[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);

    // 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;
    
    Double_t mD0,mD0bar;
  
    Int_t okDStarP =0;
    Int_t okDStarM =0;
   
    okDStarP=1; okDStarM=1; 

    dd->InvMassD0(mD0,mD0bar);
    // Half width DStar mass
    if(TMath::Abs((d->InvMassDstarKpipi()-mDSPDG))>fCutsRD[GetGlobalIndex(9,ptbin)]) return 0;
    // Half width Delta mass
    
    if(TMath::Abs((d->InvMassDstarKpipi()-mD0)-deltaPDG) > fCutsRD[GetGlobalIndex(10,ptbin)]) okDStarP =0;
    if(TMath::Abs((d->InvMassDstarKpipi()-mD0bar)-deltaPDG) > fCutsRD[GetGlobalIndex(10,ptbin)]) okDStarM =0;
    if(!okDStarP && !okDStarM) 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
  }

  return returnvalue;
}
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
	35	ClassImp(AliRDHFCutsDStartoKpipi)
	36
	37	//--------------------------------------------------------------------------
da6fefc3	38	AliRDHFCutsDStartoKpipi::AliRDHFCutsDStartoKpipi(const char* name) :
	39	AliRDHFCuts(name),
	40	fTrackCutsSoftPi(0)
45bc9115	41	{
	42	//
	43	// Default Constructor
	44	//
	45
	46	Int_t nvars=14;
	47	SetNVars(nvars);
	48	TString varNames[14]={
	49	"inv. mass [GeV]",
	50	"dca [cm]",
	51	"cosThetaStar",
	52	"pTK [GeV/c]",
	53	"pTPi [GeV/c]",
	54	"d0K [cm]",
	55	"d0Pi [cm]",
	56	"d0d0 [cm^2]",
	57	"cosThetaPoint",
	58	"inv. mass half width of D* [GeV]",
	59	"half width of (M_Kpipi-M_D0) [GeV]",
	60	"PtMin of pi_s [GeV/c]",
	61	"PtMax of pi_s [GeV/c]",
	62	"theta, angle between the pi_s and decay plane of the D0 [rad]"};
	63	Bool_t isUpperCut[14]={
	64	kTRUE,
	65	kTRUE,
	66	kTRUE,
	67	kFALSE,
	68	kFALSE,
	69	kTRUE,
	70	kTRUE,
	71	kTRUE,
	72	kFALSE,
	73	kTRUE,
	74	kTRUE,
	75	kTRUE,
	76	kTRUE,
	77	kFALSE};
	78	SetVarNames(nvars,varNames,isUpperCut);
	79	Bool_t forOpt[14]={
	80	kFALSE,
	81	kTRUE,
	82	kTRUE,
	83	kFALSE,
	84	kFALSE,
	85	kFALSE,
	86	kFALSE,
	87	kTRUE,
	88	kTRUE,
	89	kFALSE,
	90	kTRUE,
	91	kFALSE,
	92	kFALSE,
	93	kFALSE};
	94	SetVarsForOpt(5,forOpt);
	95	Float_t limits[2]={0,999999999.};
	96	SetPtBins(2,limits);
	97	}
	98	//--------------------------------------------------------------------------
	99	AliRDHFCutsDStartoKpipi::AliRDHFCutsDStartoKpipi(const AliRDHFCutsDStartoKpipi &source) :
da6fefc3	100	AliRDHFCuts(source),
da6fefc3	101	fTrackCutsSoftPi(0)
45bc9115	102	{
	103	//
	104	// Copy constructor
	105	//
	106
da6fefc3	107	if(source.GetTrackCutsSoftPi()) AddTrackCutsSoftPi(source.GetTrackCutsSoftPi());
da6fefc3	108
45bc9115	109	}
	110	//--------------------------------------------------------------------------
	111	AliRDHFCutsDStartoKpipi &AliRDHFCutsDStartoKpipi::operator=(const AliRDHFCutsDStartoKpipi &source)
	112	{
	113	//
	114	// assignment operator
	115	//
	116	if(&source == this) return *this;
	117
	118	AliRDHFCuts::operator=(source);
	119
da6fefc3	120	if(source.GetTrackCutsSoftPi()) AddTrackCutsSoftPi(source.GetTrackCutsSoftPi());
45bc9115	121	return *this;
	122	}
	123
	124
	125	//---------------------------------------------------------------------------
	126	void AliRDHFCutsDStartoKpipi::GetCutVarsForOpt(AliAODRecoDecayHF d,Float_t vars,Int_t nvars,Int_t *pdgdaughters) {
	127	//
	128	// Fills in vars the values of the variables
	129	//
	130	if(nvars!=fnVarsForOpt) {
	131	printf("AliRDHFCutsDStartoKpipi::GetCutsVarsForOpt: wrong number of variables\n");
	132	return;
	133	}
	134
	135
	136	AliAODRecoCascadeHF* dstarD0pi = (AliAODRecoCascadeHF*)d;
	137
	138	AliAODTrack softPi = (AliAODTrack)dstarD0pi->GetBachelor();
	139
	140	AliAODRecoDecayHF2Prong* dd = (AliAODRecoDecayHF2Prong*)dstarD0pi->Get2Prong();
	141
	142	Int_t iter=-1;
	143	if(fVarsForOpt[0]){
	144	iter++;
	145	if(TMath::Abs(pdgdaughters[0])==211) {
	146	vars[iter]=dd->InvMassD0();
	147	} else {
	148	vars[iter]=dd->InvMassD0bar();
	149	}
	150	}
	151	if(fVarsForOpt[1]){
	152	iter++;
	153	vars[iter]=dd->GetDCA();
	154	}
	155	if(fVarsForOpt[2]){
	156	iter++;
	157	if(TMath::Abs(pdgdaughters[0])==211) {
	158	vars[iter] = dd->CosThetaStarD0();
	159	} else {
	160	vars[iter] = dd->CosThetaStarD0bar();
	161	}
	162	}
	163	if(fVarsForOpt[3]){
	164	iter++;
	165	if(TMath::Abs(pdgdaughters[0])==321) {
	166	vars[iter]=dd->PtProng(0);
	167	}
	168	else{
	169	vars[iter]=dd->PtProng(1);
	170	}
	171	}
	172	if(fVarsForOpt[4]){
	173	iter++;
	174	if(TMath::Abs(pdgdaughters[0])==211) {
	175	vars[iter]=dd->PtProng(0);
	176	}
	177	else{
	178	vars[iter]=dd->PtProng(1);
	179	}
	180	}
	181	if(fVarsForOpt[5]){
	182	iter++;
	183	if(TMath::Abs(pdgdaughters[0])==321) {
	184	vars[iter]=dd->Getd0Prong(0);
185	}
186	else{
187	vars[iter]=dd->Getd0Prong(1);
188	}
189	}
190	if(fVarsForOpt[6]){
191	iter++;
192	if(TMath::Abs(pdgdaughters[0])==211) {
193	vars[iter]=dd->Getd0Prong(0);
194	}
195	else{
196	vars[iter]=dd->Getd0Prong(1);
197	}
198	}
199	if(fVarsForOpt[7]){
200	iter++;
201	vars[iter]= dd->Prodd0d0();
202	}
203	if(fVarsForOpt[8]){
204	iter++;
205	vars[iter]=dd->CosPointingAngle();
206	}
207	if(fVarsForOpt[9]){
208	iter++;
209	vars[iter]=dstarD0pi->InvMassDstarKpipi();
210	}
211	if(fVarsForOpt[10]){
212	iter++;
213	vars[iter]=dstarD0pi->DeltaInvMass();
214	}
215	if(fVarsForOpt[11]){
216	iter++;
217	vars[iter] = softPi->Pt();
218	}
219	if(fVarsForOpt[12]){
220	iter++;
221	vars[iter] = softPi->Pt();
222	}
223	if(fVarsForOpt[13]){
224	iter++;
225	vars[iter] =dstarD0pi->AngleD0dkpPisoft();
226	}
227
228	return;
229	}
230	//---------------------------------------------------------------------------
231	Int_t AliRDHFCutsDStartoKpipi::IsSelected(TObject* obj,Int_t selectionLevel) {
232	//
233	// Apply selection for D*.
234	//
235	if(!fCutsRD){
236	cout<<"Cut matrice not inizialized. Exit..."<<endl;
237	return 0;
238	}
239
240	AliAODRecoCascadeHF* d = (AliAODRecoCascadeHF*)obj;
241	if(!d){
242	cout<<"AliAODRecoCascadeHF null"<<endl;
243	return 0;
244	}
245
246	AliAODRecoDecayHF2Prong* dd = (AliAODRecoDecayHF2Prong*)d->Get2Prong();
247	if(!dd){
248	cout<<"AliAODRecoDecayHF2Prong null"<<endl;
249	return 0;
250	}
251
252	AliAODTrack b = (AliAODTrack)d->GetBachelor();
253
254	// selection on daughter tracks
255	if(selectionLevel==AliRDHFCuts::kAll \|\|
256	selectionLevel==AliRDHFCuts::kTracks) {
da6fefc3	257	if(!AreDaughtersSelected(dd)) return 0;
	258	if(fTrackCutsSoftPi) {
	259	AliAODVertex *vAOD = d->GetPrimaryVtx();
	260	Double_t pos[3],cov[6];
	261	vAOD->GetXYZ(pos);
	262	vAOD->GetCovarianceMatrix(cov);
	263	const AliESDVertex vESD(pos,cov,100.,100);
	264	if(!IsDaughterSelected(b,&vESD,fTrackCutsSoftPi)) return 0;
	265	}
45bc9115	266	}
	267
	268	Int_t returnvalue=1;
	269
	270	// selection on candidate
	271	if(selectionLevel==AliRDHFCuts::kAll \|\|
	272	selectionLevel==AliRDHFCuts::kCandidate) {
	273
	274	Double_t pt=d->Pt();
	275	Int_t ptbin=PtBin(pt);
	276
	277	// select D0 that passes D* cuts
	278	returnvalue = IsD0FromDStarSelected(pt,dd,selectionLevel);
	279
	280	// DStarMass and D0mass
	281	Double_t mDSPDG = TDatabasePDG::Instance()->GetParticle(413)->Mass();
	282	Double_t mD0PDG = TDatabasePDG::Instance()->GetParticle(421)->Mass();
	283	// delta mass PDG
	284	Double_t deltaPDG = mDSPDG-mD0PDG;
	285
	286	Double_t mD0,mD0bar;
	287
	288	Int_t okDStarP =0;
	289	Int_t okDStarM =0;
	290
	291	okDStarP=1; okDStarM=1;
	292
	293	dd->InvMassD0(mD0,mD0bar);
	294	// Half width DStar mass
	295	if(TMath::Abs((d->InvMassDstarKpipi()-mDSPDG))>fCutsRD[GetGlobalIndex(9,ptbin)]) return 0;
	296	// Half width Delta mass
	297
	298	if(TMath::Abs((d->InvMassDstarKpipi()-mD0)-deltaPDG) > fCutsRD[GetGlobalIndex(10,ptbin)]) okDStarP =0;
	299	if(TMath::Abs((d->InvMassDstarKpipi()-mD0bar)-deltaPDG) > fCutsRD[GetGlobalIndex(10,ptbin)]) okDStarM =0;
	300	if(!okDStarP && !okDStarM) return 0;
	301
	302	// cut on soft pion pt
	303	if(b->Pt() < fCutsRD[GetGlobalIndex(11,ptbin)] \|\| b->Pt() > fCutsRD[GetGlobalIndex(12,ptbin)]) return 0;
	304	// cut on the angle between D0 decay plane and soft pion
	305	if(d->AngleD0dkpPisoft() > fCutsRD[GetGlobalIndex(13,ptbin)]) return 0;
	306
	307	}
	308
	309	return returnvalue;
	310	}
	311	//_________________________________________________________________________________________________
da6fefc3	312	Int_t AliRDHFCutsDStartoKpipi::IsD0FromDStarSelected(Double_t pt, TObject* obj,Int_t selectionLevel) const {
45bc9115	313	//
	314	// Apply selection for D0 from D*. The selection in on D0 prongs
	315	//
	316
	317	if(!fCutsRD){
	318	cout<<"Cut matrice not inizialized. Exit..."<<endl;
	319	return 0;
	320	}
	321
	322	AliAODRecoDecayHF2Prong* dd = (AliAODRecoDecayHF2Prong*)obj;
	323
	324	if(!dd){
	325	cout<<"AliAODRecoDecayHF2Prong null"<<endl;
	326	return 0;
	327	}
	328
da6fefc3	329	// selection on daughter tracks is done in IsSelected()
45bc9115	330
	331	Int_t returnvalue=1;
	332
	333	// selection on candidate
	334	if(selectionLevel==AliRDHFCuts::kAll \|\|
	335	selectionLevel==AliRDHFCuts::kCandidate) {
	336
	337	// D0 mass
	338	Double_t mD0PDG = TDatabasePDG::Instance()->GetParticle(421)->Mass();
	339	// delta mass PDG
	340
	341	Int_t ptbin=PtBin(pt);
	342
	343	Double_t mD0,mD0bar,ctsD0,ctsD0bar;
	344
	345	Int_t okD0 =0;
	346	Int_t okD0bar =0;
	347	okD0=1; okD0bar=1;
	348
	349	if(dd->PtProng(1) < fCutsRD[GetGlobalIndex(3,ptbin)] \|\| dd->PtProng(0) < fCutsRD[GetGlobalIndex(4,ptbin)]) okD0 = 0;
	350	if(dd->PtProng(0) < fCutsRD[GetGlobalIndex(3,ptbin)] \|\| dd->PtProng(1) < fCutsRD[GetGlobalIndex(4,ptbin)]) okD0bar = 0;
	351
	352	if(!okD0 && !okD0bar) return 0;
	353
	354	if(TMath::Abs(dd->Getd0Prong(1)) > fCutsRD[GetGlobalIndex(5,ptbin)] \|\|
	355	TMath::Abs(dd->Getd0Prong(0)) > fCutsRD[GetGlobalIndex(6,ptbin)]) okD0 = 0;
	356	if(TMath::Abs(dd->Getd0Prong(0)) > fCutsRD[GetGlobalIndex(6,ptbin)] \|\|
	357	TMath::Abs(dd->Getd0Prong(1)) > fCutsRD[GetGlobalIndex(5,ptbin)]) okD0bar = 0;
	358	if(!okD0 && !okD0bar) return 0;
	359
	360	if(dd->GetDCA() > fCutsRD[GetGlobalIndex(1,ptbin)]) return 0;
	361
	362	dd->InvMassD0(mD0,mD0bar);
	363	if(TMath::Abs(mD0-mD0PDG) > fCutsRD[GetGlobalIndex(0,ptbin)]) okD0 = 0;
	364	if(TMath::Abs(mD0bar-mD0PDG) > fCutsRD[GetGlobalIndex(0,ptbin)]) okD0bar = 0;
	365	if(!okD0 && !okD0bar) return 0;
	366
	367	dd->CosThetaStarD0(ctsD0,ctsD0bar);
	368	if(TMath::Abs(ctsD0) > fCutsRD[GetGlobalIndex(2,ptbin)]) okD0 = 0;
	369	if(TMath::Abs(ctsD0bar) > fCutsRD[GetGlobalIndex(2,ptbin)]) okD0bar = 0;
	370	if(!okD0 && !okD0bar) return 0;
	371
	372	if(dd->Prodd0d0() > fCutsRD[GetGlobalIndex(7,ptbin)]) return 0;
	373
	374	if(dd->CosPointingAngle() < fCutsRD[GetGlobalIndex(8,ptbin)]) return 0;
	375
	376	if (okD0) returnvalue=1; //cuts passed as D0
	377	if (okD0bar) returnvalue=2; //cuts passed as D0bar
	378	if (okD0 && okD0bar) returnvalue=3; //both
	379	}
	380
	381	return returnvalue;
	382	}
	383
	384