/dydPt",200,0,10); |
| 433 | fHistMcPtV0K0 = new TH1F("fHistMcPtV0K0","Pt distribution of V0s confirmed as K0s; Pt (GeV/c); dN/dydPt",200,0,10); |
| 434 | fHistMcSigmaPProton = new TH1F("fHistMcSigmaPProton","Sigma of being a proton from TPC response (MC protons); N Sigma; N",200,0,10); |
| 435 | fHistMcSigmaPNProton = new TH1F("fHistMcSigmaPNProton","Sigma of being a proton from TPC response (MC not protons); N Sigma; N",200,0,10); |
| 436 | fHistMcSLambdaEta = new TH1F("fHistMcSLambdaEta","#eta distribution for MC secondary lambdas",60, -3, 3); |
| 437 | fHistMcSLambdaDaughter = new TH1F("fHistMcSLambda_Daughter","PDG code for first daughter of MC secondary lambdas",8001, -4000.5,4000.5); |
| 438 | fHistMcSLambdaPt = new TH1F("fHistMcSLambdaPt","#Pt distribution for MC secondary lambdas",500, 0, 100); |
| 439 | fHistMcTPCTrackLength = new TH1F("fHistMcTPCTrackLength","TPC track length for charged Lambda daughters",500, 0, 100); |
| 440 | fHistMK0 = new TH1F("fHistMK0","K0Short Mass; M(#pi^{+}#pi^{-}) (GeV/c^{2}); dN/dM (0.12 GeV/c^{2})^{-1}",140,0.414,0.582); |
| 441 | fHistMK00 = new TH1F("fHistMK00","K0Short Mass; M(#pi^{+}#pi^{-}) (GeV/c^{2}); dN/dM (0.12 GeV/c^{2})^{-1}",140,0.414,0.582); |
| 442 | fHistMK01 = new TH1F("fHistMK01","K0Short Mass; M(#pi^{+}#pi^{-}) (GeV/c^{2}); dN/dM (0.12 GeV/c^{2})^{-1}",140,0.414,0.582); |
| 443 | fHistMK02 = new TH1F("fHistMK02","K0Short Mass; M(#pi^{+}#pi^{-}) (GeV/c^{2}); dN/dM (0.12 GeV/c^{2})^{-1}",140,0.414,0.582); |
| 444 | fHistMK03 = new TH1F("fHistMK03","K0Short Mass; M(#pi^{+}#pi^{-}) (GeV/c^{2}); dN/dM (0.12 GeV/c^{2})^{-1}",140,0.414,0.582); |
| 445 | fHistMK04 = new TH1F("fHistMK04","K0Short Mass; M(#pi^{+}#pi^{-}) (GeV/c^{2}); dN/dM (0.12 GeV/c^{2})^{-1}",140,0.414,0.582); |
| 446 | fHistMK05 = new TH1F("fHistMK05","K0Short Mass; M(#pi^{+}#pi^{-}) (GeV/c^{2}); dN/dM (0.12 GeV/c^{2})^{-1}",140,0.414,0.582); |
| 447 | fHistMK06 = new TH1F("fHistMK06","K0Short Mass; M(#pi^{+}#pi^{-}) (GeV/c^{2}); dN/dM (0.12 GeV/c^{2})^{-1}",140,0.414,0.582); |
| 448 | fHistMK07 = new TH1F("fHistMK07","K0Short Mass; M(#pi^{+}#pi^{-}) (GeV/c^{2}); dN/dM (0.12 GeV/c^{2})^{-1}",140,0.414,0.582); |
| 449 | fHistMK08 = new TH1F("fHistMK08","K0Short Mass; M(#pi^{+}#pi^{-}) (GeV/c^{2}); dN/dM (0.12 GeV/c^{2})^{-1}",140,0.414,0.582); |
| 450 | fHistMK09 = new TH1F("fHistMK09","K0Short Mass; M(#pi^{+}#pi^{-}) (GeV/c^{2}); dN/dM (0.12 GeV/c^{2})^{-1}",140,0.414,0.582); |
| 451 | fHistMLa = new TH1F("fHistMLa","Lambda Mass; M(p#pi^{-}) (GeV/c^{2}); dN/dM (0.125 GeV/c^{2})^{-1}",div,min,max); |
| 452 | fHistMLa0 = new TH1F("fHistMLa0", "V0 Mass; M(M(p#pi^{-}) (GeV/c^{2}); dN/dM (0.12 GeV/c^{2})^{-1}",div,min,max); |
| 453 | fHistMLa1 = new TH1F("fHistMLa1", "V0 Mass; M(M(p#pi^{-}) (GeV/c^{2}); dN/dM (0.12 GeV/c^{2})^{-1}",div,min,max); |
| 454 | fHistMLa2 = new TH1F("fHistMLa2", "V0 Mass; M(M(p#pi^{-}) (GeV/c^{2}); dN/dM (0.12 GeV/c^{2})^{-1}",div,min,max); |
| 455 | fHistMLa3 = new TH1F("fHistMLa3", "V0 Mass; M(M(p#pi^{-}) (GeV/c^{2}); dN/dM (0.12 GeV/c^{2})^{-1}",div,min,max); |
| 456 | fHistMLa4 = new TH1F("fHistMLa4", "V0 Mass; M(M(p#pi^{-}) (GeV/c^{2}); dN/dM (0.12 GeV/c^{2})^{-1}",div,min,max); |
| 457 | fHistMLa5 = new TH1F("fHistMLa5", "V0 Mass; M(M(p#pi^{-}) (GeV/c^{2}); dN/dM (0.12 GeV/c^{2})^{-1}",div,min,max); |
| 458 | fHistMLa6 = new TH1F("fHistMLa6", "V0 Mass; M(M(p#pi^{-}) (GeV/c^{2}); dN/dM (0.12 GeV/c^{2})^{-1}",div,min,max); |
| 459 | fHistMLa7 = new TH1F("fHistMLa7", "V0 Mass; M(M(p#pi^{-}) (GeV/c^{2}); dN/dM (0.12 GeV/c^{2})^{-1}",div,min,max); |
| 460 | fHistMLa8 = new TH1F("fHistMLa8", "V0 Mass; M(M(p#pi^{-}) (GeV/c^{2}); dN/dM (0.12 GeV/c^{2})^{-1}",div,min,max); |
| 461 | fHistMLa9 = new TH1F("fHistMLa9", "V0 Mass; M(M(p#pi^{-}) (GeV/c^{2}); dN/dM (0.12 GeV/c^{2})^{-1}",div,min,max); |
| 462 | fHistMLb = new TH1F("fHistMLb","AntiLambda Mass; M(#bar{p}#pi^{+}) (GeV/c^{2}); dN/dM (0.125 GeV/c^{2})^{-1}",div,min,max); |
| 463 | fHistMLb0 = new TH1F("fHistMLb0", "V0 Mass; M(M(#bar{p}#pi^{+}) (GeV/c^{2}); dN/dM (0.125 GeV/c^{2})^{-1}",div,min,max); |
| 464 | fHistMLb1 = new TH1F("fHistMLb1", "V0 Mass; M(M(#bar{p}#pi^{+}) (GeV/c^{2}); dN/dM (0.125 GeV/c^{2})^{-1}",div,min,max); |
| 465 | fHistMLb2 = new TH1F("fHistMLb2", "V0 Mass; M(M(#bar{p}#pi^{+}) (GeV/c^{2}); dN/dM (0.125 GeV/c^{2})^{-1}",div,min,max); |
| 466 | fHistMLb3 = new TH1F("fHistMLb3", "V0 Mass; M(M(#bar{p}#pi^{+}) (GeV/c^{2}); dN/dM (0.125 GeV/c^{2})^{-1}",div,min,max); |
| 467 | fHistMLb4 = new TH1F("fHistMLb4", "V0 Mass; M(M(#bar{p}#pi^{+}) (GeV/c^{2}); dN/dM (0.125 GeV/c^{2})^{-1}",div,min,max); |
| 468 | fHistMLb5 = new TH1F("fHistMLb5", "V0 Mass; M(M(#bar{p}#pi^{+}) (GeV/c^{2}); dN/dM (0.125 GeV/c^{2})^{-1}",div,min,max); |
| 469 | fHistMLb6 = new TH1F("fHistMLb6", "V0 Mass; M(M(#bar{p}#pi^{+}) (GeV/c^{2}); dN/dM (0.125 GeV/c^{2})^{-1}",div,min,max); |
| 470 | fHistMLb7 = new TH1F("fHistMLb7", "V0 Mass; M(M(#bar{p}#pi^{+}) (GeV/c^{2}); dN/dM (0.125 GeV/c^{2})^{-1}",div,min,max); |
| 471 | fHistMLb8 = new TH1F("fHistMLb8", "V0 Mass; M(M(#bar{p}#pi^{+}) (GeV/c^{2}); dN/dM (0.125 GeV/c^{2})^{-1}",div,min,max); |
| 472 | fHistMLb9 = new TH1F("fHistMLb9", "V0 Mass; M(M(#bar{p}#pi^{+}) (GeV/c^{2}); dN/dM (0.125 GeV/c^{2})^{-1}",div,min,max); |
| 473 | fHistNLambda = new TH1F("fHistNLambda", "Number of lambda per event; N(lambda); N(events)",50,-0.5,49.5); |
| 474 | fHistNV0 = new TH1F("fHistNV0","V0 frequency distribution; Number of V0 Candidates",1000,0,100000); |
| 475 | fHistNTracks = new TH1F("fHistNTracks", "Track frequency distribution; Number of Tracks; N Tracks", 1000, 0, 100000); |
| 476 | fHistPtV0 = new TH1F("fHistPtV0","V0 P_{T}; P_{T} (GeV/c);dN/dP_{T} (GeV/c)^{-1}",40,0.,4.); |
| 477 | fHistPVZ = new TH1F("fHistPVZ","Z primary; Z (cm); Counts",100,-10,10); |
| 478 | fHistTauLa = new TH1F("fHistTauLa", "Lifetime under Lambda mass hypothesis; Lifetime(s); N(v0s)",200,0,100); |
| 479 | fHistTheta = new TH1F("fHistTheta","Angle of decay in Lambda rest frame ;Theta ;N V0s",180,-4,4); |
| 480 | fHistThetaPi2 = new TH1F("fHistThetaPi2","Angle of pion decay in lab frame ;Theta ;N V0s",180,-4,4); |
| 481 | fHistThetaProton2 = new TH1F("fHistThetaProton2","Angle of proton decay in lab frame;Theta ;N V0s",180,-4,4); |
| 482 | fHistV0Z = new TH1F("fHistV0Z","Z decay; Z (cm); Counts",100,-10,10); |
| 483 | fHistZ = new TH1F("fHistZ","Z decay - Z primary; Z (cm); Counts",100,-10,10); |
| 484 | |
| 485 | //TH2F follow |
| 486 | fHistBetaERatio = new TH2F("fHistBetaERatio","Ratio of Energies of Pion & Proton ;Beta ;Ratio",100,0,1,100,0,1); |
| 487 | fHistBetaPRatio = new TH2F("fHistBetaPRatio","Ratio of Momentum of Pion & Proton ;Beta ;Ratio",100,0,1,100,0,2); |
| 488 | fHistBetaPXRatio = new TH2F("fHistBetaPXRatio","Ratio of Momentum in boost direction of Pion & Proton ;Beta ;Ratio",100,0,1,100,-10,10); |
| 489 | fHistBetheBlochITSNeg = new TH2F("fHistBetheBlochITSNeg","-dE/dX against Momentum for negative daughter from ITS; Log10 P (GeV); -dE/dx (keV/cm ?)",1000,-1,1,1000,0,200); |
| 490 | fHistBetheBlochITSPos = new TH2F("fHistBetheBlochITSPos","-dE/dX against Momentum for positive daughter from ITS; Log10 P (GeV); -dE/dx (keV/cm ?)",1000,-1,1,1000,0,200); |
| 491 | fHistBetheBlochTPCNeg = new TH2F("fHistBetheBlochTPCNeg","-dE/dX against Momentum for negative daughter from TPC; Log10 P (GeV); -dE/dx (keV/cm ?)",1000,-1,1,1000,0,200); |
| 492 | fHistBetheBlochTPCPos = new TH2F("fHistBetheBlochTPCPos","-dE/dX against Momentum for positive daughter from TPC; Log10 P (GeV); -dE/dx (keV/cm ?)",1000,-1,1,1000,0,200); |
| 493 | fHistCosPAMLa = new TH2F("fHistCosPAMLa", "Cosine of Pointing Angle of V0s; Cos PA; M(p#pi^{-}) (GeV/c^{2})",202,0.8,1.01,96,1.08,1.2); |
| 494 | fHistDCAPtPSig = new TH2F("fHistDCAPtPSig","DCA of proton daughter from Lambda in peak region to PV versus Pt; P_{perp} (GeV/c); DCA(cm)",200,0,10,200,0,20); |
| 495 | fHistDCAPtPBg = new TH2F("fHistDCAPtPBg","DCA of proton daughter from Lambda in sideband region to PV versus Pt; P_{perp} (GeV/c); DCA(cm)",200,0,10,200,0,20); |
| 496 | fHistDCAPtPbarSig = new TH2F("fHistDCAPtPbarSig","DCA of antiproton daughter from antiLambda in peak region to PV versus Pt; P_{perp} (GeV/c); DCA(cm)",200,0,10,200,0,20); |
| 497 | fHistDCAPtPbarBg = new TH2F("fHistDCAPtPbarBg","DCA of antiproton daughter from antiLambda in sideband region to PV versus Pt; P_{perp} (GeV/c); DCA(cm)",200,0,10,200,0,20); |
| 498 | fHistDecayLDCA = new TH2F("fHistDecayLDCA", "Distance between V0 and PV against DCA between daughter tracks; Distance(cm); DCA (cm) ",301,-0.1,30,100,0,2); |
| 499 | fHistDecayLMLa = new TH2F("fHistDecayLMLa", "Distance between V0 and PV; Distance(cm); M(p#pi^{-}) (GeV/c^{2})",301,-0.1,30,96,1.08,1.2); |
| 500 | fHistDeltaThetaMLa = new TH2F("fHistDeltaThetaMLa"," Delta theta against effective lambda mass; Delta Theta; MLa", 180, -3, 3, 96, 1.08, 1.2); |
| 501 | fHistImpactxyImpactz = new TH2F("fHistImpactxyImpactz", "RSM DCA between negative particle and primary vertex in xy plane; RSM DCA xy (cm); RSM DCA z (cm)",100,0,1,100,0,10); |
| 502 | fHistImpactxyMLa = new TH2F("fHistImpactxyMLa", "RSM DCA between negative particle and primary vertex in xy plane; RSM DCA (cm); M(p#pi^{-}) (GeV/c^{2})",100,0,1,96,1.08,1.2); |
| 503 | fHistImpactzMLa = new TH2F("fHistImpactzMLa", "RSM DCA between negative particle and primary vertex in xy plane; RSM DCA (cm); M(p#pi^{-}) (GeV/c^{2})",100,0,1,96,1.08,1.2); |
| 504 | fHistMcLamdaPProductionVertex = new TH2F("fHistMcLamdaPProductionVertex", "Production vertex of primary Lambdas in RZ plane; Zv; Rv",100,-100,100,100,0,100); |
| 505 | fHistMcLamdaSProductionVertex = new TH2F("fHistMcLamdaSProductionVertex", "Production vertex of secondary Lambdas in RZ plane; Zv; Rv",100,-100,100,100,0,100); |
| 506 | fHistMcLamdaSDecayVertex = new TH2F("fHistMcLamdaSDecayVertex", "Decay vertex of secondary Lambdas in RZ plane; Zv; Rv",100,-100,100,100,0,100); |
| 507 | fHistMcPMK0Pt = new TH2F("fHistMcPMK0Pt","Monte Carlo primary K0 Mass versus Pt; P_{perp} (GeV/c); K0 Mass (GeV/c^2)",200,0,10,140,0.414,0.582); |
| 508 | fHistMcPMLaPt = new TH2F("fHistMcPMLaPt","Monte Carlo primary (& sigma0) Lambda Mass versus Pt; P_{perp} (GeV/c); M(p#pi^{-}) (GeV/c^2)",200,0,10,96,1.08,1.2); |
| 509 | fHistMcPMLbPt = new TH2F("fHistMcPMLbPt","Monte Carlo primary (& sigma0) AntiLambda Mass versus Pt; P_{perp} (GeV/c); M(#bar{p}#pi^{+}) (GeV/c^2)",200,0,10,96,1.08,1.2); |
| 510 | fHistMcSLambdaDaughterPairs = new TH2F("fHistMcSLambdaDaughterPairs", "PDG codes of daughter particles of secondary Lambdas; Daughter1; Daughter2",21,-10.5,10.5,21,-10.5,10.5); |
| 511 | fHistMcV0MK0Pt = new TH2F("fHistMcV0MK0Pt","Monte Carlo V0s passing cuts. K0 Mass versus Pt; P_{perp} (GeV/c); K0 Mass (GeV/c^2)",200,0,10,140,0.414,0.582); |
| 512 | fHistMcV0MLaPt = new TH2F("fHistMcV0MLaPt","Monte Carlo V0s passing cuts. Lambda Mass versus Pt; P_{perp} (GeV/c); Lambda Mass (GeV/c^2)",200,0,10,96,1.08,1.2); |
| 513 | fHistMcV0MLbPt = new TH2F("fHistMcV0MLbPt","Monte Carlo V0s passing cuts. Antilambda Mass versus Pt; P_{perp} (GeV/c); Antilambda Mass (GeV/c^2)",200,0,10,96,1.08,1.2); |
| 514 | fHistMcV0LamdaSProductionVertex = new TH2F("fHistMcV0LamdaSProductionVertex", "Production vertex of V0 secondary Lambdas in RZ plane; Zv; Rv",100,-100,100,100,0,100); |
| 515 | fHistMcV0IDLamdaSProductionVertex = new TH2F("fHistMcV0IDLamdaSProductionVertex", "Production vertex of identified V0 secondary Lambdas in RZ plane; Zv; Rv",100,-100,100,100,0,100); |
| 516 | fHistMK0PtArm = new TH2F("fHistMK0PtArm","K0 Mass versus PtArm; P_{perp} (GeV/c); K0 Mass (GeV/c^2)",40,0,0.25,140,0.414,0.582); |
| 517 | fHistMK0Pt = new TH2F("fHistMK0Pt","K0 Mass versus Pt; P_{perp} (GeV/c); K0 Mass (GeV/c^2)",200,0,10,140,0.414,0.582); |
| 518 | fHistMK0R = new TH2F("fHistMK0R","K0 Mass versus R; R (cm); K0 Mass (GeV/c^2)",120,0,120,140,0.414,0.582); |
| 519 | fHistMLaPtArm = new TH2F("fHistMLaPtArm","Lambda Mass versus PtArm; P_{perp} (GeV/c); M(p#pi^{-}) (GeV/c^2)",40,0,0.25,96,1.08,1.2); |
| 520 | fHistMLaPt = new TH2F("fHistMLaPt","Lambda Mass versus Pt; P_{perp} (GeV/c); M(p#pi^{-}) (GeV/c^2)",200,0,10,96,1.08,1.2); |
| 521 | fHistMLaR = new TH2F("fHistMLaR","Lambda Mass versus R; R (cm); M(p#pi^{-}) (GeV/c^2)",120,0,120,96,1.08,1.2); |
| 522 | fHistMLbPtArm = new TH2F("fHistMLbPtArm","AntiLambda Mass versus PtArm; P_{perp} (GeV/c); M(#bar{p}#pi^{+}) (GeV/c^2)",40,0,0.25,96,1.08,1.2); |
| 523 | fHistMLbPt = new TH2F("fHistMLbPt","AntiLambda Mass versus Pt; P_{perp} (GeV/c); M(#bar{p}#pi^{+}) (GeV/c^2)",200,0,10,96,1.08,1.2); |
| 524 | fHistMLbR = new TH2F("fHistMLbR","AntiLambda Mass versus R; R (cm); M(#bar{p}#pi^{+}) (GeV/c^2)",120,0,120,96,1.08,1.2); |
| 525 | fHistNegChi2PerClusterMLa = new TH2F("fHistNegChi2PerClusterMLa","Chi Squared per cluster against Lambda mass (negative Track);Chi^2 per cluster; M(p#pi^{-}) (GeV/c^{2})",200,0,7,96,1.08,1.2);; |
| 526 | fHistNegTPCRefitMLa = new TH2F("fHistNegTPCRefitMLa","TPC refit?; TPC refit?; M(p#pi^{-}) (GeV/c^{2})",200,0,100,96,1.08,1.2);; |
| 527 | fHistNTPCNegClustersMLa = new TH2F("fHistNTPCNegClustersMLa","Number of TPC clusters per negative track against Lambda mass;Number of TPC clusters; M(p#pi^{-}) (GeV/c^{2})",200,0,200,96,1.08,1.2);; |
| 528 | fHistNTPCPosClustersMLa = new TH2F("fHistNTPCPosClustersMLa","Number of TPC clusters per positive track against Lambda mass;Number of TPC clusters; M(p#pi^{-}) (GeV/c^{2})",200,0,200,96,1.08,1.2);; |
| 529 | fHistNV0sNTracks = new TH2F("fHistNV0sNTracks", "Number of tracks squared against number of v0s; NTracks^2; NV0s", 1000, 0, 1e8, 1000, 0, 1.5e5); |
| 530 | fHistPosChi2PerClusterMLa = new TH2F("fHistPosChi2PerClusterMLa","Chi Squared per cluster against Lambda mass (positive Track);Chi^2 per cluster; M(p#pi^{-}) (GeV/c^{2})",200,0,7,96,1.08,1.2);; |
| 531 | fHistPosTPCRefitMLa = new TH2F("fHistPosTPCRefitMLa","TPC refit?; TPC refit?; M(p#pi^{-}) (GeV/c^{2})",200,0,100,96,1.08,1.2);; |
| 532 | fHistPtArm = new TH2F("fHistPtArm","Podolanski-Armenteros Plot; #alpha; P_{perp} (GeV/c)",40,-1,1,80,0,0.5); |
| 533 | fHistPtArmR = new TH2F("fHistPtArmR","PtArm versus R; R decay (cm); P_{perp}",120,0,120,50,0,0.25); |
| 534 | fHistPtV0Z = new TH2F("fHistPtV0Z","Pt of V0 vs Z position; Pt (GeV/c); Z (cm)",200,-0.1,1.9,200,-50,50); |
| 535 | fHistRZ = new TH2F("fHistRZ","R decay versus Z decay; Z (cm); R (cm)",100,-50,50,120,0,220); |
| 536 | fHistTauLaMLa = new TH2F("fHistTauLaMLa", "Lifetime under Lambda mass hypothesis; Lifetime(s); M(p#pi^{-}) (GeV/c^{2})",200,0,100,96,1.08,1.2); |
| 537 | fHistXZ = new TH2F("fHistXZ","X decay versus Z decay; Z (cm); X (cm)",100,-50,50,200,-200,200); |
| 538 | fHistYZ = new TH2F("fHistYZ","Y decay versus Z decay; Z (cm); Y (cm)",100,-50,50,200,-200,200); |
| 539 | |
| 540 | |
| 541 | |
| 542 | // All histograms must be added to output list |
| 543 | |
| 544 | fOutputList->Add(fHistPt); |
| 545 | fOutputList->Add(fHistEta); |
| 546 | fOutputList->Add(fHistLuke); |
| 547 | fOutputList->Add(fHistBetaV0); |
| 548 | fOutputList->Add(fHistCosPA); |
| 549 | fOutputList->Add(fHistCosTheta); |
| 550 | fOutputList->Add(fHistCosThetaPi2); |
| 551 | fOutputList->Add(fHistCosThetaProton2); |
| 552 | fOutputList->Add(fHistDCAV0Daughters); |
| 553 | fOutputList->Add(fHistDecayL); |
| 554 | fOutputList->Add(fHistDecayLxy); |
| 555 | fOutputList->Add(fHistDeltaTheta); |
| 556 | fOutputList->Add(fHistdNV0sdT2); |
| 557 | fOutputList->Add(fHistEtaNTracks); |
| 558 | fOutputList->Add(fHistEtaPTracks); |
| 559 | fOutputList->Add(fHistEtaV0s); |
| 560 | fOutputList->Add(fHistImpactxyN); |
| 561 | fOutputList->Add(fHistImpactzN); |
| 562 | fOutputList->Add(fHistImpactxyP); |
| 563 | fOutputList->Add(fHistImpactzP); |
| 564 | fOutputList->Add(fHistKinkIndexFalse); |
| 565 | fOutputList->Add(fHistKinkIndexTrue); |
| 566 | fOutputList->Add(fHistLambdaBgRapidity); |
| 567 | fOutputList->Add(fHistLambdaBgEta); |
| 568 | fOutputList->Add(fHistLambdaBgPt); |
| 569 | fOutputList->Add(fHistLambdaSigRapidity); |
| 570 | fOutputList->Add(fHistLambdaSigEta); |
| 571 | fOutputList->Add(fHistLambdaSigPt); |
| 572 | fOutputList->Add(fHistMagneticField); |
| 573 | fOutputList->Add(fHistMcLog); |
| 574 | fOutputList->Add(fHistMcNLambdaPrimary); |
| 575 | fOutputList->Add(fHistMcNLambda); |
| 576 | fOutputList->Add(fHistMcNAntilambda); |
| 577 | fOutputList->Add(fHistMcNKshort); |
| 578 | fOutputList->Add(fHistMcPtV0La); |
| 579 | fOutputList->Add(fHistMcPtV0Lb); |
| 580 | fOutputList->Add(fHistMcPtV0K0); |
| 581 | fOutputList->Add(fHistMcSigmaPProton); |
| 582 | fOutputList->Add(fHistMcSigmaPNProton); |
| 583 | fOutputList->Add(fHistMcSLambdaEta); |
| 584 | fOutputList->Add(fHistMcSLambdaDaughter); |
| 585 | fOutputList->Add(fHistMcSLambdaPt); |
| 586 | fOutputList->Add(fHistMcTPCTrackLength); |
| 587 | fOutputList->Add(fHistMK0); |
| 588 | fOutputList->Add(fHistMK00); |
| 589 | fOutputList->Add(fHistMK01); |
| 590 | fOutputList->Add(fHistMK02); |
| 591 | fOutputList->Add(fHistMK03); |
| 592 | fOutputList->Add(fHistMK04); |
| 593 | fOutputList->Add(fHistMK05); |
| 594 | fOutputList->Add(fHistMK06); |
| 595 | fOutputList->Add(fHistMK07); |
| 596 | fOutputList->Add(fHistMK08); |
| 597 | fOutputList->Add(fHistMK09); |
| 598 | fOutputList->Add(fHistMLa); |
| 599 | fOutputList->Add(fHistMLa0); |
| 600 | fOutputList->Add(fHistMLa1); |
| 601 | fOutputList->Add(fHistMLa2); |
| 602 | fOutputList->Add(fHistMLa3); |
| 603 | fOutputList->Add(fHistMLa4); |
| 604 | fOutputList->Add(fHistMLa5); |
| 605 | fOutputList->Add(fHistMLa6); |
| 606 | fOutputList->Add(fHistMLa7); |
| 607 | fOutputList->Add(fHistMLa8); |
| 608 | fOutputList->Add(fHistMLa9); |
| 609 | fOutputList->Add(fHistMLb); |
| 610 | fOutputList->Add(fHistMLb0); |
| 611 | fOutputList->Add(fHistMLb1); |
| 612 | fOutputList->Add(fHistMLb2); |
| 613 | fOutputList->Add(fHistMLb3); |
| 614 | fOutputList->Add(fHistMLb4); |
| 615 | fOutputList->Add(fHistMLb5); |
| 616 | fOutputList->Add(fHistMLb6); |
| 617 | fOutputList->Add(fHistMLb7); |
| 618 | fOutputList->Add(fHistMLb8); |
| 619 | fOutputList->Add(fHistMLb9); |
| 620 | fOutputList->Add(fHistNLambda); |
| 621 | fOutputList->Add(fHistNV0); |
| 622 | fOutputList->Add(fHistNTracks); |
| 623 | fOutputList->Add(fHistPtV0); |
| 624 | fOutputList->Add(fHistPVZ); |
| 625 | fOutputList->Add(fHistTauLa); |
| 626 | fOutputList->Add(fHistTheta); |
| 627 | fOutputList->Add(fHistThetaPi2); |
| 628 | fOutputList->Add(fHistThetaProton2); |
| 629 | fOutputList->Add(fHistV0Z); |
| 630 | fOutputList->Add(fHistZ); |
| 631 | fOutputList->Add(fHistBetaERatio); |
| 632 | fOutputList->Add(fHistBetaPRatio); |
| 633 | fOutputList->Add(fHistBetaPXRatio); |
| 634 | fOutputList->Add(fHistBetheBlochITSNeg); |
| 635 | fOutputList->Add(fHistBetheBlochITSPos); |
| 636 | fOutputList->Add(fHistBetheBlochTPCNeg); |
| 637 | fOutputList->Add(fHistBetheBlochTPCPos); |
| 638 | fOutputList->Add(fHistCosPAMLa); |
| 639 | fOutputList->Add(fHistDCAPtPSig); |
| 640 | fOutputList->Add(fHistDCAPtPBg); |
| 641 | fOutputList->Add(fHistDCAPtPbarSig); |
| 642 | fOutputList->Add(fHistDCAPtPbarBg); |
| 643 | fOutputList->Add(fHistDecayLDCA); |
| 644 | fOutputList->Add(fHistDecayLMLa); |
| 645 | fOutputList->Add(fHistDeltaThetaMLa); |
| 646 | fOutputList->Add(fHistImpactxyImpactz); |
| 647 | fOutputList->Add(fHistImpactxyMLa); |
| 648 | fOutputList->Add(fHistImpactzMLa); |
| 649 | fOutputList->Add(fHistMcLamdaPProductionVertex); |
| 650 | fOutputList->Add(fHistMcLamdaSProductionVertex); |
| 651 | fOutputList->Add(fHistMcLamdaSDecayVertex); |
| 652 | fOutputList->Add(fHistMcPMK0Pt); |
| 653 | fOutputList->Add(fHistMcPMLaPt); |
| 654 | fOutputList->Add(fHistMcPMLbPt); |
| 655 | fOutputList->Add(fHistMcSLambdaDaughterPairs); |
| 656 | fOutputList->Add(fHistMcV0MK0Pt); |
| 657 | fOutputList->Add(fHistMcV0MLaPt); |
| 658 | fOutputList->Add(fHistMcV0MLbPt); |
| 659 | fOutputList->Add(fHistMcV0LamdaSProductionVertex); |
| 660 | fOutputList->Add(fHistMcV0IDLamdaSProductionVertex); |
| 661 | fOutputList->Add(fHistMK0PtArm); |
| 662 | fOutputList->Add(fHistMK0Pt); |
| 663 | fOutputList->Add(fHistMK0R); |
| 664 | fOutputList->Add(fHistMLaPtArm); |
| 665 | fOutputList->Add(fHistMLaPt); |
| 666 | fOutputList->Add(fHistMLaR); |
| 667 | fOutputList->Add(fHistMLbPtArm); |
| 668 | fOutputList->Add(fHistMLbPt); |
| 669 | fOutputList->Add(fHistMLbR); |
| 670 | fOutputList->Add(fHistNegChi2PerClusterMLa); |
| 671 | fOutputList->Add(fHistNegTPCRefitMLa); |
| 672 | fOutputList->Add(fHistNTPCNegClustersMLa); |
| 673 | fOutputList->Add(fHistNTPCPosClustersMLa); |
| 674 | fOutputList->Add(fHistNV0sNTracks); |
| 675 | fOutputList->Add(fHistPosChi2PerClusterMLa); |
| 676 | fOutputList->Add(fHistPosTPCRefitMLa); |
| 677 | fOutputList->Add(fHistPtArm); |
| 678 | fOutputList->Add(fHistPtArmR); |
| 679 | fOutputList->Add(fHistPtV0Z); |
| 680 | fOutputList->Add(fHistRZ); |
| 681 | fOutputList->Add(fHistTauLaMLa); |
| 682 | fOutputList->Add(fHistXZ); |
| 683 | fOutputList->Add(fHistYZ); |
| 684 | |
| 685 | |
| 686 | PostData(1, fOutputList); // Post data for ALL output slots >0 here, to get at least an empty histogram |
| 687 | } |
| 688 | |
| 689 | //________________________________________________________________________ |
| 690 | void AliAnalysisTaskLukeV0::UserExec(Option_t *) |
| 691 | { |
| 692 | // Main loop |
| 693 | // Called for each event |
| 694 | |
| 695 | // paramaters used for most cuts, to minimise editing |
| 696 | double cutCosPa(0.998), cutcTau(2); |
| 697 | double cutNImpact(-999), cutDCA(0.4); |
| 698 | double cutBetheBloch(3); |
| 699 | double cutMinNClustersTPC(70), cutMaxChi2PerClusterTPC(-999); |
| 700 | double isMonteCarlo(false); |
| 701 | double cutEta(0.8); |
| 702 | |
| 703 | //Track Cuts set here |
| 704 | if(cutMinNClustersTPC != -999) |
| 705 | {(fTrackCuts->SetMinNClustersTPC(int(cutMinNClustersTPC)));} |
| 706 | if(cutMaxChi2PerClusterTPC != -999) |
| 707 | {fTrackCuts->SetMaxChi2PerClusterTPC(cutMaxChi2PerClusterTPC);} |
| 708 | fTrackCuts->SetAcceptKinkDaughters(kFALSE); |
| 709 | fTrackCuts->SetRequireTPCRefit(kTRUE); |
| 710 | |
| 711 | |
| 712 | // Create pointer to reconstructed event |
| 713 | |
| 714 | AliVEvent *event = InputEvent(); |
| 715 | if (!event) { Printf("ERROR: Could not retrieve event"); return; } |
| 716 | |
| 717 | // create pointer to event |
| 718 | AliESDEvent* fESD = dynamic_cast<AliESDEvent*>(event); |
| 719 | if (!fESD) { |
| 720 | AliError("Cannot get the ESD event"); |
| 721 | return; |
| 722 | } |
| 723 | |
| 724 | /*********************************************************************/ |
| 725 | // MONTE CARLO SECTION |
| 726 | // This section loops over all MC tracks |
| 727 | |
| 728 | int nLambdaMC = 0; |
| 729 | int nAntilambdaMC = 0; |
| 730 | int nKshortMC = 0; |
| 731 | |
| 732 | if(isMonteCarlo) |
| 733 | { |
| 734 | |
| 735 | // If the task accesses MC info, this can be done as in the commented block below: |
| 736 | |
| 737 | // Create pointer to reconstructed event |
| 738 | AliMCEvent *mcEvent = MCEvent(); |
| 739 | if (!mcEvent) |
| 740 | { |
| 741 | Printf("ERROR: Could not retrieve MC event"); |
| 742 | //return; |
| 743 | } |
| 744 | else |
| 745 | { |
| 746 | Printf("MC particles: %d", mcEvent->GetNumberOfTracks()); |
| 747 | } |
| 748 | |
| 749 | // set up a stack for use in check for primary/stable particles |
| 750 | AliStack* mcStack = mcEvent->Stack(); |
| 751 | if( !mcStack ) { Printf( "Stack not available"); return; } |
| 752 | |
| 753 | AliMCVertex *mcpv = (AliMCVertex *) mcEvent->GetPrimaryVertex(); |
| 754 | Double_t mcpvPos[3]; |
| 755 | if (mcpv != 0) |
| 756 | { |
| 757 | mcpv->GetXYZ(mcpvPos); |
| 758 | } |
| 759 | else |
| 760 | { |
| 761 | Printf("ERROR: Could not resolve MC primary vertex"); |
| 762 | return; |
| 763 | } |
| 764 | |
| 765 | //loop over all MC tracks |
| 766 | for(Int_t iMCtrack = 0; iMCtrack < mcEvent->GetNumberOfTracks(); iMCtrack++) |
| 767 | { |
| 768 | |
| 769 | //booleans to check if track is La, Lb, K0 and primary |
| 770 | bool lambdaMC = false; |
| 771 | bool antilambdaMC = false; |
| 772 | bool kshortMC = false; |
| 773 | bool isprimaryMC = false; |
| 774 | |
| 775 | AliMCParticle *mcPart = dynamic_cast<AliMCParticle *>(mcEvent->GetTrack(iMCtrack)); |
| 776 | |
| 777 | if(mcPart->PdgCode() == kLambda0) |
| 778 | { |
| 779 | lambdaMC = true; |
| 780 | nLambdaMC++; |
| 781 | } |
| 782 | else if(mcPart->PdgCode() == kK0Short) |
| 783 | { |
| 784 | kshortMC = true; |
| 785 | nKshortMC++; |
| 786 | } |
| 787 | else if(mcPart->PdgCode() == kLambda0Bar) |
| 788 | { |
| 789 | antilambdaMC = true; |
| 790 | nAntilambdaMC++; |
| 791 | } |
| 792 | |
| 793 | //if only interested in La,Lb,K0, can use this to terminate loop for other particles |
| 794 | //if(lambdaMC == false && antilambdaMC == false && kshortMC == false) |
| 795 | //{continue;} |
| 796 | |
| 797 | Int_t firstDaughterLabel = mcPart->GetFirstDaughter(); |
| 798 | Int_t lastDaughterLabel = mcPart->GetLastDaughter(); |
| 799 | Int_t motherLabel = mcPart->GetMother(); |
| 800 | |
| 801 | if(firstDaughterLabel < 0 || lastDaughterLabel < 0) |
| 802 | {continue;} |
| 803 | |
| 804 | AliMCParticle *mcFirstDaughter = dynamic_cast<AliMCParticle *>(mcEvent->GetTrack(firstDaughterLabel)); |
| 805 | AliMCParticle *mcLastDaughter = dynamic_cast<AliMCParticle *>(mcEvent->GetTrack(lastDaughterLabel)); |
| 806 | AliMCParticle *mcMother = dynamic_cast<AliMCParticle *>(mcEvent->GetTrack(motherLabel)); |
| 807 | |
| 808 | double mcRadius = TMath::Sqrt((mcPart->Xv())*(mcPart->Xv())+(mcPart->Yv())*(mcPart->Yv())); |
| 809 | double mcFirstDaughterRadius = TMath::Sqrt((mcFirstDaughter->Xv())*(mcFirstDaughter->Xv())+(mcFirstDaughter->Yv())*(mcFirstDaughter->Yv())); |
| 810 | double mcLastDaughterRadius = TMath::Sqrt((mcLastDaughter->Xv())*(mcLastDaughter->Xv())+(mcLastDaughter->Yv())*(mcLastDaughter->Yv())); |
| 811 | |
| 812 | double motherType = -1; |
| 813 | if(motherLabel >= 0) |
| 814 | {motherType = mcMother->PdgCode();} |
| 815 | |
| 816 | // this block of code is used to include Sigma0 decays as primary lambda/antilambda |
| 817 | bool sigma0MC = false; |
| 818 | if(motherType == 3212 || motherType == -3212) |
| 819 | { |
| 820 | if(mcEvent->IsPhysicalPrimary(motherLabel)) |
| 821 | {sigma0MC = true;} |
| 822 | } |
| 823 | |
| 824 | |
| 825 | if(mcEvent->IsPhysicalPrimary(iMCtrack) || sigma0MC) |
| 826 | { |
| 827 | isprimaryMC = true; |
| 828 | if(lambdaMC) |
| 829 | { |
| 830 | fHistMcNLambdaPrimary->Fill(1); |
| 831 | fHistMcLamdaPProductionVertex->Fill(mcPart->Zv(),mcRadius); |
| 832 | |
| 833 | if(TMath::Abs(mcPart->Y())<=0.5) |
| 834 | {fHistMcPMLaPt->Fill(mcPart->Pt(),mcPart->M());} |
| 835 | } |
| 836 | if(antilambdaMC) |
| 837 | { |
| 838 | if(TMath::Abs(mcPart->Y())<=0.5) |
| 839 | {fHistMcPMLbPt->Fill(mcPart->Pt(),mcPart->M());} |
| 840 | } |
| 841 | if(kshortMC) |
| 842 | { |
| 843 | if(TMath::Abs(mcPart->Y())<=0.5) |
| 844 | {fHistMcPMK0Pt->Fill(mcPart->Pt(),mcPart->M());} |
| 845 | } |
| 846 | } |
| 847 | else |
| 848 | { |
| 849 | isprimaryMC = false; |
| 850 | if(lambdaMC) |
| 851 | { |
| 852 | fHistMcNLambdaPrimary->Fill(2); |
| 853 | |
| 854 | fHistMcSLambdaDaughter->Fill(mcFirstDaughter->PdgCode()); |
| 855 | |
| 856 | if(motherLabel >=0) |
| 857 | { |
| 858 | if(mcMother->PdgCode() != kLambda0) |
| 859 | {fHistMcLamdaSProductionVertex->Fill(mcPart->Zv(),mcRadius);} |
| 860 | } |
| 861 | else |
| 862 | {fHistMcLamdaSProductionVertex->Fill(mcPart->Zv(),mcRadius);} |
| 863 | |
| 864 | if(mcFirstDaughter->PdgCode() == kProton || mcFirstDaughter->PdgCode() == kPiMinus) |
| 865 | {fHistMcLamdaSDecayVertex->Fill(mcFirstDaughter->Zv(),mcFirstDaughterRadius);} |
| 866 | |
| 867 | fHistMcSLambdaEta->Fill(mcPart->Eta()); |
| 868 | fHistMcSLambdaPt->Fill(mcPart->Pt()); |
| 869 | } |
| 870 | } |
| 871 | |
| 872 | } |
| 873 | |
| 874 | |
| 875 | } |
| 876 | |
| 877 | |
| 878 | fHistMcNLambda->Fill(nLambdaMC); |
| 879 | fHistMcNAntilambda->Fill(nAntilambdaMC); |
| 880 | fHistMcNKshort->Fill(nKshortMC); |
| 881 | |
| 882 | //END OF MONTE CARLO SECTION |
| 883 | /*********************************************************************/ |
| 884 | |
| 885 | |
| 886 | |
| 887 | |
| 888 | |
| 889 | // Do some fast cuts first |
| 890 | // check for good reconstructed vertex |
| 891 | if(!(fESD->GetPrimaryVertex()->GetStatus())) return; |
| 892 | // if vertex is from spd vertexZ, require more stringent cut |
| 893 | if (fESD->GetPrimaryVertex()->IsFromVertexerZ()) { |
| 894 | if (fESD->GetPrimaryVertex()->GetDispersion()>0.02 || fESD->GetPrimaryVertex()->GetZRes()>0.25 ) return; // bad vertex from VertexerZ |
| 895 | } |
| 896 | |
| 897 | Double_t tV0Position[3]; |
| 898 | Double_t tPVPosition[3]; |
| 899 | Double_t radius; |
| 900 | |
| 901 | // physics selection |
| 902 | UInt_t maskIsSelected = ((AliInputEventHandler*)(AliAnalysisManager::GetAnalysisManager()->GetInputEventHandler()))->IsEventSelected(); |
| 903 | if(!maskIsSelected) |
| 904 | { |
| 905 | //printf("Event failed physics selection\n"); |
| 906 | return; |
| 907 | } |
| 908 | |
| 909 | //if additional initial cuts wanted, can set conditions here |
| 910 | bool isCut = (fESD->GetNumberOfTracks()==0); |
| 911 | if (isCut) |
| 912 | {return;} |
| 913 | |
| 914 | //gets primary vertex for the event |
| 915 | const AliESDVertex *kPv = ((AliESDEvent *)fESD)->GetPrimaryVertex(); |
| 916 | if ( kPv != 0 ) |
| 917 | { |
| 918 | tPVPosition[0] = kPv->GetXv(); |
| 919 | tPVPosition[1] = kPv->GetYv(); |
| 920 | tPVPosition[2] = kPv->GetZv(); |
| 921 | if( tPVPosition[2] == 0. ) |
| 922 | { |
| 923 | //printf("WARNING: Primary vertex a Z = 0, aborting\n"); |
| 924 | return; |
| 925 | } |
| 926 | } |
| 927 | else |
| 928 | { |
| 929 | //printf("ERROR: Primary vertex not found\n"); |
| 930 | return; |
| 931 | } |
| 932 | if( !kPv->GetStatus()) |
| 933 | {return;} |
| 934 | |
| 935 | |
| 936 | |
| 937 | |
| 938 | int nLambda(0); |
| 939 | int nV0s(0); |
| 940 | double lambdaLabel[fESD->GetNumberOfV0s()]; |
| 941 | |
| 942 | // V0 loop - runs over every v0 in the event |
| 943 | for (Int_t iV0 = 0; iV0 < fESD->GetNumberOfV0s(); iV0++) |
| 944 | { |
| 945 | |
| 946 | AliESDv0 *v0 = fESD->GetV0(iV0); |
| 947 | if (!v0) |
| 948 | { |
| 949 | printf("ERROR: Could not receive v0 %d\n", iV0); |
| 950 | continue; |
| 951 | } |
| 952 | |
| 953 | bool lambdaCandidate = true; |
| 954 | bool antilambdaCandidate = true; |
| 955 | bool kshortCandidate = true; |
| 956 | |
| 957 | // keep only events of interest for fHistMLa plots |
| 958 | |
| 959 | if (v0->GetEffMass(4,2) < 1.08 || v0->GetEffMass(4,2) > 1.2 || TMath::Abs(v0->Y(3122))>0.5 ) |
| 960 | {lambdaCandidate = false;} |
| 961 | if (v0->GetEffMass(2,4) < 1.08 || v0->GetEffMass(2,4) > 1.2 || TMath::Abs(v0->Y(-3122))>0.5) |
| 962 | {antilambdaCandidate = false;} |
| 963 | if (v0->GetEffMass(2,2) < 0.414 || v0->GetEffMass(2,2) > 0.582 || TMath::Abs(v0->Y(310))>0.5) |
| 964 | {kshortCandidate = false;} |
| 965 | if (v0->GetOnFlyStatus()) |
| 966 | {continue;} |
| 967 | |
| 968 | if(!isMonteCarlo) |
| 969 | {if(lambdaCandidate == false && antilambdaCandidate == false && kshortCandidate == false) |
| 970 | {continue;}} |
| 971 | |
| 972 | |
| 973 | //gets details of the v0 |
| 974 | v0->GetXYZ(tV0Position[0],tV0Position[1],tV0Position[2]); |
| 975 | radius = TMath::Sqrt(tV0Position[0]*tV0Position[0]+tV0Position[1]*tV0Position[1]); |
| 976 | |
| 977 | double decayLength = (sqrt((tV0Position[0]-tPVPosition[0])*(tV0Position[0]-tPVPosition[0])+(tV0Position[1]-tPVPosition[1])*(tV0Position[1]-tPVPosition[1])+(tV0Position[2]-tPVPosition[2])*(tV0Position[2]-tPVPosition[2]))); |
| 978 | double cTauLa = decayLength*(v0->GetEffMass(4,2))/(v0->P()); |
| 979 | double cTauLb = decayLength*(v0->GetEffMass(2,4))/(v0->P()); |
| 980 | double cTauK0 = decayLength*(v0->GetEffMass(2,2))/(v0->P()); |
| 981 | |
| 982 | Int_t indexP, indexN; |
| 983 | indexP = TMath::Abs(v0->GetPindex()); |
| 984 | AliESDtrack *posTrack = ((AliESDEvent*)fESD)->GetTrack(indexP); |
| 985 | indexN = TMath::Abs(v0->GetNindex()); |
| 986 | AliESDtrack *negTrack = ((AliESDEvent*)fESD)->GetTrack(indexN); |
| 987 | |
| 988 | if(!posTrack || !negTrack) |
| 989 | {continue;} |
| 990 | |
| 991 | double pTrackMomentum[3]; |
| 992 | double nTrackMomentum[3]; |
| 993 | double pV0x, pV0y, pV0z; |
| 994 | posTrack->GetConstrainedPxPyPz(pTrackMomentum); |
| 995 | negTrack->GetConstrainedPxPyPz(nTrackMomentum); |
| 996 | v0->GetPxPyPz(pV0x, pV0y, pV0z); |
| 997 | |
| 998 | const double kMLambda = 1.115; |
| 999 | const double kMProton = 0.938; |
| 1000 | const double kMPi = 0.140; |
| 1001 | |
| 1002 | double pPos2 = sqrt(pTrackMomentum[0]*pTrackMomentum[0]+pTrackMomentum[1]*pTrackMomentum[1]+pTrackMomentum[2]*pTrackMomentum[2]); |
| 1003 | double pNeg2 = sqrt(nTrackMomentum[0]*nTrackMomentum[0]+nTrackMomentum[1]*nTrackMomentum[1]+nTrackMomentum[2]*nTrackMomentum[2]); |
| 1004 | double pV02 = sqrt(pV0x*pV0x+pV0y*pV0y+pV0z*pV0z); |
| 1005 | |
| 1006 | //to prevent segfaults when ratios etc taken |
| 1007 | if(pV02 < 0.01 || pPos2 <0.01 || pNeg2 <0.01) |
| 1008 | {continue;} |
| 1009 | |
| 1010 | Float_t pImpactxy(0), pImpactz(0); |
| 1011 | Float_t nImpactxy(0), nImpactz(0); |
| 1012 | posTrack->GetImpactParameters(pImpactxy,pImpactz); |
| 1013 | negTrack->GetImpactParameters(nImpactxy,nImpactz); |
| 1014 | nImpactxy = sqrt((nImpactxy*nImpactxy)); |
| 1015 | nImpactz = sqrt((nImpactz *nImpactz )); |
| 1016 | pImpactxy = sqrt((pImpactxy*pImpactxy)); |
| 1017 | pImpactz = sqrt((pImpactz *pImpactz )); |
| 1018 | |
| 1019 | /*********************************************************************/ |
| 1020 | // Cuts are implemented here. |
| 1021 | |
| 1022 | if(!(fTrackCuts->IsSelected(posTrack)) || !(fTrackCuts->IsSelected(negTrack))) |
| 1023 | { |
| 1024 | lambdaCandidate = false; |
| 1025 | antilambdaCandidate = false; |
| 1026 | kshortCandidate = false; |
| 1027 | } |
| 1028 | |
| 1029 | //extra cut to account for difference between p2 & p1 data |
| 1030 | if(nImpactxy < 0.1 || pImpactxy < 0.1) |
| 1031 | { |
| 1032 | lambdaCandidate = false; |
| 1033 | antilambdaCandidate = false; |
| 1034 | kshortCandidate = false; |
| 1035 | } |
| 1036 | |
| 1037 | //psuedorapidity cut |
| 1038 | if(cutEta != -999) |
| 1039 | { |
| 1040 | if(TMath::Abs(posTrack->Eta()) > cutEta || TMath::Abs(negTrack->Eta()) >cutEta) |
| 1041 | { |
| 1042 | lambdaCandidate = false; |
| 1043 | antilambdaCandidate = false; |
| 1044 | kshortCandidate = false; |
| 1045 | } |
| 1046 | } |
| 1047 | |
| 1048 | //pointing angle cut |
| 1049 | if(cutCosPa != -999) |
| 1050 | { |
| 1051 | if (v0->GetV0CosineOfPointingAngle(tPVPosition[0],tPVPosition[1],tPVPosition[2]) < cutCosPa) |
| 1052 | { |
| 1053 | lambdaCandidate = false; |
| 1054 | antilambdaCandidate = false; |
| 1055 | kshortCandidate = false; |
| 1056 | } |
| 1057 | } |
| 1058 | |
| 1059 | //lifetime cut |
| 1060 | if(cutcTau != -999) |
| 1061 | { |
| 1062 | if(cTauLa < cutcTau) |
| 1063 | { |
| 1064 | lambdaCandidate = false; |
| 1065 | } |
| 1066 | if(cTauLb < cutcTau) |
| 1067 | { |
| 1068 | antilambdaCandidate = false; |
| 1069 | } |
| 1070 | if(cTauK0 < cutcTau) |
| 1071 | { |
| 1072 | kshortCandidate = false; |
| 1073 | } |
| 1074 | |
| 1075 | } |
| 1076 | |
| 1077 | // Impact paramater cut (on neg particle) |
| 1078 | if(cutNImpact != -999) |
| 1079 | { |
| 1080 | if(nImpactxy < cutNImpact || nImpactz < cutNImpact) |
| 1081 | { |
| 1082 | lambdaCandidate = false; |
| 1083 | } |
| 1084 | if(pImpactxy < cutNImpact || pImpactz < cutNImpact) |
| 1085 | { |
| 1086 | antilambdaCandidate = false; |
| 1087 | } |
| 1088 | } |
| 1089 | |
| 1090 | |
| 1091 | // DCA between daughterscut |
| 1092 | if(cutDCA != -999) |
| 1093 | { |
| 1094 | if(v0->GetDcaV0Daughters() > cutDCA) |
| 1095 | { |
| 1096 | lambdaCandidate = false; |
| 1097 | antilambdaCandidate = false; |
| 1098 | kshortCandidate = false; |
| 1099 | } |
| 1100 | } |
| 1101 | |
| 1102 | // Bethe Bloch cut. Made sightly complicated as options for crude cuts still included. Should probably reduce to just 'official' cuts |
| 1103 | if(cutBetheBloch != -999) |
| 1104 | { |
| 1105 | if(posTrack->GetTPCsignal() <0 || negTrack->GetTPCsignal()<0) |
| 1106 | {continue;} |
| 1107 | |
| 1108 | if(lambdaCandidate) |
| 1109 | { |
| 1110 | if(cutBetheBloch > 0) |
| 1111 | { |
| 1112 | if(TMath::Abs(fPIDResponse->NumberOfSigmasTPC(posTrack, AliPID::kProton)) > cutBetheBloch ) |
| 1113 | {lambdaCandidate = false;} |
| 1114 | if(TMath::Abs(fPIDResponse->NumberOfSigmasTPC(negTrack, AliPID::kPion)) > cutBetheBloch ) |
| 1115 | {lambdaCandidate = false;} |
| 1116 | } |
| 1117 | |
| 1118 | if(cutBetheBloch == -4) |
| 1119 | { |
| 1120 | if(isMonteCarlo) |
| 1121 | { |
| 1122 | double beta2 = TMath::Power((pPos2/TMath::Sqrt((pPos2*pPos2+0.9*0.9))),2); |
| 1123 | double gamma2 = 1.0/(1.0-beta2); |
| 1124 | if(posTrack->GetTPCsignal() < (2.0/beta2)*(TMath::Log(1e6*beta2*gamma2)-beta2)) |
| 1125 | {lambdaCandidate = false;} |
| 1126 | } |
| 1127 | else |
| 1128 | { |
| 1129 | double beta2 = TMath::Power((pPos2/TMath::Sqrt((pPos2*pPos2+kMProton*kMProton))),2); |
| 1130 | double gamma2 = 1.0/(1.0-beta2); |
| 1131 | if(posTrack->GetTPCsignal() < (2.3/beta2)*(TMath::Log(1e6*beta2*gamma2)-beta2)) |
| 1132 | {lambdaCandidate = false;} |
| 1133 | } |
| 1134 | } |
| 1135 | |
| 1136 | } |
| 1137 | |
| 1138 | if(antilambdaCandidate) |
| 1139 | { |
| 1140 | if(cutBetheBloch > 0) |
| 1141 | { |
| 1142 | if(TMath::Abs(fPIDResponse->NumberOfSigmasTPC(negTrack, AliPID::kProton)) > cutBetheBloch ) |
| 1143 | {antilambdaCandidate = false;} |
| 1144 | if(TMath::Abs(fPIDResponse->NumberOfSigmasTPC(posTrack, AliPID::kPion)) > cutBetheBloch ) |
| 1145 | {antilambdaCandidate = false;} |
| 1146 | } |
| 1147 | |
| 1148 | if(cutBetheBloch == -4) |
| 1149 | { |
| 1150 | if(isMonteCarlo) |
| 1151 | { |
| 1152 | double beta2 = TMath::Power((pNeg2/TMath::Sqrt((pNeg2*pNeg2+0.9*0.9))),2); |
| 1153 | double gamma2 = 1.0/(1.0-beta2); |
| 1154 | if(negTrack->GetTPCsignal() < (2.0/beta2)*(TMath::Log(1e6*beta2*gamma2)-beta2)) |
| 1155 | {antilambdaCandidate = false;} |
| 1156 | } |
| 1157 | else |
| 1158 | { |
| 1159 | double beta2 = TMath::Power((pNeg2/TMath::Sqrt((pNeg2*pNeg2+0.9*0.9))),2); |
| 1160 | double gamma2 = 1.0/(1.0-beta2); |
| 1161 | if(negTrack->GetTPCsignal() < (2.3/beta2)*(TMath::Log(1e6*beta2*gamma2)-beta2)) |
| 1162 | {antilambdaCandidate = false;} |
| 1163 | } |
| 1164 | } |
| 1165 | |
| 1166 | } |
| 1167 | |
| 1168 | if(kshortCandidate) |
| 1169 | { |
| 1170 | if(cutBetheBloch > 0) |
| 1171 | { |
| 1172 | if(TMath::Abs(fPIDResponse->NumberOfSigmasTPC(negTrack, AliPID::kPion)) > cutBetheBloch ) |
| 1173 | {kshortCandidate = false;} |
| 1174 | if(TMath::Abs(fPIDResponse->NumberOfSigmasTPC(posTrack, AliPID::kPion)) > cutBetheBloch ) |
| 1175 | {kshortCandidate = false;} |
| 1176 | } |
| 1177 | |
| 1178 | |
| 1179 | if(cutBetheBloch == -4) |
| 1180 | { |
| 1181 | double par0 = 0.20; |
| 1182 | double par1 = 4.2; |
| 1183 | double par2 = 1000000; |
| 1184 | |
| 1185 | if(isMonteCarlo) |
| 1186 | { |
| 1187 | double beta2 = TMath::Power((pNeg2/TMath::Sqrt((pNeg2*pNeg2+par0*par0))),2); |
| 1188 | double gamma2 = 1.0/(1.0-beta2); |
| 1189 | if(negTrack->GetTPCsignal() > (par1/beta2)*(TMath::Log(par2*beta2*gamma2)-beta2) && TMath::Log10(pNeg2) > -0.6) |
| 1190 | {kshortCandidate = false;} |
| 1191 | |
| 1192 | beta2 = TMath::Power((pPos2/TMath::Sqrt((pPos2*pPos2+par0*par0))),2); |
| 1193 | gamma2 = 1.0/(1.0-beta2); |
| 1194 | if(posTrack->GetTPCsignal() > (par1/beta2)*(TMath::Log(par2*beta2*gamma2)-beta2) && TMath::Log10(pNeg2) > -0.6) |
| 1195 | {kshortCandidate = false;} |
| 1196 | } |
| 1197 | else |
| 1198 | { |
| 1199 | double beta2 = TMath::Power((pNeg2/TMath::Sqrt((pNeg2*pNeg2+par0*par0))),2); |
| 1200 | double gamma2 = 1.0/(1.0-beta2); |
| 1201 | if(negTrack->GetTPCsignal() > (par1/beta2)*(TMath::Log(par2*beta2*gamma2)-beta2) && TMath::Log10(pNeg2) > -0.6) |
| 1202 | {kshortCandidate = false;} |
| 1203 | |
| 1204 | beta2 = TMath::Power((pPos2/TMath::Sqrt((pPos2*pPos2+par0*par0))),2); |
| 1205 | gamma2 = 1.0/(1.0-beta2); |
| 1206 | if(posTrack->GetTPCsignal() > (par1/beta2)*(TMath::Log(par2*beta2*gamma2)-beta2) && TMath::Log10(pPos2) > -0.6) |
| 1207 | {kshortCandidate = false;} |
| 1208 | } |
| 1209 | } |
| 1210 | |
| 1211 | } |
| 1212 | } |
| 1213 | |
| 1214 | // Selection of random cuts which I've been playing with |
| 1215 | /*if(nImpactxy > 3 || pImpactxy > 2) |
| 1216 | { |
| 1217 | lambdaCandidate = false; |
| 1218 | }*/ |
| 1219 | |
| 1220 | /*if(nImpactxy < 0.4 || pImpactxy < 0.4 || nImpactxy > 2.5 || pImpactxy >2.5) |
| 1221 | { |
| 1222 | antilambdaCandidate = false; |
| 1223 | } */ |
| 1224 | |
| 1225 | //if(decayLength > 25 ) |
| 1226 | //{lambdaCandidate = false;} |
| 1227 | |
| 1228 | // Cuts to look at just lowpt region of lambdas |
| 1229 | if(v0->Pt() < 0.3 || v0->Pt() > 0.7 || !lambdaCandidate) |
| 1230 | {continue;} |
| 1231 | |
| 1232 | // cuts to just look at signal/background region of lambda mass |
| 1233 | //if(!((v0->GetEffMass(4,2) >= 1.096 && v0->GetEffMass(4,2) < 1.106) || (v0->GetEffMass(4,2) >= 1.126 && v0->GetEffMass(4,2) < 1.136) )) |
| 1234 | //if(!(v0->GetEffMass(4,2) >= 1.106 && v0->GetEffMass(4,2) < 1.126 )) |
| 1235 | //{continue;} |
| 1236 | /*********************************************************************/ |
| 1237 | |
| 1238 | /*********************************************************************/ |
| 1239 | // MONTE CARLO SECTION 2 |
| 1240 | // this section looks at the individual V0s |
| 1241 | |
| 1242 | bool mcLambdaCandidate = true; |
| 1243 | bool mcAntilambdaCandidate = true; |
| 1244 | bool mcK0Candidate = true; |
| 1245 | bool isPrimaryMC2 = false; |
| 1246 | bool realParticle = true; |
| 1247 | |
| 1248 | if(isMonteCarlo) |
| 1249 | { |
| 1250 | |
| 1251 | AliMCEvent *mcEvent = MCEvent(); |
| 1252 | AliStack* mcStack = mcEvent->Stack(); |
| 1253 | if( !mcStack ) { Printf( "Stack not available"); return; } |
| 1254 | |
| 1255 | TParticle *negParticle = mcStack->Particle( TMath::Abs(negTrack->GetLabel())); |
| 1256 | TParticle *posParticle = mcStack->Particle( TMath::Abs(posTrack->GetLabel())); |
| 1257 | |
| 1258 | Int_t negParticleMotherLabel = negParticle->GetFirstMother(); |
| 1259 | Int_t posParticleMotherLabel = posParticle->GetFirstMother(); |
| 1260 | |
| 1261 | if( negParticleMotherLabel == -1 || posParticleMotherLabel == -1) |
| 1262 | { |
| 1263 | realParticle = false; |
| 1264 | mcLambdaCandidate = false; |
| 1265 | mcAntilambdaCandidate = false; |
| 1266 | mcK0Candidate =false; |
| 1267 | } |
| 1268 | |
| 1269 | |
| 1270 | |
| 1271 | |
| 1272 | |
| 1273 | if( negParticleMotherLabel != posParticleMotherLabel) |
| 1274 | { |
| 1275 | mcLambdaCandidate = false; |
| 1276 | mcAntilambdaCandidate = false; |
| 1277 | mcK0Candidate =false; |
| 1278 | } |
| 1279 | |
| 1280 | if(realParticle == true) |
| 1281 | { |
| 1282 | AliMCParticle *mcPart2 = dynamic_cast<AliMCParticle *>(mcEvent->GetTrack(negParticleMotherLabel)); |
| 1283 | fHistMcTPCTrackLength->Fill(mcPart2->GetNumberOfTrackReferences()); |
| 1284 | Int_t firstDaughterLabel2 = mcPart2->GetFirstDaughter(); |
| 1285 | Int_t lastDaughterLabel2 = mcPart2->GetLastDaughter(); |
| 1286 | AliMCParticle *mcFirstDaughter2 = dynamic_cast<AliMCParticle *>(mcEvent->GetTrack(firstDaughterLabel2)); |
| 1287 | AliMCParticle *mcLastDaughter2 = dynamic_cast<AliMCParticle *>(mcEvent->GetTrack(lastDaughterLabel2)); |
| 1288 | fHistMcTPCTrackLength->Fill(mcFirstDaughter2->GetNumberOfTrackReferences()); |
| 1289 | fHistMcTPCTrackLength->Fill(mcLastDaughter2->GetNumberOfTrackReferences()); |
| 1290 | |
| 1291 | if(mcPart2->PdgCode() != kLambda0) |
| 1292 | {mcLambdaCandidate = false;} |
| 1293 | if(mcPart2->PdgCode() != kLambda0Bar) |
| 1294 | {mcAntilambdaCandidate = false;} |
| 1295 | if(mcPart2->PdgCode() != kK0Short) |
| 1296 | {mcK0Candidate =false;} |
| 1297 | |
| 1298 | if( mcEvent->IsPhysicalPrimary(negParticleMotherLabel) ) |
| 1299 | {isPrimaryMC2 = true;} |
| 1300 | |
| 1301 | Int_t motherMotherLabel2 = mcPart2->GetMother(); |
| 1302 | AliMCParticle *mcMotherMother2 = dynamic_cast<AliMCParticle *>(mcEvent->GetTrack(motherMotherLabel2)); |
| 1303 | if(motherMotherLabel2 >= 0) |
| 1304 | { |
| 1305 | if((mcMotherMother2->PdgCode() == 3212 && mcLambdaCandidate) || (mcMotherMother2->PdgCode() == -3212 && mcAntilambdaCandidate)) |
| 1306 | { |
| 1307 | if(mcEvent->IsPhysicalPrimary(motherMotherLabel2) ) |
| 1308 | {isPrimaryMC2 = true;} |
| 1309 | } |
| 1310 | } |
| 1311 | |
| 1312 | |
| 1313 | |
| 1314 | double mcRadius = TMath::Sqrt((mcPart2->Xv())*(mcPart2->Xv())+(mcPart2->Yv())*(mcPart2->Yv())); |
| 1315 | |
| 1316 | if(mcLambdaCandidate) |
| 1317 | { |
| 1318 | lambdaLabel[iV0] = negParticleMotherLabel; |
| 1319 | bool once = false; |
| 1320 | for(int j = 0; j < iV0; j++) |
| 1321 | { |
| 1322 | if(lambdaLabel[iV0] == lambdaLabel[j]) |
| 1323 | { |
| 1324 | if(!once) |
| 1325 | { |
| 1326 | fHistMcLog->Fill(6); |
| 1327 | once = true; |
| 1328 | } |
| 1329 | fHistMcLog->Fill(7); |
| 1330 | } |
| 1331 | } |
| 1332 | } |
| 1333 | |
| 1334 | if(mcLambdaCandidate && lambdaCandidate) |
| 1335 | { |
| 1336 | fHistMcPtV0La->Fill(v0->Pt()); |
| 1337 | fHistMcV0MLaPt->Fill(v0->Pt(),v0->GetEffMass(4,2)); |
| 1338 | } |
| 1339 | if(mcAntilambdaCandidate && antilambdaCandidate) |
| 1340 | { |
| 1341 | fHistMcPtV0Lb->Fill(v0->Pt()); |
| 1342 | fHistMcV0MLbPt->Fill(v0->Pt(),v0->GetEffMass(2,4)); |
| 1343 | } |
| 1344 | if(mcK0Candidate && kshortCandidate) |
| 1345 | { |
| 1346 | fHistMcPtV0K0->Fill(v0->Pt()); |
| 1347 | fHistMcV0MK0Pt->Fill(v0->Pt(),v0->GetEffMass(2,2)); |
| 1348 | } |
| 1349 | |
| 1350 | if(mcLambdaCandidate && isPrimaryMC2 && lambdaCandidate) |
| 1351 | {fHistMcLog->Fill(1);} |
| 1352 | if(mcLambdaCandidate && isPrimaryMC2 && !lambdaCandidate) |
| 1353 | {fHistMcLog->Fill(2);} |
| 1354 | if(mcLambdaCandidate && !isPrimaryMC2 && lambdaCandidate) |
| 1355 | { |
| 1356 | fHistMcLog->Fill(3); |
| 1357 | fHistMcV0IDLamdaSProductionVertex->Fill(mcPart2->Zv(),mcRadius); |
| 1358 | fHistMcV0LamdaSProductionVertex->Fill(mcPart2->Zv(),mcRadius); |
| 1359 | } |
| 1360 | if(mcLambdaCandidate && !isPrimaryMC2 && !lambdaCandidate) |
| 1361 | { |
| 1362 | fHistMcLog->Fill(4); |
| 1363 | fHistMcV0LamdaSProductionVertex->Fill(mcPart2->Zv(),mcRadius); |
| 1364 | } |
| 1365 | |
| 1366 | |
| 1367 | } |
| 1368 | |
| 1369 | |
| 1370 | |
| 1371 | AliMCParticle *posParticle2 = dynamic_cast<AliMCParticle *>(mcEvent->GetTrack(TMath::Abs(posTrack->GetLabel()))); |
| 1372 | AliMCParticle *negParticle2 = dynamic_cast<AliMCParticle *>(mcEvent->GetTrack(TMath::Abs(negTrack->GetLabel()))); |
| 1373 | |
| 1374 | if(posParticle2->PdgCode() == kProton) |
| 1375 | { |
| 1376 | fHistMcSigmaPProton->Fill(TMath::Abs(fPIDResponse->NumberOfSigmasTPC(posTrack, AliPID::kProton))); |
| 1377 | } |
| 1378 | if(posParticle2->PdgCode() != kProton) |
| 1379 | { |
| 1380 | fHistMcSigmaPNProton->Fill(TMath::Abs(fPIDResponse->NumberOfSigmasTPC(posTrack, AliPID::kProton))); |
| 1381 | } |
| 1382 | } |
| 1383 | |
| 1384 | // END OF MONTE CARLO SECTION 2 |
| 1385 | /*********************************************************************/ |
| 1386 | |
| 1387 | //remove all non-candidates |
| 1388 | if(lambdaCandidate == false && antilambdaCandidate == false && kshortCandidate == false) |
| 1389 | {continue;} |
| 1390 | |
| 1391 | |
| 1392 | //count number of valid v0s |
| 1393 | nV0s+=1; |
| 1394 | |
| 1395 | /*********************************************************************/ |
| 1396 | //This section fills histograms |
| 1397 | |
| 1398 | if(lambdaCandidate) |
| 1399 | { |
| 1400 | if((v0->GetEffMass(4,2) >= 1.096 && v0->GetEffMass(4,2) < 1.106) || (v0->GetEffMass(4,2) >= 1.126 && v0->GetEffMass(4,2) < 1.136) ) |
| 1401 | {fHistDCAPtPBg->Fill(v0->Pt(),nImpactxy);} |
| 1402 | if(v0->GetEffMass(4,2) >= 1.106 && v0->GetEffMass(4,2) < 1.126 ) |
| 1403 | {fHistDCAPtPSig->Fill(v0->Pt(),nImpactxy);} |
| 1404 | } |
| 1405 | |
| 1406 | if(antilambdaCandidate) |
| 1407 | { |
| 1408 | if((v0->GetEffMass(2,4) >= 1.096 && v0->GetEffMass(2,4) < 1.106) || (v0->GetEffMass(2,4) >= 1.126 && v0->GetEffMass(2,4) < 1.136) ) |
| 1409 | {fHistDCAPtPbarBg->Fill(v0->Pt(),pImpactxy);} |
| 1410 | if(v0->GetEffMass(2,4) >= 1.106 && v0->GetEffMass(2,4) < 1.126 ) |
| 1411 | {fHistDCAPtPbarSig->Fill(v0->Pt(),pImpactxy);} |
| 1412 | } |
| 1413 | |
| 1414 | |
| 1415 | |
| 1416 | fHistEtaPTracks->Fill(posTrack->Eta()); |
| 1417 | fHistEtaNTracks->Fill(negTrack->Eta()); |
| 1418 | fHistEtaV0s->Fill(v0->Eta()); |
| 1419 | |
| 1420 | |
| 1421 | if(lambdaCandidate) |
| 1422 | { |
| 1423 | double laMass = v0->GetEffMass(4,2); |
| 1424 | |
| 1425 | if((laMass > 1.096 && laMass < 1.106) || (laMass > 1.126 && laMass < 1.136) ) |
| 1426 | { |
| 1427 | fHistLambdaBgRapidity->Fill(v0->Y(3122)); |
| 1428 | fHistLambdaBgEta->Fill(v0->Eta()); |
| 1429 | fHistLambdaBgPt->Fill(v0->Pt()); |
| 1430 | } |
| 1431 | if(laMass > 1.106 && laMass < 1.126 ) |
| 1432 | { |
| 1433 | fHistLambdaSigRapidity->Fill(v0->Y(3122)); |
| 1434 | fHistLambdaSigEta->Fill(v0->Eta()); |
| 1435 | fHistLambdaSigPt->Fill(v0->Pt()); |
| 1436 | } |
| 1437 | |
| 1438 | fHistNTPCPosClustersMLa->Fill((posTrack->GetTPCNcls()),(v0->GetEffMass(4,2))); |
| 1439 | fHistNTPCNegClustersMLa->Fill((negTrack->GetTPCNcls()),(v0->GetEffMass(4,2))); |
| 1440 | fHistPosChi2PerClusterMLa->Fill((posTrack->GetTPCchi2())/(posTrack->GetTPCNcls()),(v0->GetEffMass(4,2))); |
| 1441 | fHistNegChi2PerClusterMLa->Fill((negTrack->GetTPCchi2())/(negTrack->GetTPCNcls()),(v0->GetEffMass(4,2))); |
| 1442 | if((posTrack->GetKinkIndex(0) <= 0) && (negTrack->GetKinkIndex(0) <= 0)) |
| 1443 | {fHistKinkIndexFalse->Fill((v0->GetEffMass(4,2)));} |
| 1444 | else |
| 1445 | {fHistKinkIndexTrue->Fill((v0->GetEffMass(4,2)));} |
| 1446 | UInt_t status = posTrack->GetStatus(); |
| 1447 | fHistPosTPCRefitMLa->Fill((status&AliESDtrack::kTPCrefit),(v0->GetEffMass(4,2))); |
| 1448 | status = negTrack->GetStatus(); |
| 1449 | fHistNegTPCRefitMLa->Fill((status&AliESDtrack::kTPCrefit),(v0->GetEffMass(4,2))); |
| 1450 | } |
| 1451 | |
| 1452 | fHistDCAV0Daughters->Fill(v0->GetDcaV0Daughters()); |
| 1453 | fHistDecayLDCA->Fill(decayLength,v0->GetDcaV0Daughters()); |
| 1454 | |
| 1455 | fHistCosPA->Fill(v0->GetV0CosineOfPointingAngle(tPVPosition[0],tPVPosition[1],tPVPosition[2])); |
| 1456 | fHistDecayL->Fill(decayLength); |
| 1457 | fHistDecayLxy->Fill(sqrt((tV0Position[0]-tPVPosition[0])*(tV0Position[0]-tPVPosition[0])+(tV0Position[1]-tPVPosition[1])*(tV0Position[1]-tPVPosition[1]))); |
| 1458 | fHistTauLa->Fill(cTauLa); |
| 1459 | if(lambdaCandidate) |
| 1460 | { |
| 1461 | fHistCosPAMLa->Fill(v0->GetV0CosineOfPointingAngle(tPVPosition[0],tPVPosition[1],tPVPosition[2]),(v0->GetEffMass(4,2))); |
| 1462 | fHistDecayLMLa->Fill(decayLength,(v0->GetEffMass(4,2))); |
| 1463 | fHistTauLaMLa->Fill(cTauLa,(v0->GetEffMass(4,2))); |
| 1464 | } |
| 1465 | |
| 1466 | |
| 1467 | {fHistBetheBlochTPCPos->Fill(TMath::Log10(pPos2),posTrack->GetTPCsignal()); } |
| 1468 | {fHistBetheBlochTPCNeg->Fill(TMath::Log10(pNeg2),negTrack->GetTPCsignal());} |
| 1469 | |
| 1470 | fHistBetheBlochITSPos->Fill(TMath::Log10(pPos2),posTrack->GetITSsignal()); |
| 1471 | fHistBetheBlochITSNeg->Fill(TMath::Log10(pNeg2),negTrack->GetITSsignal()); |
| 1472 | |
| 1473 | fHistImpactxyN->Fill(nImpactxy); |
| 1474 | fHistImpactzN->Fill(nImpactz); |
| 1475 | fHistImpactxyP->Fill(pImpactxy); |
| 1476 | fHistImpactzP->Fill(pImpactz); |
| 1477 | |
| 1478 | if(lambdaCandidate) |
| 1479 | { |
| 1480 | fHistImpactxyMLa->Fill(nImpactxy,v0->GetEffMass(4,2)); |
| 1481 | fHistImpactzMLa->Fill(nImpactz,v0->GetEffMass(4,2)); |
| 1482 | } |
| 1483 | fHistImpactxyImpactz->Fill(nImpactxy,nImpactz); |
| 1484 | |
| 1485 | fHistV0Z->Fill(tV0Position[2]); |
| 1486 | fHistZ->Fill(tV0Position[2]-tPVPosition[2]); |
| 1487 | fHistPtArmR->Fill(radius,v0->PtArmV0()); |
| 1488 | |
| 1489 | fHistRZ->Fill(tV0Position[2],radius); |
| 1490 | fHistPtV0Z->Fill(v0->Pt(),tV0Position[2]); |
| 1491 | |
| 1492 | fHistPtArm->Fill(v0->AlphaV0(),v0->PtArmV0()); |
| 1493 | fHistXZ->Fill(tV0Position[2],tV0Position[0]); |
| 1494 | fHistYZ->Fill(tV0Position[2],tV0Position[1]); |
| 1495 | fHistPtArmR->Fill(radius,v0->PtArmV0()); |
| 1496 | fHistPtV0->Fill(v0->Pt()); |
| 1497 | |
| 1498 | //effective mass histograms |
| 1499 | |
| 1500 | //sets assumed particle type of pos/neg daughters. |
| 1501 | // 0 = electron, 1 = Muon, 2 = pion, 3 = kaon, 4 = proton. |
| 1502 | int dPos = 0; |
| 1503 | int dNeg = 0; |
| 1504 | |
| 1505 | // v0->ChangeMassHypothesis(kLambda0); |
| 1506 | dPos = 4; |
| 1507 | dNeg = 2; |
| 1508 | if(v0->GetEffMass(dPos,dNeg) > 1.11 && v0->GetEffMass(dPos,dNeg) < 1.13) |
| 1509 | { |
| 1510 | if(!(v0->GetOnFlyStatus())) |
| 1511 | { |
| 1512 | nLambda++; |
| 1513 | } |
| 1514 | } |
| 1515 | if(lambdaCandidate) |
| 1516 | { |
| 1517 | fHistMLa->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1518 | fHistMLaR->Fill(radius,v0->GetEffMass(dPos,dNeg)); |
| 1519 | fHistMLaPtArm->Fill(v0->PtArmV0(),v0->GetEffMass(dPos,dNeg)); |
| 1520 | fHistMLaPt->Fill(v0->Pt(),v0->GetEffMass(dPos,dNeg)); |
| 1521 | } |
| 1522 | |
| 1523 | // v0->ChangeMassHypothesis(kK0Short); |
| 1524 | dPos = 2; |
| 1525 | dNeg = 2; |
| 1526 | if(kshortCandidate) |
| 1527 | { |
| 1528 | fHistMK0->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1529 | fHistMK0R->Fill(radius,v0->GetEffMass(dPos,dNeg)); |
| 1530 | fHistMK0PtArm->Fill(v0->PtArmV0(),v0->GetEffMass(dPos,dNeg)); |
| 1531 | fHistMK0Pt->Fill(v0->Pt(),v0->GetEffMass(dPos,dNeg)); |
| 1532 | } |
| 1533 | // v0->ChangeMassHypothesis(kLambda0Bar); |
| 1534 | dPos = 2; |
| 1535 | dNeg = 4; |
| 1536 | if(antilambdaCandidate) |
| 1537 | { |
| 1538 | fHistMLb->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1539 | fHistMLbR->Fill(radius,v0->GetEffMass(dPos,dNeg)); |
| 1540 | fHistMLbPtArm->Fill(v0->PtArmV0(),v0->GetEffMass(dPos,dNeg)); |
| 1541 | fHistMLbPt->Fill(v0->Pt(),v0->GetEffMass(dPos,dNeg)); |
| 1542 | } |
| 1543 | |
| 1544 | float binMin = 0.20; |
| 1545 | float binWidth = 0.35; |
| 1546 | |
| 1547 | // v0->ChangeMassHypothesis(kLambda0); |
| 1548 | |
| 1549 | if(lambdaCandidate) |
| 1550 | { |
| 1551 | dPos = 4; |
| 1552 | dNeg = 2; |
| 1553 | if((v0->Pt()) < binMin || (v0->Pt())>= (binMin + 10*binWidth)) |
| 1554 | continue; |
| 1555 | else if((v0->Pt()) >= binMin && (v0->Pt())< (binMin + 1*binWidth)) |
| 1556 | fHistMLa0->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1557 | else if((v0->Pt()) >= binMin && (v0->Pt())< (binMin + 2*binWidth)) |
| 1558 | fHistMLa1->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1559 | else if((v0->Pt()) >= binMin && (v0->Pt())< (binMin + 3*binWidth)) |
| 1560 | fHistMLa2->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1561 | else if((v0->Pt()) >= binMin && (v0->Pt())< (binMin + 4*binWidth)) |
| 1562 | fHistMLa3->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1563 | else if((v0->Pt()) >= binMin && (v0->Pt())< (binMin + 5*binWidth)) |
| 1564 | fHistMLa4->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1565 | else if((v0->Pt()) >= binMin && (v0->Pt())< (binMin + 6*binWidth)) |
| 1566 | fHistMLa5->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1567 | else if((v0->Pt()) >= binMin && (v0->Pt())< (binMin + 7*binWidth)) |
| 1568 | fHistMLa6->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1569 | else if((v0->Pt()) >= binMin && (v0->Pt())< (binMin + 8*binWidth)) |
| 1570 | fHistMLa7->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1571 | else if((v0->Pt()) >= binMin && (v0->Pt())< (binMin + 9*binWidth)) |
| 1572 | fHistMLa8->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1573 | else if((v0->Pt()) >= binMin && (v0->Pt())< (binMin + 10*binWidth)) |
| 1574 | fHistMLa9->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1575 | } |
| 1576 | // v0->ChangeMassHypothesis(kLambda0Bar); |
| 1577 | |
| 1578 | if(antilambdaCandidate) |
| 1579 | { |
| 1580 | dPos = 2; |
| 1581 | dNeg = 4; |
| 1582 | if((v0->Pt()) < binMin || (v0->Pt())>= (binMin + 10*binWidth)) |
| 1583 | continue; |
| 1584 | else if((v0->Pt()) >= binMin && (v0->Pt())< (binMin + 1*binWidth)) |
| 1585 | fHistMLb0->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1586 | else if((v0->Pt()) >= binMin && (v0->Pt())< (binMin + 2*binWidth)) |
| 1587 | fHistMLb1->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1588 | else if((v0->Pt()) >= binMin && (v0->Pt())< (binMin + 3*binWidth)) |
| 1589 | fHistMLb2->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1590 | else if((v0->Pt()) >= binMin && (v0->Pt())< (binMin + 4*binWidth)) |
| 1591 | fHistMLb3->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1592 | else if((v0->Pt()) >= binMin && (v0->Pt())< (binMin + 5*binWidth)) |
| 1593 | fHistMLb4->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1594 | else if((v0->Pt()) >= binMin && (v0->Pt())< (binMin + 6*binWidth)) |
| 1595 | fHistMLb5->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1596 | else if((v0->Pt()) >= binMin && (v0->Pt())< (binMin + 7*binWidth)) |
| 1597 | fHistMLb6->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1598 | else if((v0->Pt()) >= binMin && (v0->Pt())< (binMin + 8*binWidth)) |
| 1599 | fHistMLb7->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1600 | else if((v0->Pt()) >= binMin && (v0->Pt())< (binMin + 9*binWidth)) |
| 1601 | fHistMLb8->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1602 | else if((v0->Pt()) >= binMin && (v0->Pt())< (binMin + 10*binWidth)) |
| 1603 | fHistMLb9->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1604 | } |
| 1605 | |
| 1606 | if(kshortCandidate) |
| 1607 | { |
| 1608 | dPos = 2; |
| 1609 | dNeg = 2; |
| 1610 | if((v0->Pt()) < binMin || (v0->Pt())>= (binMin + 10*binWidth)) |
| 1611 | continue; |
| 1612 | else if((v0->Pt()) >= binMin && (v0->Pt())< (binMin + 1*binWidth)) |
| 1613 | fHistMK00->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1614 | else if((v0->Pt()) >= binMin && (v0->Pt())< (binMin + 2*binWidth)) |
| 1615 | fHistMK01->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1616 | else if((v0->Pt()) >= binMin && (v0->Pt())< (binMin + 3*binWidth)) |
| 1617 | fHistMK02->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1618 | else if((v0->Pt()) >= binMin && (v0->Pt())< (binMin + 4*binWidth)) |
| 1619 | fHistMK03->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1620 | else if((v0->Pt()) >= binMin && (v0->Pt())< (binMin + 5*binWidth)) |
| 1621 | fHistMK04->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1622 | else if((v0->Pt()) >= binMin && (v0->Pt())< (binMin + 6*binWidth)) |
| 1623 | fHistMK05->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1624 | else if((v0->Pt()) >= binMin && (v0->Pt())< (binMin + 7*binWidth)) |
| 1625 | fHistMK06->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1626 | else if((v0->Pt()) >= binMin && (v0->Pt())< (binMin + 8*binWidth)) |
| 1627 | fHistMK07->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1628 | else if((v0->Pt()) >= binMin && (v0->Pt())< (binMin + 9*binWidth)) |
| 1629 | fHistMK08->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1630 | else if((v0->Pt()) >= binMin && (v0->Pt())< (binMin + 10*binWidth)) |
| 1631 | fHistMK09->Fill(v0->GetEffMass(dPos,dNeg)); |
| 1632 | } |
| 1633 | |
| 1634 | } |
| 1635 | |
| 1636 | // track loop, runs over all tracks in event |
| 1637 | int nTracks = 0; |
| 1638 | for (Int_t iTrack=0; iTrack < fESD->GetNumberOfTracks(); iTrack++) |
| 1639 | { |
| 1640 | |
| 1641 | AliESDtrack* track=fESD->GetTrack(iTrack); |
| 1642 | //Float_t xy=0; |
| 1643 | //Float_t z=0; |
| 1644 | //track->GetImpactParameters(xy,z); |
| 1645 | //&&(xy<1.0)&&(z<1.0)) |
| 1646 | if ( !fTrackCuts->IsSelected(track)) |
| 1647 | {continue;} |
| 1648 | if (cutEta != -999 && TMath::Abs(track->Eta()) > cutEta) |
| 1649 | {continue;} |
| 1650 | |
| 1651 | nTracks += 1; |
| 1652 | fHistEta->Fill(track->Eta()); |
| 1653 | |
| 1654 | } |
| 1655 | |
| 1656 | fHistPVZ->Fill(tPVPosition[2]); |
| 1657 | fHistNV0->Fill(nV0s); |
| 1658 | fHistNTracks->Fill(nTracks); |
| 1659 | fHistNV0sNTracks->Fill(nTracks*nTracks,nV0s); |
| 1660 | fHistdNV0sdT2->Fill( (1.0*nV0s)/(nTracks*nTracks)); |
| 1661 | fHistMagneticField->Fill(fESD->GetMagneticField()); |
| 1662 | fHistNLambda->Fill(nLambda); |
| 1663 | |
| 1664 | |
| 1665 | fHistLuke->Fill(3); // test histogram |
| 1666 | // NEW HISTO should be filled before this point, as PostData puts the |
| 1667 | // information for this iteration of the UserExec in the container |
| 1668 | PostData(1, fOutputList); |
| 1669 | } |
| 1670 | |
| 1671 | |
| 1672 | //________________________________________________________________________ |
| 1673 | void AliAnalysisTaskLukeV0::Terminate(Option_t *) |
| 1674 | { |
| 1675 | // Draw result to screen, or perform fitting, normalizations |
| 1676 | // Called once at the end of the query |
| 1677 | |
| 1678 | fOutputList = dynamic_cast<TList*> (GetOutputData(1)); |
| 1679 | if(!fOutputList) { Printf("ERROR: could not retrieve TList fOutputList"); return; } |
| 1680 | |
| 1681 | } |
git://git.uio.no / u / mrichter / AliRoot.git / blame