1 /**************************************************************************
2 * Copyright(c) 2007-2009, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
16 #include "AliITSRecoParam.h"
17 #include "AliESDV0Params.h"
22 ///////////////////////////////////////////////////////////////////////////////
24 // Class with ITS reconstruction parameters //
25 // Origin: andrea.dainese@lnl.infn.it //
27 ///////////////////////////////////////////////////////////////////////////////
31 ClassImp(AliITSRecoParam)
33 const Int_t AliITSRecoParam::fgkLayersNotToSkip[AliITSgeomTGeo::kNLayers]={0,0,0,0,0,0};
34 const Double_t AliITSRecoParam::fgkrInsideShield[2]={7.5,25.0};
35 const Double_t AliITSRecoParam::fgkrOutsideShield[2]={10.5,30.0};
36 const Double_t AliITSRecoParam::fgkdshield[2]={0.0097,0.0034};
37 const Double_t AliITSRecoParam::fgkX0shield[2]={38.6,42.0};
39 //_____________________________________________________________________________
40 AliITSRecoParam::AliITSRecoParam() : AliDetectorRecoParam(),
48 fVtxr3DZCutNarrow(0.),
49 fVtxr3DRCutNarrow(0.),
50 fVtxr3DPhiCutLoose(0.),
51 fVtxr3DPhiCutTight(0.),
55 fNSigmaYLayerForRoadY(0),
57 fNSigmaZLayerForRoadZ(0),
64 fMaxNormChi2NonCForHypothesis(0),
69 fSearchForExtras(kTRUE),
78 fMaxDZToUseConstraint(0),
79 fMaxDforV0dghtrForProlongation(0),
80 fMaxDForProlongation(0),
81 fMaxDZForProlongation(0),
82 fMinPtForProlongation(0),
83 fAddVirtualClustersInDeadZone(kFALSE),
85 fSigmaXDeadZoneHit2(0),
86 fSigmaZDeadZoneHit2(0),
87 fXPassDeadZoneHits(0),
88 fSkipSubdetsNotInTriggerCluster(kTRUE),
91 fAllowSharedClusters(kTRUE),
92 fClusterErrorsParam(1),
93 fComputePlaneEff(kFALSE),
94 fHistoPlaneEff(kFALSE),
95 fUseTrackletsPlaneEff(kFALSE),
96 fMCTrackletsPlaneEff(kFALSE),
97 fBkgTrackletsPlaneEff(kFALSE),
98 fTrackleterPhiWindowL1(0.10),
99 fTrackleterPhiWindowL2(0.07),
100 fTrackleterZetaWindowL1(0.6),
101 fTrackleterZetaWindowL2(0.4),
102 fUpdateOncePerEventPlaneEff(kTRUE),
103 fMinContVtxPlaneEff(3),
105 fReadPlaneEffFromOCDB(kFALSE),
107 fMaxMissingClustersPlaneEff(5),
108 fMaxMissingClustersOutPlaneEff(5),
109 fRequireClusterInOuterLayerPlaneEff(kFALSE),
110 fRequireClusterInInnerLayerPlaneEff(kFALSE),
111 fOnlyConstraintPlaneEff(kFALSE),
112 fNSigXFromBoundaryPlaneEff(1.),
113 fNSigZFromBoundaryPlaneEff(1.),
114 fImproveWithVertex(kFALSE),
115 fExtendedEtaAcceptance(kFALSE),
116 fUseBadZonesFromOCDB(kTRUE),
117 fUseSingleBadChannelsFromOCDB(kFALSE),
118 fMinFractionOfBadInRoad(0),
119 fAllowProlongationWithEmptyRoad(kFALSE),
120 fInwardFlagSA(kFALSE),
121 fOuterStartLayerSA(2),
122 fInnerStartLayerSA(3),
124 fFactorSAWindowSizes(1.),
130 fMinClusterChargeSA(0.),
131 fSAOnePointTracks(kFALSE),
132 fSAUseAllClusters(kFALSE),
133 fMaxSPDcontrForSAToUseAllClusters(1000000),
134 fSAUsedEdxInfo(kFALSE),
135 fSelectBestMIP03(kFALSE),
137 fUseImproveKalman(kFALSE),
139 fStoreLikeSignV0s(kFALSE),
140 fUseUnfoldingInClusterFinderSPD(kFALSE),
141 fUseUnfoldingInClusterFinderSDD(kTRUE),
142 fUseUnfoldingInClusterFinderSSD(kFALSE),
143 fUseBadChannelsInClusterFinderSSD(kFALSE),
144 fUseSDDCorrectionMaps(kTRUE),
145 fUseSDDClusterSizeSelection(kFALSE),
146 fMinClusterChargeSDD(0.),
147 fUseChargeMatchingInClusterFinderSSD(kTRUE),
148 fTrackleterPhiWindow(0.08),
149 fTrackleterThetaWindow(0.025),
150 fTrackleterPhiShift(0.0045),
151 fTrackleterRemoveClustersFromOverlaps(kFALSE),
152 fTrackleterPhiOverlapCut(0.005),
153 fTrackleterZetaOverlapCut(0.05),
154 fTrackleterPhiRotationAngle(0.0),
155 fTrackleterNStdDev(1.5),
156 fScaleDTBySin2T(kFALSE),
157 fUseCosmicRunShiftsSSD(kFALSE),
158 fSPDRemoveNoisyFlag(kTRUE),
159 fSPDRemoveDeadFlag(kTRUE),
160 fVertexerFastSmearX(0.005),
161 fVertexerFastSmearY(0.005),
162 fVertexerFastSmearZ(0.01),
163 fAlignFilterCosmics(kFALSE),
164 fAlignFilterCosmicMergeTracks(kTRUE),
165 fAlignFilterMinITSPoints(4),
166 fAlignFilterMinITSPointsMerged(4),
167 fAlignFilterOnlyITSSATracks(kTRUE),
168 fAlignFilterOnlyITSTPCTracks(kFALSE),
169 fAlignFilterSkipExtra(kFALSE),
170 fAlignFilterMaxMatchingAngle(0.085),
171 fAlignFilterMinAngleWrtModulePlanes(0.52),
172 fAlignFilterMinPt(0.),
173 fAlignFilterMaxPt(1.e10),
174 fAlignFilterFillQANtuples(kTRUE),
176 fMultCutPxDrSPDin(0.1),
177 fMultCutPxDrSPDout(0.15),
180 fMultCutMinElectronProbTPC(0.5),
181 fMultCutMinElectronProbESD(0.1),
183 fMultCutMinRGamma(2.),
185 fMultCutMinPointAngle(0.98),
186 fMultCutMaxDCADauther(0.5),
187 fMultCutMassGamma(0.03),
188 fMultCutMassGammaNSigma(5.),
189 fMultCutMassK0(0.03),
190 fMultCutMassK0NSigma(5.),
191 fMultCutChi2cGamma(2.),
193 fMultCutGammaSFromDecay(-10.),
194 fMultCutK0SFromDecay(-10.),
197 fCorrectLorentzAngleSPD(kTRUE),
198 fTanLorentzAngleHolesSPD(0.017455), // tan(1 degree)
199 fCorrectLorentzAngleSSD(kTRUE),
200 fTanLorentzAngleHolesSSD(0.016), // tan(0.94 degrees)
201 fTanLorentzAngleElectronsSSD(0.068), // tan(3.98 degrees)
211 SetLayersParameters();
212 for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) fLayersToSkip[i]=0;
213 SetUseTGeoInTracker(3);
215 SetAllowSharedClusters(kTRUE);
217 SetAddVirtualClustersInDeadZone(kFALSE);
218 SetUseAmplitudeInfo(kTRUE);
219 SetClusterErrorsParam(1);
220 SetClusterMisalError(0.);
221 SetClusterMisalErrorBOn(0.);
222 SetVertexer3DDefaults();
224 for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) fAlignFilterUseLayer[i]=kTRUE;
225 fESDV0Params = new AliESDV0Params();
227 fESDV0Params->SetMaxDist0(0.1);
228 fESDV0Params->SetMaxDist1(0.1);
229 fESDV0Params->SetMaxDist(1.);
230 fESDV0Params->SetMinPointAngle(0.85);
231 fESDV0Params->SetMinPointAngle2(0.99);
232 fESDV0Params->SetMinR(0.5);
233 fESDV0Params->SetMaxR(220.);
234 fESDV0Params->SetMinPABestConst(0.9999);
235 fESDV0Params->SetMaxRBestConst(10.);
236 fESDV0Params->SetCausality0Cut(0.19);
237 fESDV0Params->SetLikelihood01Cut(0.45);
238 fESDV0Params->SetLikelihood1Cut(0.5);
239 fESDV0Params->SetCombinedCut(0.55);
240 fESDV0Params->SetMinClFullTrk(5.0);
241 fESDV0Params->SetMinTgl0(1.05);
242 fESDV0Params->SetMinRTgl0(40.0);
244 fESDV0Params->SetMinNormDistForbTgl0(3.0);
245 fESDV0Params->SetMinClForb0(4.5);
246 fESDV0Params->SetMinNormDistForb1(3.0);
247 fESDV0Params->SetMinNormDistForb2(2.0);
248 fESDV0Params->SetMinNormDistForb3(1.0);
249 fESDV0Params->SetMinNormDistForb4(4.0);
250 fESDV0Params->SetMinNormDistForb5(5.0);
251 fESDV0Params->SetMinNormDistForbProt(2.0);
252 fESDV0Params->SetMaxPidProbPionForb(0.5);
254 fESDV0Params->SetMinRTPCdensity(40.);
255 fESDV0Params->SetMaxRTPCdensity0(110.);
256 fESDV0Params->SetMaxRTPCdensity10(120.);
257 fESDV0Params->SetMaxRTPCdensity20(130.);
258 fESDV0Params->SetMaxRTPCdensity30(140.);
260 fESDV0Params->SetMinTPCdensity(0.6);
261 fESDV0Params->SetMinTgl1(1.1);
262 fESDV0Params->SetMinTgl2(1.0);
263 fESDV0Params->SetMinchi2before0(16.);
264 fESDV0Params->SetMinchi2before1(16.);
265 fESDV0Params->SetMinchi2after0(16.);
266 fESDV0Params->SetMinchi2after1(16.);
267 fESDV0Params->SetAddchi2SharedCl(18.);
268 fESDV0Params->SetAddchi2NegCl0(25.);
269 fESDV0Params->SetAddchi2NegCl1(30.);
270 fESDV0Params->SetSigp0Par0(0.0001);
271 fESDV0Params->SetSigp0Par1(0.001);
272 fESDV0Params->SetSigp0Par2(0.1);
273 fESDV0Params->SetSigpPar0(0.5);
274 fESDV0Params->SetSigpPar1(0.6);
275 fESDV0Params->SetSigpPar2(0.4);
276 fESDV0Params->SetMaxDcaLh0(0.5);
277 fESDV0Params->SetStreamLevel(0);
278 fESDV0Params->SetChi2KF(100);
279 fESDV0Params->SetRobustChi2KF(100);
282 //_____________________________________________________________________________
283 AliITSRecoParam::~AliITSRecoParam()
293 //_____________________________________________________________________________
294 AliITSRecoParam *AliITSRecoParam::GetHighFluxParam()
297 // make default reconstruction parameters for hig flux env.
299 AliITSRecoParam *param = new AliITSRecoParam();
300 param->SetVertexer3DDefaults();
301 param->SetSPDVertexerPileupAlgoOff();
302 // use of bads from OCDB
303 param->SetUseBadZonesFromOCDB(kTRUE);
304 param->SetUseSingleBadChannelsFromOCDB(kFALSE);
305 // use pointing to vertex during prolongation
306 param->SetImproveWithVertex(kTRUE);
307 // extended eta acceptance
308 param->SetExtendedEtaAcceptance(kFALSE);
309 // allow to skip layer if no cluster and no bad
310 param->SetAllowProlongationWithEmptyRoad(kFALSE);
312 param->SetEventSpecie(AliRecoParam::kHighMult);
314 param->fMaxSnp = 0.95;
316 param->fNSigmaYLayerForRoadY = 4.;
317 param->fNSigmaRoadY = 7.5;
318 param->fNSigmaZLayerForRoadZ = 4.;
319 param->fNSigmaRoadZ = 7.5;
321 param->fNSigma2RoadZC = 60.; //7.75^2
322 param->fNSigma2RoadYC = 60.; //7.75^2
323 param->fNSigma2RoadZNonC = 50.; //7.07^2
324 param->fNSigma2RoadYNonC = 50.; //7.07^2
326 param->fMaxChi2PerCluster[0] = 11.; //7
327 param->fMaxChi2PerCluster[1] = 12.; //5
328 param->fMaxChi2PerCluster[2] = 12.; //8
329 param->fMaxChi2PerCluster[3] = 5.; //8
330 param->fMaxChi2PerCluster[4] = 12.; //6.5
332 param->fMaxNormChi2NonC[0] = 7.;
333 param->fMaxNormChi2NonC[1] = 8.;
334 param->fMaxNormChi2NonC[2] = 8.;
335 param->fMaxNormChi2NonC[3] = 11.;
336 param->fMaxNormChi2NonC[4] = 14.;
337 param->fMaxNormChi2NonC[5] = 25.;
339 param->fMaxNormChi2C[0] = 11.;
340 param->fMaxNormChi2C[1] = 13.;
341 param->fMaxNormChi2C[2] = 15.;
342 param->fMaxNormChi2C[3] = 18.;
343 param->fMaxNormChi2C[4] = 30.;
344 param->fMaxNormChi2C[5] = 35.;
346 param->fMaxNormChi2NonCForHypothesis = 7.;
348 param->fMaxChi2 = 35.;
350 param->fMaxChi2s[0] = 25.; //40
351 param->fMaxChi2s[1] = 25.; //40
352 param->fMaxChi2s[2] = 25.; //40
353 param->fMaxChi2s[3] = 25.; //40
354 param->fMaxChi2s[4] = 40.; //40
355 param->fMaxChi2s[5] = 50.; //40
357 param->fMaxRoad = 6.;
360 param->fMaxChi2In = 16.;
362 param->fMaxChi2sR[0] = 10.;
363 param->fMaxChi2sR[1] = 10.;
364 param->fMaxChi2sR[2] = 10.;
365 param->fMaxChi2sR[3] = 10.;
366 param->fMaxChi2sR[4] = 30.;
367 param->fMaxChi2sR[5] = 40.;
370 param->fChi2PerCluster = 9.;
372 param->fSearchForExtras = kFALSE;
377 param->fSigmaXV = 0.0050;
378 param->fSigmaYV = 0.0050;
379 param->fSigmaZV = 0.0100;
381 param->fVertexCut = 25.;
383 param->fMaxDZforPrimTrk = 0.4;
384 param->fMaxDZToUseConstraint = 3.;
386 param->fMaxDforV0dghtrForProlongation = 30.;
387 param->fMaxDForProlongation = 40.;//10.;
388 param->fMaxDZForProlongation = 60.;//20.;
389 param->fMinPtForProlongation = 0.120;
391 param->fZWindowDeadZone = 2.0;
392 param->fSigmaXDeadZoneHit2 = 0.004/12.;
393 param->fSigmaZDeadZoneHit2 = 0.001/12.;
394 param->fXPassDeadZoneHits = 0.018;
397 param->fMultCutPxDrSPDin = 0.1;
398 param->fMultCutPxDrSPDout = 0.15;
399 param->fMultCutPxDz = 0.2;
400 param->fMultCutDCArz = 0.5;
401 param->fMultCutMinElectronProbTPC = 0.5;
402 param->fMultCutMinElectronProbESD = 0.1;
403 param->fMultCutMinP = 0.05;
404 param->fMultCutMinRGamma = 2.;
405 param->fMultCutMinRK0 = 1.;
406 param->fMultCutMinPointAngle = 0.98;
407 param->fMultCutMaxDCADauther = 0.5;
408 param->fMultCutMassGamma = 0.03;
409 param->fMultCutMassGammaNSigma = 5.;
410 param->fMultCutMassK0 = 0.03;
411 param->fMultCutMassK0NSigma = 5.;
412 param->fMultCutChi2cGamma = 2.;
413 param->fMultCutChi2cK0 = 2.;
414 param->fMultCutGammaSFromDecay = -10.;
415 param->fMultCutK0SFromDecay = -10.;
416 param->fMultCutMaxDCA = 1.;
419 param->fTrackleterPhiWindow = 0.06;
420 param->fScaleDTBySin2T = kTRUE;
422 param->fSelectBestMIP03 = kFALSE;//kTRUE;
423 param->fFlagFakes = kTRUE;
424 param->fUseImproveKalman= kFALSE;
428 //_____________________________________________________________________________
429 AliITSRecoParam *AliITSRecoParam::GetLowFluxParam()
432 // make default reconstruction parameters for low flux env.
434 AliITSRecoParam *param = new AliITSRecoParam();
435 param->SetVertexer3DDefaults();
437 // full use of bads from OCDB
438 param->SetUseBadZonesFromOCDB(kTRUE);
439 param->SetUseSingleBadChannelsFromOCDB(kTRUE);
440 // extended eta acceptance
441 param->SetExtendedEtaAcceptance(kTRUE);
442 // allow to skip layer if no cluster and no bad
443 param->SetAllowProlongationWithEmptyRoad(kTRUE);
445 param->SetEventSpecie(AliRecoParam::kLowMult);
447 param->fMaxSnp = 0.95;
449 param->fNSigmaYLayerForRoadY = 4.;
450 param->fNSigmaRoadY = 7.5;
451 param->fNSigmaZLayerForRoadZ = 4.;
452 param->fNSigmaRoadZ = 7.5;
454 param->fNSigma2RoadZC = 60.; //7.75^2
455 param->fNSigma2RoadYC = 60.; //7.75^2
456 param->fNSigma2RoadZNonC = 50.; //7.07^2
457 param->fNSigma2RoadYNonC = 50.; //7.07^2
459 param->fMaxChi2PerCluster[0] = 11.; //7
460 param->fMaxChi2PerCluster[1] = 12.; //5
461 param->fMaxChi2PerCluster[2] = 12.; //8
462 param->fMaxChi2PerCluster[3] = 5.; //8
463 param->fMaxChi2PerCluster[4] = 12.; //6.5
465 param->fMaxNormChi2NonC[0] = 7.;
466 param->fMaxNormChi2NonC[1] = 8.;
467 param->fMaxNormChi2NonC[2] = 8.;
468 param->fMaxNormChi2NonC[3] = 11.;
469 param->fMaxNormChi2NonC[4] = 14.;
470 param->fMaxNormChi2NonC[5] = 25.;
472 param->fMaxNormChi2C[0] = 11.;
473 param->fMaxNormChi2C[1] = 13.;
474 param->fMaxNormChi2C[2] = 15.;
475 param->fMaxNormChi2C[3] = 18.;
476 param->fMaxNormChi2C[4] = 30.;
477 param->fMaxNormChi2C[5] = 35.;
479 param->fMaxNormChi2NonCForHypothesis = 7.;
481 param->fMaxChi2 = 35.;
483 param->fMaxChi2s[0] = 25.; //40
484 param->fMaxChi2s[1] = 25.; //40
485 param->fMaxChi2s[2] = 25.; //40
486 param->fMaxChi2s[3] = 25.; //40
487 param->fMaxChi2s[4] = 40.; //40
488 param->fMaxChi2s[5] = 50.; //40
490 param->fMaxRoad = 6.;
493 param->fMaxChi2In = 16.;
495 param->fMaxChi2sR[0] = 10.;
496 param->fMaxChi2sR[1] = 10.;
497 param->fMaxChi2sR[2] = 10.;
498 param->fMaxChi2sR[3] = 10.;
499 param->fMaxChi2sR[4] = 30.;
500 param->fMaxChi2sR[5] = 40.;
502 param->fChi2PerCluster = 9.;
508 param->fSigmaXV = 0.0050;
509 param->fSigmaYV = 0.0050;
510 param->fSigmaZV = 0.0100;
512 param->fVertexCut = 25.;
514 param->fMaxDZforPrimTrk = 0.4;
515 param->fMaxDZToUseConstraint = 3.;
517 param->fMaxDforV0dghtrForProlongation = 30.;
518 param->fMaxDForProlongation = 40.;//10.;
519 param->fMaxDZForProlongation = 60.;//20.;
520 param->fMinPtForProlongation = 0.120;
522 param->fZWindowDeadZone = 2.0;
523 param->fSigmaXDeadZoneHit2 = 0.004/12.;
524 param->fSigmaZDeadZoneHit2 = 0.001/12.;
525 param->fXPassDeadZoneHits = 0.018;
526 param->SetNLoopsSA(20);
527 param->fMaxPhiSA = 0.07;
528 param->fMaxLambdaSA = 0.04;
531 param->GetESDV0Params()->SetMinRTgl0(0.5);
532 param->GetESDV0Params()->SetMaxDist(1.5);
533 param->GetESDV0Params()->SetMaxDcaLh0(1.5);
534 param->GetESDV0Params()->SetMaxRBestConst(80);
535 param->GetESDV0Params()->SetMinPABestConst(0.99);
536 param->GetESDV0Params()->SetMinNormDistForbTgl0(1.);
537 param->GetESDV0Params()->SetMinNormDistForb1(2.);
538 param->GetESDV0Params()->SetMinNormDistForbProt(1.);
539 param->GetESDV0Params()->SetMaxPidProbPionForb(0.7);
540 param->GetESDV0Params()->SetLikelihood01Cut(0.3);
541 param->GetESDV0Params()->SetLikelihood1Cut(0.35);
542 param->GetESDV0Params()->SetCombinedCut(0.4);
545 param->fMultCutPxDrSPDin = 0.1;
546 param->fMultCutPxDrSPDout = 0.15;
547 param->fMultCutPxDz = 0.2;
548 param->fMultCutDCArz = 0.5;
549 param->fMultCutMinElectronProbTPC = 0.5;
550 param->fMultCutMinElectronProbESD = 0.1;
551 param->fMultCutMinP = 0.05;
552 param->fMultCutMinRGamma = 2.;
553 param->fMultCutMinRK0 = 1.;
554 param->fMultCutMinPointAngle = 0.98;
555 param->fMultCutMaxDCADauther = 0.5;
556 param->fMultCutMassGamma = 0.03;
557 param->fMultCutMassGammaNSigma = 5.;
558 param->fMultCutMassK0 = 0.03;
559 param->fMultCutMassK0NSigma = 5.;
560 param->fMultCutChi2cGamma = 2.;
561 param->fMultCutChi2cK0 = 2.;
562 param->fMultCutGammaSFromDecay = -10.;
563 param->fMultCutK0SFromDecay = -10.;
564 param->fMultCutMaxDCA = 1.;
569 //_____________________________________________________________________________
570 AliITSRecoParam *AliITSRecoParam::GetCosmicTestParam()
573 // make default reconstruction parameters for cosmics
575 AliITSRecoParam *param = new AliITSRecoParam();
577 // vertexer for cosmics
578 param->SetVertexer(2);
580 param->SetClusterErrorsParam(2);
581 param->SetFindV0s(kFALSE);
582 param->SetAddVirtualClustersInDeadZone(kFALSE);
583 param->SetUseAmplitudeInfo(kFALSE);
586 param->SetEventSpecie(AliRecoParam::kCosmic);
588 // full use of bads from OCDB
589 param->SetUseBadZonesFromOCDB(kTRUE);
590 param->SetUseSingleBadChannelsFromOCDB(kTRUE);
592 // find independently ITS SA tracks
593 param->SetSAUseAllClusters();
594 param->SetOuterStartLayerSA(AliITSgeomTGeo::GetNLayers()-2);
596 //****** COSMICS 2009 (same as COSMICS 2008) *********************
598 // to maximize efficiency
599 param->SetAllowProlongationWithEmptyRoad();
600 param->SetMinNPointsSA(2);
602 // larger seach windows for SA (in case of large misalignments)
603 param->SetNLoopsSA(33);
604 param->SetFactorSAWindowSizes(20);
606 // additional error due to misal (B off)
607 param->SetClusterMisalErrorY(1.0,1.0,1.0,1.0,1.0,1.0); // [cm]
608 param->SetClusterMisalErrorZ(1.0,1.0,1.0,1.0,1.0,1.0); // [cm]
609 // additional error due to misal (B on)
610 param->SetClusterMisalErrorYBOn(0.0,0.0,0.1,0.1,0.1,0.1); // [cm]
611 param->SetClusterMisalErrorZBOn(0.1,0.1,0.1,0.1,0.1,0.1); // [cm]
615 param->fUseSDDCorrectionMaps = kFALSE;
616 param->fUseSDDClusterSizeSelection=kTRUE;
617 param->fMinClusterChargeSDD=30.;
620 // alignment data filter
621 param->SetAlignFilterCosmics(kTRUE);
622 param->SetAlignFilterCosmicMergeTracks(kTRUE);
623 param->SetAlignFilterMinITSPoints(1);
624 param->SetAlignFilterMinITSPointsMerged(3);
625 param->SetAlignFilterOnlyITSSATracks(kTRUE);
626 param->SetAlignFilterOnlyITSTPCTracks(kFALSE);
627 param->SetAlignFilterSkipExtra(kFALSE);
628 param->SetAlignFilterMaxMatchingAngle(0.085/*5deg*/);
629 param->SetAlignFilterMinPt(0.2);
630 param->SetAlignFilterMaxPt(1.e10);
631 param->SetAlignFilterFillQANtuples(kTRUE);
633 //******************************************************************
635 param->fMaxSnp = 0.95;
637 param->fNSigmaYLayerForRoadY = 4.;
638 param->fNSigmaRoadY = 7.5;
639 param->fNSigmaZLayerForRoadZ = 4.;
640 param->fNSigmaRoadZ = 7.5;
642 param->fNSigma2RoadZC = 60.; //7.75^2
643 param->fNSigma2RoadYC = 60.; //7.75^2
644 param->fNSigma2RoadZNonC = 50.; //7.07^2
645 param->fNSigma2RoadYNonC = 50.; //7.07^2
647 param->fMaxChi2PerCluster[0] = 11.; //7
648 param->fMaxChi2PerCluster[1] = 12.; //5
649 param->fMaxChi2PerCluster[2] = 12.; //8
650 param->fMaxChi2PerCluster[3] = 5.; //8
651 param->fMaxChi2PerCluster[4] = 12.; //6.5
653 param->fMaxNormChi2NonC[0] = 7.;
654 param->fMaxNormChi2NonC[1] = 8.;
655 param->fMaxNormChi2NonC[2] = 8.;
656 param->fMaxNormChi2NonC[3] = 11.;
657 param->fMaxNormChi2NonC[4] = 14.;
658 param->fMaxNormChi2NonC[5] = 25.;
660 param->fMaxNormChi2C[0] = 11.;
661 param->fMaxNormChi2C[1] = 13.;
662 param->fMaxNormChi2C[2] = 15.;
663 param->fMaxNormChi2C[3] = 18.;
664 param->fMaxNormChi2C[4] = 30.;
665 param->fMaxNormChi2C[5] = 35.;
667 param->fMaxNormChi2NonCForHypothesis = 7.;
669 param->fMaxChi2 = 35.;
671 param->fMaxChi2s[0] = 25.; //40
672 param->fMaxChi2s[1] = 25.; //40
673 param->fMaxChi2s[2] = 25.; //40
674 param->fMaxChi2s[3] = 25.; //40
675 param->fMaxChi2s[4] = 40.; //40
676 param->fMaxChi2s[5] = 50.; //40
678 param->fMaxRoad = 6.;
681 param->fMaxChi2In = 16.;
683 param->fMaxChi2sR[0] = 10.;
684 param->fMaxChi2sR[1] = 10.;
685 param->fMaxChi2sR[2] = 10.;
686 param->fMaxChi2sR[3] = 10.;
687 param->fMaxChi2sR[4] = 30.;
688 param->fMaxChi2sR[5] = 40.;
690 param->fChi2PerCluster = 9.;
696 param->fSigmaXV = 0.0050;
697 param->fSigmaYV = 0.0050;
698 param->fSigmaZV = 0.0100;
700 param->fVertexCut = 25.;
702 param->fMaxDZforPrimTrk = 0.4;
703 param->fMaxDZToUseConstraint = 3.;
705 param->fMaxDforV0dghtrForProlongation = 30.;
706 param->fMaxDForProlongation = 10.;
707 param->fMaxDZForProlongation = 20.;
708 param->fMinPtForProlongation = 0.120;
710 param->fZWindowDeadZone = 2.0;
711 param->fSigmaXDeadZoneHit2 = 0.004/12.;
712 param->fSigmaZDeadZoneHit2 = 0.001/12.;
713 param->fXPassDeadZoneHits = 0.018;
717 //_____________________________________________________________________________
718 AliITSRecoParam *AliITSRecoParam::GetPlaneEffParam(Int_t i)
721 // make special reconstruction parameters for Plane Efficiency study on layer i (0,5)
723 // if i=-1, then the evaluation for both pixel layers is tried with the tracklet method
725 if (i<-1 || i>=AliITSgeomTGeo::kNLayers) {
726 printf("AliITSRecoParam::GetPlaneEffParam: index of ITS Plane nor in the range [0,5] neither =-1\n");
727 printf("returning null pointer");
730 if(i>=0) { // Method using tracks (remove given plane from tracking)
731 AliITSRecoParam *param;
732 param = GetLowFluxParam();
733 param->SetClusterErrorsParam(2);
734 // find independently ITS SA tracks
735 param->SetSAUseAllClusters();
736 param->SetOuterStartLayerSA(2);
737 param->SetAllowProlongationWithEmptyRoad(kTRUE);
738 // larger seach windows for SA (in case of large misalignments)
739 param->SetFactorSAWindowSizes(2);
741 // Misalignment syst errors decided at ITS meeting 25.03.2010
742 // additional error due to misal (B off)
743 param->SetClusterMisalErrorY(0.0010,0.0010,0.0300,0.0300,0.0020,0.0020); // [cm]
744 param->SetClusterMisalErrorZ(0.0100,0.0100,0.0100,0.0100,0.0500,0.0500); // [cm]
745 // additional error due to misal (B on)
746 param->SetClusterMisalErrorYBOn(0.0010,0.0030,0.0500,0.0500,0.0020,0.0020); // [cm]
747 param->SetClusterMisalErrorZBOn(0.0100,0.0100,0.0100,0.0100,0.0500,0.0500); // [cm]
751 param->SetUseSDDCorrectionMaps(kTRUE); // changed 30.04.2010
752 param->SetUseSDDClusterSizeSelection(kTRUE);
753 param->SetMinClusterChargeSDD(30.);
754 param->SetUseUnfoldingInClusterFinderSDD(kFALSE);
756 param->SetComputePlaneEff();
757 param->SetLayerToSkip(i);
758 param->SetIPlanePlaneEff(i);
759 param->fNSigXFromBoundaryPlaneEff= 1.;
760 param->fNSigZFromBoundaryPlaneEff= 1.;
761 // optimized setting for SPD0 (i==0)
763 param->fMinPtPlaneEff = 0.200; // high pt particles
764 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layers out of 5 without cluster
765 param->fMaxMissingClustersOutPlaneEff = 2; // at most 2 layers out of 5 external ones without cluster
766 param->fRequireClusterInOuterLayerPlaneEff = kTRUE; // cluster on SPD1 must be
767 //param->fOnlyConstraintPlaneEff = kTRUE;
770 param->fMinPtPlaneEff = 0.200; // high pt particles
771 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
772 param->fMaxMissingClustersOutPlaneEff = 2; // at most 2 layer out of 4 external ones without cluster
773 //param->fRequireClusterInOuterLayerPlaneEff = kTRUE; // cluster on SSD1 must be
776 param->fMinPtPlaneEff = 0.200; // high pt particles
777 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
778 param->fMaxMissingClustersOutPlaneEff = 2; // at most 2 layer out of 3 external ones without cluster
779 //param->fRequireClusterInOuterLayerPlaneEff = kTRUE;
780 //param->fOnlyConstraintPlaneEff = kTRUE;
783 param->fMinPtPlaneEff = 0.200; // high pt particles
784 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
785 param->fMaxMissingClustersOutPlaneEff = 1; // at most 1 layer out of 2 external ones without cluster
788 param->fMinPtPlaneEff = 0.200; // high pt particles
789 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
790 param->fMaxMissingClustersOutPlaneEff = 1; // at most 1 layer out of 1 external ones without cluster
791 // param->fRequireClusterInOuterLayerPlaneEff = kTRUE;
792 //param->fOnlyConstraintPlaneEff = kTRUE;
795 param->fMinPtPlaneEff = 0.200; // high pt particles
796 param->fMaxMissingClustersPlaneEff = 2; // at most 2 layer out of 5 without cluster
801 else if (i==-1) { // Method using tracklets
802 AliITSRecoParam *param;
803 param = GetLowFluxParam();
804 param->SetIPlanePlaneEff(i);
805 param->SetComputePlaneEff(kTRUE,kFALSE);
806 param->SetUseTrackletsPlaneEff(kTRUE);
807 param->SetTrackleterPhiWindowL2(0.07);
808 param->SetTrackleterZetaWindowL2(0.4);
809 param->SetTrackleterPhiWindowL1(0.10);
810 param->SetTrackleterZetaWindowL1(0.6);
811 param->SetUpdateOncePerEventPlaneEff(kTRUE);
812 param->SetMinContVtxPlaneEff(3);
816 AliErrorGeneral("AliITSRecoParam",Form("Unrecognised value of i %d\n",i));
821 //_____________________________________________________________________________
822 void AliITSRecoParam::SetLayersParameters()
825 // number of layers and layers spatial resolutions
828 // spatial resolutions of the detectors
829 // y: 12 12 38 38 20 20 micron
832 fSigmaY2[2]=1.444e-5;
833 fSigmaY2[3]=1.444e-5;
836 // z: 120 120 28 28 830 830 micron
841 fSigmaZ2[4]=6.889e-3;
842 fSigmaZ2[5]=6.889e-3;
846 //_____________________________________________________________________________
847 void AliITSRecoParam::PrintParameters() const
853 printf("============================= AliITSRecoParam::PrintParameters ");
854 printf("============================= \n\n");
855 for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) {
856 if(!fLayersToSkip[i]) {
857 printf("ITS Traking: using layer %d\n",i);
859 printf("ITS Traking: skipping layer %d\n",i);
862 for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++) {
863 if(fUseAmplitudeInfo[i]) {
864 printf("ITS Traking: use amplitude info for layer %d\n",i);
866 printf("ITS Traking: don't use amplitude info for layer %d\n",i);
869 for(Int_t i=0; i<AliITSgeomTGeo::kNLayers; i++)
870 printf("Layer %d:\n sigmaY2 %f, sigmaZ2 %f\n sigmaMisalY %f, sigmaMisalZ %f\n max norm chi2 for non constrained tracks %f\n max norm chi2 for constrained tracks %f\n max predicted chi2 (cluster & track prol.) %f\n",i,fSigmaY2[i],fSigmaZ2[i],fClusterMisalErrorY[i],fClusterMisalErrorZ[i],fMaxNormChi2NonC[i],fMaxNormChi2C[i],fMaxChi2s[i]);