[u/mrichter/AliRoot.git] / PWG3 / vertexingHF / AliRDHFCutsDStartoKpipi.cxx

/**************************************************************************
 * Copyright(c) 1998-2010, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

/////////////////////////////////////////////////////////////
//
// Class for cuts on AOD reconstructed DStar->Kpipi
//
// Author: A.Grelli, alessandro.grelli@uu.nl
/////////////////////////////////////////////////////////////

#include <TDatabasePDG.h>
#include <Riostream.h>

#include "AliAODRecoDecayHF2Prong.h"
#include "AliAODRecoCascadeHF.h"
#include "AliRDHFCutsD0toKpi.h"
#include "AliRDHFCutsDStartoKpipi.h"
#include "AliAODTrack.h"
#include "AliESDtrack.h"
#include "AliAODVertex.h"
#include "AliESDVertex.h"


ClassImp(AliRDHFCutsDStartoKpipi)

//--------------------------------------------------------------------------
AliRDHFCutsDStartoKpipi::AliRDHFCutsDStartoKpipi(const char* name) : 
AliRDHFCuts(name),
fTrackCutsSoftPi(0)
{
  //
  // Default Constructor
  //
 
  Int_t nvars=14;
  SetNVars(nvars);
  TString varNames[14]={
    "inv. mass [GeV]",   
    "dca [cm]",
    "cosThetaStar", 
    "pTK [GeV/c]",
    "pTPi [GeV/c]",
    "d0K [cm]",
    "d0Pi [cm]",
    "d0d0 [cm^2]",
    "cosThetaPoint",
    "inv. mass half width of D* [GeV]",
    "half width of (M_Kpipi-M_D0) [GeV]",
    "PtMin of pi_s [GeV/c]",
    "PtMax of pi_s [GeV/c]",
    "theta, angle between the pi_s and decay plane of the D0 [rad]"};
  Bool_t isUpperCut[14]={
    kTRUE,
    kTRUE,
    kTRUE,
    kFALSE,
    kFALSE,
    kTRUE,
    kTRUE,
    kTRUE,
    kFALSE,
    kTRUE,
    kTRUE,
    kTRUE,
    kTRUE,
    kFALSE};
  SetVarNames(nvars,varNames,isUpperCut);
  Bool_t forOpt[14]={
    kFALSE,
    kTRUE,
    kTRUE,
    kFALSE,
    kFALSE,
    kFALSE,
    kFALSE,
    kTRUE,
    kTRUE,
    kFALSE,
    kTRUE,
    kFALSE,
    kFALSE,
    kFALSE};
  SetVarsForOpt(5,forOpt);
  Float_t limits[2]={0,999999999.};
  SetPtBins(2,limits);
}
//--------------------------------------------------------------------------
AliRDHFCutsDStartoKpipi::AliRDHFCutsDStartoKpipi(const AliRDHFCutsDStartoKpipi &source) :
  AliRDHFCuts(source),
  fTrackCutsSoftPi(0)
{
  //
  // Copy constructor
  //
  
  if(source.GetTrackCutsSoftPi()) AddTrackCutsSoftPi(source.GetTrackCutsSoftPi());
  
}
//--------------------------------------------------------------------------
AliRDHFCutsDStartoKpipi &AliRDHFCutsDStartoKpipi::operator=(const AliRDHFCutsDStartoKpipi &source)
{
  //
  // assignment operator
  //
  if(&source == this) return *this;

  AliRDHFCuts::operator=(source);

  if(source.GetTrackCutsSoftPi()) AddTrackCutsSoftPi(source.GetTrackCutsSoftPi());
  return *this;
}


//---------------------------------------------------------------------------
void AliRDHFCutsDStartoKpipi::GetCutVarsForOpt(AliAODRecoDecayHF *d,Float_t *vars,Int_t nvars,Int_t *pdgdaughters) {
  // 
  // Fills in vars the values of the variables 
  //
  if(nvars!=fnVarsForOpt) {
    printf("AliRDHFCutsDStartoKpipi::GetCutsVarsForOpt: wrong number of variables\n");
    return;
  }
  
 
  AliAODRecoCascadeHF* dstarD0pi = (AliAODRecoCascadeHF*)d;

  AliAODTrack *softPi = (AliAODTrack*)dstarD0pi->GetBachelor();

  AliAODRecoDecayHF2Prong* dd = (AliAODRecoDecayHF2Prong*)dstarD0pi->Get2Prong();
  
   Int_t iter=-1;
  if(fVarsForOpt[0]){
    iter++;
    if(TMath::Abs(pdgdaughters[0])==211) {
      vars[iter]=dd->InvMassD0();
    } else {
      vars[iter]=dd->InvMassD0bar();
    }
  }
  if(fVarsForOpt[1]){
    iter++;
    vars[iter]=dd->GetDCA();
  }
  if(fVarsForOpt[2]){
    iter++;
    if(TMath::Abs(pdgdaughters[0])==211) {
      vars[iter] = dd->CosThetaStarD0();
    } else {
      vars[iter] = dd->CosThetaStarD0bar();
    }
  }
  if(fVarsForOpt[3]){
    iter++;
   if(TMath::Abs(pdgdaughters[0])==321) {
     vars[iter]=dd->PtProng(0);
   }
   else{
     vars[iter]=dd->PtProng(1);
   }
  }
  if(fVarsForOpt[4]){
    iter++;
   if(TMath::Abs(pdgdaughters[0])==211) {
     vars[iter]=dd->PtProng(0);
   }
   else{
     vars[iter]=dd->PtProng(1);
   }
  }
  if(fVarsForOpt[5]){
    iter++;
    if(TMath::Abs(pdgdaughters[0])==321) {
     vars[iter]=dd->Getd0Prong(0);
   }
   else{
     vars[iter]=dd->Getd0Prong(1);
   }
  }
  if(fVarsForOpt[6]){
    iter++;
     if(TMath::Abs(pdgdaughters[0])==211) {
     vars[iter]=dd->Getd0Prong(0);
   }
   else{
     vars[iter]=dd->Getd0Prong(1);
   }
  }
  if(fVarsForOpt[7]){
    iter++;
    vars[iter]= dd->Prodd0d0();
  }
  if(fVarsForOpt[8]){
    iter++;
    vars[iter]=dd->CosPointingAngle();
  }
  if(fVarsForOpt[9]){
    iter++;
    vars[iter]=dstarD0pi->InvMassDstarKpipi();
  }
  if(fVarsForOpt[10]){
    iter++;
    vars[iter]=dstarD0pi->DeltaInvMass();
  }
  if(fVarsForOpt[11]){
    iter++;
    vars[iter] = softPi->Pt();
  }
  if(fVarsForOpt[12]){
    iter++;
    vars[iter] = softPi->Pt();
  }
  if(fVarsForOpt[13]){
    iter++;
    vars[iter] =dstarD0pi->AngleD0dkpPisoft();
  }
 
  return;
}
//---------------------------------------------------------------------------
Int_t AliRDHFCutsDStartoKpipi::IsSelected(TObject* obj,Int_t selectionLevel) {
  //
  // Apply selection for D*.
  //
  if(!fCutsRD){
    cout<<"Cut matrice not inizialized. Exit..."<<endl;
    return 0;
  }
  
  AliAODRecoCascadeHF* d = (AliAODRecoCascadeHF*)obj;
  if(!d){
    cout<<"AliAODRecoCascadeHF null"<<endl;
    return 0;
  }
  
  AliAODRecoDecayHF2Prong* dd = (AliAODRecoDecayHF2Prong*)d->Get2Prong();  
  if(!dd){
    cout<<"AliAODRecoDecayHF2Prong null"<<endl;
    return 0;
  }

  AliAODTrack *b = (AliAODTrack*)d->GetBachelor();

  // selection on daughter tracks 
  if(selectionLevel==AliRDHFCuts::kAll || 
     selectionLevel==AliRDHFCuts::kTracks) {
    if(!AreDaughtersSelected(dd)) return 0;
    if(fTrackCutsSoftPi) {
      AliAODVertex *vAOD = d->GetPrimaryVtx();
      Double_t pos[3],cov[6];
      vAOD->GetXYZ(pos);
      vAOD->GetCovarianceMatrix(cov);
      const AliESDVertex vESD(pos,cov,100.,100);
      if(!IsDaughterSelected(b,&vESD,fTrackCutsSoftPi)) return 0;
    }
  }
  
  Int_t returnvalue=1;
  
  // selection on candidate
  if(selectionLevel==AliRDHFCuts::kAll || 
     selectionLevel==AliRDHFCuts::kCandidate) {
    
    Double_t pt=d->Pt();
    Int_t ptbin=PtBin(pt);

    // select D0 that passes D* cuts
    returnvalue = IsD0FromDStarSelected(pt,dd,selectionLevel);
    //if(retunvalue==0) return 0;

    if((b->Charge()==+1 && returnvalue==2) || (b->Charge()==-1 && returnvalue==1)) return 0; 

    // DStarMass and D0mass
    Double_t mDSPDG = TDatabasePDG::Instance()->GetParticle(413)->Mass();
    Double_t mD0PDG = TDatabasePDG::Instance()->GetParticle(421)->Mass();
    // delta mass PDG
    Double_t deltaPDG = mDSPDG-mD0PDG;
   
    // Half width DStar mass
    if(TMath::Abs(mDSPDG - (d->InvMassDstarKpipi()))>fCutsRD[GetGlobalIndex(9,ptbin)]) return 0;
    // Half width Delta mass
    
    if(TMath::Abs(deltaPDG-(d->DeltaInvMass())) > fCutsRD[GetGlobalIndex(10,ptbin)]) return 0;
    
    // cut on soft pion pt
    if(b->Pt() < fCutsRD[GetGlobalIndex(11,ptbin)] || b->Pt() > fCutsRD[GetGlobalIndex(12,ptbin)]) return 0;
    // cut on the angle between D0 decay plane and soft pion
    if(d->AngleD0dkpPisoft() > fCutsRD[GetGlobalIndex(13,ptbin)]) return 0;
  
  }

  return returnvalue;
}
//_________________________________________________________________________________________________
Int_t AliRDHFCutsDStartoKpipi::IsD0FromDStarSelected(Double_t pt, TObject* obj,Int_t selectionLevel) const {
  //
  // Apply selection for D0 from D*. The selection in on D0 prongs
  //
  
  if(!fCutsRD){
    cout<<"Cut matrice not inizialized. Exit..."<<endl;
    return 0;
  }
  
  AliAODRecoDecayHF2Prong* dd = (AliAODRecoDecayHF2Prong*)obj;
  
  if(!dd){
    cout<<"AliAODRecoDecayHF2Prong null"<<endl;
    return 0;
  }

  // selection on daughter tracks is done in IsSelected()
  
  Int_t returnvalue=1;
  
  // selection on candidate
  if(selectionLevel==AliRDHFCuts::kAll || 
     selectionLevel==AliRDHFCuts::kCandidate) {
    
    // D0 mass
    Double_t mD0PDG = TDatabasePDG::Instance()->GetParticle(421)->Mass();
    // delta mass PDG
 
    Int_t ptbin=PtBin(pt);
    
    Double_t mD0,mD0bar,ctsD0,ctsD0bar;
  
    Int_t okD0     =0;
    Int_t okD0bar  =0;
    okD0=1; okD0bar=1;

    if(dd->PtProng(1) < fCutsRD[GetGlobalIndex(3,ptbin)] || dd->PtProng(0) < fCutsRD[GetGlobalIndex(4,ptbin)]) okD0 = 0;
    if(dd->PtProng(0) < fCutsRD[GetGlobalIndex(3,ptbin)] || dd->PtProng(1) < fCutsRD[GetGlobalIndex(4,ptbin)]) okD0bar = 0;
    
    if(!okD0 && !okD0bar) return 0;
    
    if(TMath::Abs(dd->Getd0Prong(1)) > fCutsRD[GetGlobalIndex(5,ptbin)] || 
       TMath::Abs(dd->Getd0Prong(0)) > fCutsRD[GetGlobalIndex(6,ptbin)]) okD0 = 0;
    if(TMath::Abs(dd->Getd0Prong(0)) > fCutsRD[GetGlobalIndex(6,ptbin)] ||
       TMath::Abs(dd->Getd0Prong(1)) > fCutsRD[GetGlobalIndex(5,ptbin)]) okD0bar = 0;
    if(!okD0 && !okD0bar) return 0;
    
    if(dd->GetDCA() > fCutsRD[GetGlobalIndex(1,ptbin)]) return 0;
    
    dd->InvMassD0(mD0,mD0bar);
    if(TMath::Abs(mD0-mD0PDG) > fCutsRD[GetGlobalIndex(0,ptbin)]) okD0 = 0;
    if(TMath::Abs(mD0bar-mD0PDG) > fCutsRD[GetGlobalIndex(0,ptbin)]) okD0bar = 0;
    if(!okD0 && !okD0bar) return 0;
    
    dd->CosThetaStarD0(ctsD0,ctsD0bar);
    if(TMath::Abs(ctsD0) > fCutsRD[GetGlobalIndex(2,ptbin)]) okD0 = 0;
    if(TMath::Abs(ctsD0bar) > fCutsRD[GetGlobalIndex(2,ptbin)]) okD0bar = 0;
    if(!okD0 && !okD0bar) return 0;
    
    if(dd->Prodd0d0() > fCutsRD[GetGlobalIndex(7,ptbin)]) return 0;
    
    if(dd->CosPointingAngle() < fCutsRD[GetGlobalIndex(8,ptbin)]) return 0;

    if (okD0) returnvalue=1; //cuts passed as D0
    if (okD0bar) returnvalue=2; //cuts passed as D0bar
    if (okD0 && okD0bar) returnvalue=3; //both
  }

  //if((Charge()==+1 && !okD0) || (Charge()==-1 && !okD0bar)) return kFALSE; 
  return returnvalue;
}
//----------------------------------------------------------------------------------
Bool_t AliRDHFCutsDStartoKpipi::IsInFiducialAcceptance(Double_t pt, Double_t y) const
{
  //
  // D* fiducial acceptance region 
  //

  if(pt > 5.) {
    // applying cut for pt > 5 GeV
    AliDebug(4,Form("pt of D* = %f (> 5), cutting at |y| < 0.8\n",pt)); 
    if (TMath::Abs(y) > 0.8){
      return kFALSE;
    }
  } else {
    // appliying smooth cut for pt < 5 GeV
    Double_t maxFiducialY = -0.151/15*pt*pt+1.9/15*pt+0.4; 
    Double_t minFiducialY = 0.151/15*pt*pt-1.9/15*pt-0.4;		
    AliDebug(4,Form("pt of D* = %f (< 5), cutting  according to the fiducial zone [%f, %f]\n",pt,minFiducialY,maxFiducialY)); 
    if (y < minFiducialY || y > maxFiducialY){
      return kFALSE;
    }
  }

  return kTRUE;
}
Commit	Line	Data
45bc9115	1	/**************************************************************************
	2	* Copyright(c) 1998-2010, ALICE Experiment at CERN, All rights reserved. *
	3	* *
	4	* Author: The ALICE Off-line Project. *
	5	* Contributors are mentioned in the code where appropriate. *
	6	* *
	7	* Permission to use, copy, modify and distribute this software and its *
	8	* documentation strictly for non-commercial purposes is hereby granted *
	9	* without fee, provided that the above copyright notice appears in all *
	10	* copies and that both the copyright notice and this permission notice *
	11	* appear in the supporting documentation. The authors make no claims *
	12	* about the suitability of this software for any purpose. It is *
	13	* provided "as is" without express or implied warranty. *
	14	**************************************************************************/
	15
	16	/////////////////////////////////////////////////////////////
	17	//
	18	// Class for cuts on AOD reconstructed DStar->Kpipi
	19	//
	20	// Author: A.Grelli, alessandro.grelli@uu.nl
	21	/////////////////////////////////////////////////////////////
	22
	23	#include <TDatabasePDG.h>
	24	#include <Riostream.h>
	25
	26	#include "AliAODRecoDecayHF2Prong.h"
	27	#include "AliAODRecoCascadeHF.h"
	28	#include "AliRDHFCutsD0toKpi.h"
	29	#include "AliRDHFCutsDStartoKpipi.h"
	30	#include "AliAODTrack.h"
	31	#include "AliESDtrack.h"
da6fefc3	32	#include "AliAODVertex.h"
da6fefc3	33	#include "AliESDVertex.h"
45bc9115	34
ee1128c6	35
ee1128c6	36
45bc9115	37	ClassImp(AliRDHFCutsDStartoKpipi)
	38
	39	//--------------------------------------------------------------------------
da6fefc3	40	AliRDHFCutsDStartoKpipi::AliRDHFCutsDStartoKpipi(const char* name) :
	41	AliRDHFCuts(name),
	42	fTrackCutsSoftPi(0)
45bc9115	43	{
	44	//
	45	// Default Constructor
	46	//
	47
	48	Int_t nvars=14;
	49	SetNVars(nvars);
	50	TString varNames[14]={
	51	"inv. mass [GeV]",
	52	"dca [cm]",
	53	"cosThetaStar",
	54	"pTK [GeV/c]",
	55	"pTPi [GeV/c]",
	56	"d0K [cm]",
	57	"d0Pi [cm]",
	58	"d0d0 [cm^2]",
	59	"cosThetaPoint",
	60	"inv. mass half width of D* [GeV]",
	61	"half width of (M_Kpipi-M_D0) [GeV]",
	62	"PtMin of pi_s [GeV/c]",
	63	"PtMax of pi_s [GeV/c]",
	64	"theta, angle between the pi_s and decay plane of the D0 [rad]"};
	65	Bool_t isUpperCut[14]={
	66	kTRUE,
	67	kTRUE,
	68	kTRUE,
	69	kFALSE,
	70	kFALSE,
	71	kTRUE,
	72	kTRUE,
	73	kTRUE,
	74	kFALSE,
	75	kTRUE,
	76	kTRUE,
	77	kTRUE,
	78	kTRUE,
	79	kFALSE};
	80	SetVarNames(nvars,varNames,isUpperCut);
	81	Bool_t forOpt[14]={
	82	kFALSE,
	83	kTRUE,
	84	kTRUE,
	85	kFALSE,
	86	kFALSE,
	87	kFALSE,
	88	kFALSE,
	89	kTRUE,
	90	kTRUE,
	91	kFALSE,
	92	kTRUE,
	93	kFALSE,
	94	kFALSE,
	95	kFALSE};
	96	SetVarsForOpt(5,forOpt);
	97	Float_t limits[2]={0,999999999.};
	98	SetPtBins(2,limits);
	99	}
	100	//--------------------------------------------------------------------------
	101	AliRDHFCutsDStartoKpipi::AliRDHFCutsDStartoKpipi(const AliRDHFCutsDStartoKpipi &source) :
da6fefc3	102	AliRDHFCuts(source),
da6fefc3	103	fTrackCutsSoftPi(0)
45bc9115	104	{
	105	//
	106	// Copy constructor
	107	//
ee1128c6	108
da6fefc3	109	if(source.GetTrackCutsSoftPi()) AddTrackCutsSoftPi(source.GetTrackCutsSoftPi());
ee1128c6	110
45bc9115	111	}
	112	//--------------------------------------------------------------------------
	113	AliRDHFCutsDStartoKpipi &AliRDHFCutsDStartoKpipi::operator=(const AliRDHFCutsDStartoKpipi &source)
	114	{
	115	//
	116	// assignment operator
	117	//
	118	if(&source == this) return *this;
	119
	120	AliRDHFCuts::operator=(source);
	121
da6fefc3	122	if(source.GetTrackCutsSoftPi()) AddTrackCutsSoftPi(source.GetTrackCutsSoftPi());
45bc9115	123	return *this;
	124	}
	125
	126
	127	//---------------------------------------------------------------------------
	128	void AliRDHFCutsDStartoKpipi::GetCutVarsForOpt(AliAODRecoDecayHF d,Float_t vars,Int_t nvars,Int_t *pdgdaughters) {
	129	//
	130	// Fills in vars the values of the variables
	131	//
	132	if(nvars!=fnVarsForOpt) {
	133	printf("AliRDHFCutsDStartoKpipi::GetCutsVarsForOpt: wrong number of variables\n");
	134	return;
	135	}
	136
	137
	138	AliAODRecoCascadeHF* dstarD0pi = (AliAODRecoCascadeHF*)d;
	139
	140	AliAODTrack softPi = (AliAODTrack)dstarD0pi->GetBachelor();
	141
	142	AliAODRecoDecayHF2Prong* dd = (AliAODRecoDecayHF2Prong*)dstarD0pi->Get2Prong();
	143
	144	Int_t iter=-1;
	145	if(fVarsForOpt[0]){
	146	iter++;
	147	if(TMath::Abs(pdgdaughters[0])==211) {
	148	vars[iter]=dd->InvMassD0();
	149	} else {
	150	vars[iter]=dd->InvMassD0bar();
	151	}
	152	}
	153	if(fVarsForOpt[1]){
	154	iter++;
	155	vars[iter]=dd->GetDCA();
	156	}
	157	if(fVarsForOpt[2]){
	158	iter++;
	159	if(TMath::Abs(pdgdaughters[0])==211) {
	160	vars[iter] = dd->CosThetaStarD0();
	161	} else {
	162	vars[iter] = dd->CosThetaStarD0bar();
	163	}
	164	}
	165	if(fVarsForOpt[3]){
	166	iter++;
	167	if(TMath::Abs(pdgdaughters[0])==321) {
	168	vars[iter]=dd->PtProng(0);
	169	}
	170	else{
	171	vars[iter]=dd->PtProng(1);
	172	}
	173	}
	174	if(fVarsForOpt[4]){
	175	iter++;
	176	if(TMath::Abs(pdgdaughters[0])==211) {
	177	vars[iter]=dd->PtProng(0);
	178	}
	179	else{
	180	vars[iter]=dd->PtProng(1);
	181	}
	182	}
	183	if(fVarsForOpt[5]){
	184	iter++;
	185	if(TMath::Abs(pdgdaughters[0])==321) {
	186	vars[iter]=dd->Getd0Prong(0);
187	}
188	else{
189	vars[iter]=dd->Getd0Prong(1);
190	}
191	}
192	if(fVarsForOpt[6]){
193	iter++;
194	if(TMath::Abs(pdgdaughters[0])==211) {
195	vars[iter]=dd->Getd0Prong(0);
196	}
197	else{
198	vars[iter]=dd->Getd0Prong(1);
199	}
200	}
201	if(fVarsForOpt[7]){
202	iter++;
203	vars[iter]= dd->Prodd0d0();
204	}
205	if(fVarsForOpt[8]){
206	iter++;
207	vars[iter]=dd->CosPointingAngle();
208	}
209	if(fVarsForOpt[9]){
210	iter++;
211	vars[iter]=dstarD0pi->InvMassDstarKpipi();
212	}
213	if(fVarsForOpt[10]){
214	iter++;
215	vars[iter]=dstarD0pi->DeltaInvMass();
216	}
217	if(fVarsForOpt[11]){
218	iter++;
219	vars[iter] = softPi->Pt();
220	}
221	if(fVarsForOpt[12]){
222	iter++;
223	vars[iter] = softPi->Pt();
224	}
225	if(fVarsForOpt[13]){
226	iter++;
227	vars[iter] =dstarD0pi->AngleD0dkpPisoft();
228	}
229
230	return;
231	}
232	//---------------------------------------------------------------------------
233	Int_t AliRDHFCutsDStartoKpipi::IsSelected(TObject* obj,Int_t selectionLevel) {
234	//
235	// Apply selection for D*.
236	//
237	if(!fCutsRD){
238	cout<<"Cut matrice not inizialized. Exit..."<<endl;
239	return 0;
240	}
241
242	AliAODRecoCascadeHF* d = (AliAODRecoCascadeHF*)obj;
243	if(!d){
244	cout<<"AliAODRecoCascadeHF null"<<endl;
245	return 0;
246	}
247
248	AliAODRecoDecayHF2Prong* dd = (AliAODRecoDecayHF2Prong*)d->Get2Prong();
249	if(!dd){
250	cout<<"AliAODRecoDecayHF2Prong null"<<endl;
251	return 0;
252	}
253
254	AliAODTrack b = (AliAODTrack)d->GetBachelor();
255
256	// selection on daughter tracks
257	if(selectionLevel==AliRDHFCuts::kAll \|\|
258	selectionLevel==AliRDHFCuts::kTracks) {
da6fefc3	259	if(!AreDaughtersSelected(dd)) return 0;
	260	if(fTrackCutsSoftPi) {
	261	AliAODVertex *vAOD = d->GetPrimaryVtx();
	262	Double_t pos[3],cov[6];
	263	vAOD->GetXYZ(pos);
	264	vAOD->GetCovarianceMatrix(cov);
	265	const AliESDVertex vESD(pos,cov,100.,100);
	266	if(!IsDaughterSelected(b,&vESD,fTrackCutsSoftPi)) return 0;
	267	}
45bc9115	268	}
45bc9115	269
e4f1bb0a	270	Int_t returnvalue=1;
45bc9115	271
	272	// selection on candidate
	273	if(selectionLevel==AliRDHFCuts::kAll \|\|
	274	selectionLevel==AliRDHFCuts::kCandidate) {
	275
	276	Double_t pt=d->Pt();
	277	Int_t ptbin=PtBin(pt);
	278
	279	// select D0 that passes D* cuts
	280	returnvalue = IsD0FromDStarSelected(pt,dd,selectionLevel);
ee1128c6	281	//if(retunvalue==0) return 0;
	282
	283	if((b->Charge()==+1 && returnvalue==2) \|\| (b->Charge()==-1 && returnvalue==1)) return 0;
45bc9115	284
	285	// DStarMass and D0mass
	286	Double_t mDSPDG = TDatabasePDG::Instance()->GetParticle(413)->Mass();
	287	Double_t mD0PDG = TDatabasePDG::Instance()->GetParticle(421)->Mass();
	288	// delta mass PDG
	289	Double_t deltaPDG = mDSPDG-mD0PDG;
45bc9115	290
45bc9115	291	// Half width DStar mass
ee1128c6	292	if(TMath::Abs(mDSPDG - (d->InvMassDstarKpipi()))>fCutsRD[GetGlobalIndex(9,ptbin)]) return 0;
45bc9115	293	// Half width Delta mass
45bc9115	294
ee1128c6	295	if(TMath::Abs(deltaPDG-(d->DeltaInvMass())) > fCutsRD[GetGlobalIndex(10,ptbin)]) return 0;
45bc9115	296
	297	// cut on soft pion pt
	298	if(b->Pt() < fCutsRD[GetGlobalIndex(11,ptbin)] \|\| b->Pt() > fCutsRD[GetGlobalIndex(12,ptbin)]) return 0;
	299	// cut on the angle between D0 decay plane and soft pion
	300	if(d->AngleD0dkpPisoft() > fCutsRD[GetGlobalIndex(13,ptbin)]) return 0;
	301
	302	}
	303
	304	return returnvalue;
	305	}
	306	//_________________________________________________________________________________________________
da6fefc3	307	Int_t AliRDHFCutsDStartoKpipi::IsD0FromDStarSelected(Double_t pt, TObject* obj,Int_t selectionLevel) const {
45bc9115	308	//
	309	// Apply selection for D0 from D*. The selection in on D0 prongs
	310	//
	311
	312	if(!fCutsRD){
	313	cout<<"Cut matrice not inizialized. Exit..."<<endl;
	314	return 0;
	315	}
	316
	317	AliAODRecoDecayHF2Prong* dd = (AliAODRecoDecayHF2Prong*)obj;
	318
	319	if(!dd){
	320	cout<<"AliAODRecoDecayHF2Prong null"<<endl;
	321	return 0;
	322	}
	323
da6fefc3	324	// selection on daughter tracks is done in IsSelected()
45bc9115	325
	326	Int_t returnvalue=1;
	327
	328	// selection on candidate
	329	if(selectionLevel==AliRDHFCuts::kAll \|\|
	330	selectionLevel==AliRDHFCuts::kCandidate) {
	331
	332	// D0 mass
	333	Double_t mD0PDG = TDatabasePDG::Instance()->GetParticle(421)->Mass();
	334	// delta mass PDG
	335
	336	Int_t ptbin=PtBin(pt);
	337
	338	Double_t mD0,mD0bar,ctsD0,ctsD0bar;
	339
	340	Int_t okD0 =0;
	341	Int_t okD0bar =0;
	342	okD0=1; okD0bar=1;
	343
	344	if(dd->PtProng(1) < fCutsRD[GetGlobalIndex(3,ptbin)] \|\| dd->PtProng(0) < fCutsRD[GetGlobalIndex(4,ptbin)]) okD0 = 0;
	345	if(dd->PtProng(0) < fCutsRD[GetGlobalIndex(3,ptbin)] \|\| dd->PtProng(1) < fCutsRD[GetGlobalIndex(4,ptbin)]) okD0bar = 0;
	346
	347	if(!okD0 && !okD0bar) return 0;
	348
	349	if(TMath::Abs(dd->Getd0Prong(1)) > fCutsRD[GetGlobalIndex(5,ptbin)] \|\|
	350	TMath::Abs(dd->Getd0Prong(0)) > fCutsRD[GetGlobalIndex(6,ptbin)]) okD0 = 0;
	351	if(TMath::Abs(dd->Getd0Prong(0)) > fCutsRD[GetGlobalIndex(6,ptbin)] \|\|
	352	TMath::Abs(dd->Getd0Prong(1)) > fCutsRD[GetGlobalIndex(5,ptbin)]) okD0bar = 0;
	353	if(!okD0 && !okD0bar) return 0;
	354
	355	if(dd->GetDCA() > fCutsRD[GetGlobalIndex(1,ptbin)]) return 0;
	356
	357	dd->InvMassD0(mD0,mD0bar);
	358	if(TMath::Abs(mD0-mD0PDG) > fCutsRD[GetGlobalIndex(0,ptbin)]) okD0 = 0;
	359	if(TMath::Abs(mD0bar-mD0PDG) > fCutsRD[GetGlobalIndex(0,ptbin)]) okD0bar = 0;
	360	if(!okD0 && !okD0bar) return 0;
	361
	362	dd->CosThetaStarD0(ctsD0,ctsD0bar);
	363	if(TMath::Abs(ctsD0) > fCutsRD[GetGlobalIndex(2,ptbin)]) okD0 = 0;
	364	if(TMath::Abs(ctsD0bar) > fCutsRD[GetGlobalIndex(2,ptbin)]) okD0bar = 0;
	365	if(!okD0 && !okD0bar) return 0;
	366
	367	if(dd->Prodd0d0() > fCutsRD[GetGlobalIndex(7,ptbin)]) return 0;
	368
	369	if(dd->CosPointingAngle() < fCutsRD[GetGlobalIndex(8,ptbin)]) return 0;
	370
	371	if (okD0) returnvalue=1; //cuts passed as D0
	372	if (okD0bar) returnvalue=2; //cuts passed as D0bar
	373	if (okD0 && okD0bar) returnvalue=3; //both
	374	}
	375
ee1128c6	376	//if((Charge()==+1 && !okD0) \|\| (Charge()==-1 && !okD0bar)) return kFALSE;
45bc9115	377	return returnvalue;
45bc9115	378	}
96462a8c	379	//----------------------------------------------------------------------------------
	380	Bool_t AliRDHFCutsDStartoKpipi::IsInFiducialAcceptance(Double_t pt, Double_t y) const
	381	{
	382	//
	383	// D* fiducial acceptance region
	384	//
45bc9115	385
96462a8c	386	if(pt > 5.) {
	387	// applying cut for pt > 5 GeV
	388	AliDebug(4,Form("pt of D* = %f (> 5), cutting at \|y\| < 0.8\n",pt));
	389	if (TMath::Abs(y) > 0.8){
	390	return kFALSE;
	391	}
	392	} else {
	393	// appliying smooth cut for pt < 5 GeV
	394	Double_t maxFiducialY = -0.151/15ptpt+1.9/15*pt+0.4;
	395	Double_t minFiducialY = 0.151/15ptpt-1.9/15*pt-0.4;
	396	AliDebug(4,Form("pt of D* = %f (< 5), cutting according to the fiducial zone [%f, %f]\n",pt,minFiducialY,maxFiducialY));
	397	if (y < minFiducialY \|\| y > maxFiducialY){
	398	return kFALSE;
	399	}
	400	}
45bc9115	401
96462a8c	402	return kTRUE;
96462a8c	403	}