[u/mrichter/AliRoot.git] / PWG3 / vertexingHF / AliAODRecoDecayHF3Prong.cxx

/**************************************************************************
 * Copyright(c) 1998-2006, 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.                  *
 **************************************************************************/

/////////////////////////////////////////////////////////////
//
// Base class for AOD reconstructed heavy-flavour 3-prong decay
//
// Author: E.Bruna bruna@to.infn.it, F.Prino prino@to.infn.it
/////////////////////////////////////////////////////////////

#include <TDatabasePDG.h>
#include "AliAODRecoDecayHF.h"
#include "AliAODRecoDecayHF3Prong.h"

ClassImp(AliAODRecoDecayHF3Prong)

//--------------------------------------------------------------------------
AliAODRecoDecayHF3Prong::AliAODRecoDecayHF3Prong() :
  AliAODRecoDecayHF(), 
  fSigmaVert(0),
  fDist12toPrim(0),
  fDist23toPrim(0)
{
  //
  // Default Constructor
  //
}
//--------------------------------------------------------------------------
AliAODRecoDecayHF3Prong::AliAODRecoDecayHF3Prong(AliAODVertex *vtx2,
						 Double_t *px,Double_t *py,Double_t *pz,
						 Double_t *d0,Double_t *d0err,
						 Double_t *dca, Double_t sigvert,
						 Double_t dist12,Double_t dist23,Short_t charge) :
  AliAODRecoDecayHF(vtx2,3,charge,px,py,pz,d0,d0err),
  fSigmaVert(sigvert),
  fDist12toPrim(dist12),
  fDist23toPrim(dist23)
{
  //
  // Constructor with AliAODVertex for decay vertex
  //
  SetDCAs(3,dca);
}
//--------------------------------------------------------------------------
AliAODRecoDecayHF3Prong::AliAODRecoDecayHF3Prong(AliAODVertex *vtx2,
						 Double_t *d0,Double_t *d0err,
						 Double_t *dca, Double_t sigvert,
						 Double_t dist12,Double_t dist23, Short_t charge) :
  AliAODRecoDecayHF(vtx2,3,charge,d0,d0err),
  fSigmaVert(sigvert),
  fDist12toPrim(dist12),
  fDist23toPrim(dist23)
{
  //
  // Constructor with AliAODVertex for decay vertex and without prongs momenta
  //
  SetDCAs(3,dca);
}
//--------------------------------------------------------------------------
AliAODRecoDecayHF3Prong::AliAODRecoDecayHF3Prong(const AliAODRecoDecayHF3Prong &source) :
  AliAODRecoDecayHF(source),
  fSigmaVert(source.fSigmaVert),
  fDist12toPrim(source.fDist12toPrim),
  fDist23toPrim(source.fDist23toPrim)
{
  //
  // Copy constructor
  //
}
//--------------------------------------------------------------------------
AliAODRecoDecayHF3Prong &AliAODRecoDecayHF3Prong::operator=(const AliAODRecoDecayHF3Prong &source)
{
  //
  // assignment operator
  //
  if(&source == this) return *this;
  fOwnPrimaryVtx = source.fOwnPrimaryVtx;
  fSecondaryVtx = source.fSecondaryVtx;
  fCharge = source.fCharge;
  fNProngs = source.fNProngs;
  fNDCA = source.fNDCA;
  fNPID = source.fNPID;
  fEventNumber = source.fEventNumber;
  fRunNumber = source.fRunNumber;
  fDist12toPrim= source.fDist12toPrim;
  fDist23toPrim= source.fDist23toPrim;
  fSigmaVert= source.fSigmaVert;
  if(source.GetNProngs()>0) {
    fd0 = new Double_t[GetNProngs()];
    fd0err = new Double_t[GetNProngs()];
    memcpy(fd0,source.fd0,GetNProngs()*sizeof(Double_t));
    memcpy(fd0err,source.fd0err,GetNProngs()*sizeof(Double_t));
    if(source.fPx) {
      fPx = new Double_t[GetNProngs()];
      fPy = new Double_t[GetNProngs()];
      fPz = new Double_t[GetNProngs()];
      memcpy(fPx,source.fPx,GetNProngs()*sizeof(Double_t));
      memcpy(fPy,source.fPy,GetNProngs()*sizeof(Double_t));
      memcpy(fPz,source.fPz,GetNProngs()*sizeof(Double_t));
    }
    if(source.fPID) {
      fPID = new Double_t[5*GetNProngs()];
      memcpy(fPID,source.fPID,GetNProngs()*sizeof(Double_t));
    }
    if(source.fDCA) {
      fDCA = new Double32_t[GetNProngs()*(GetNProngs()-1)/2];
      memcpy(fDCA,source.fDCA,(GetNProngs()*(GetNProngs()-1)/2)*sizeof(Float_t));
    }
    if(source.fProngID) {
      fProngID = new UShort_t[GetNProngs()];
      memcpy(fProngID,source.fProngID,GetNProngs()*sizeof(UShort_t));
    }
  }
  return *this;
}
//--------------------------------------------------------------------------
Bool_t AliAODRecoDecayHF3Prong::SelectDplus(const Double_t *cuts)
  const {
//
// This function compares the Dplus with a set of cuts:
//
// cuts[0] = inv. mass half width [GeV]   
// cuts[1] = pTK [GeV/c]
// cuts[2] = pTPi [GeV/c]
// cuts[3] = d0K [cm]   lower limit!
// cuts[4] = d0Pi [cm]  lower limit!
// cuts[5] = dist12 (cm)
// cuts[6] = sigmavert (cm)
// cuts[7] = dist prim-sec (cm)
// cuts[8] = pM=Max{pT1,pT2,pT3} (GeV/c)
// cuts[9] = cosThetaPoint
// cuts[10] = Sum d0^2 (cm^2)
// cuts[11] = dca cut (cm)
//
// If candidate Dplus does not pass the cuts return kFALSE
//

  Double_t mDplusPDG = TDatabasePDG::Instance()->GetParticle(411)->Mass();
  Double_t mDplus=InvMassDplus();
  if(TMath::Abs(mDplus-mDplusPDG)>cuts[0])return kFALSE;
  //single track
  if(TMath::Abs(PtProng(1)) < cuts[1] || TMath::Abs(Getd0Prong(1))<cuts[3])return kFALSE;//Kaon
  if(TMath::Abs(PtProng(0)) < cuts[2] || TMath::Abs(Getd0Prong(0))<cuts[4])return kFALSE;//Pion1
  if(TMath::Abs(PtProng(2)) < cuts[2] || TMath::Abs(Getd0Prong(2))<cuts[4])return kFALSE;//Pion2

  //DCA
  for(Int_t i=0;i<3;i++) if(GetDCA(i)>cuts[11])return kFALSE;

  //2track cuts
  if(fDist12toPrim<cuts[5] || fDist23toPrim<cuts[5])return kFALSE;
  if(Getd0Prong(0)*Getd0Prong(1)<0. && Getd0Prong(2)*Getd0Prong(1)<0.)return kFALSE;

  //sec vert
  if(fSigmaVert>cuts[6])return kFALSE;

  if(DecayLength()<cuts[7])return kFALSE;

  if(TMath::Abs(PtProng(0))<cuts[8] && TMath::Abs(PtProng(1))<cuts[8] && TMath::Abs(PtProng(2))<cuts[8])return kFALSE;
  if(CosPointingAngle()   < cuts[9])return kFALSE;
  Double_t sum2=Getd0Prong(0)*Getd0Prong(0)+Getd0Prong(1)*Getd0Prong(1)+Getd0Prong(2)*Getd0Prong(2);
  if(sum2<cuts[10])return kFALSE;
  return kTRUE;
}
//--------------------------------------------------------------------------
Bool_t AliAODRecoDecayHF3Prong::SelectDs(const Double_t *cuts,Int_t &okDsKKpi,Int_t &okDspiKK)
  const {
//
// This function compares the Ds with a set of cuts 
// (same variables as D+, for now)
//
// cuts[0] = inv. mass half width [GeV]   
// cuts[1] = pTK [GeV/c]
// cuts[2] = pTPi [GeV/c]
// cuts[3] = d0K [cm]   lower limit!
// cuts[4] = d0Pi [cm]  lower limit!
// cuts[5] = dist12 (cm)
// cuts[6] = sigmavert (cm)
// cuts[7] = dist prim-sec (cm)
// cuts[8] = pM=Max{pT1,pT2,pT3} (GeV/c)
// cuts[9] = cosThetaPoint
// cuts[10] = Sum d0^2 (cm^2)
// cuts[11] = dca cut (cm)
// cuts[12] = max. inv. mass difference(Mphi-MKK and MK0*-MKpi) [GeV] 
//
// If candidate Ds does not pass the cuts return kFALSE
//
  Double_t mDsKKpi,mDspiKK;
  okDsKKpi=1; okDspiKK=1;

  Double_t mDsPDG = TDatabasePDG::Instance()->GetParticle(431)->Mass();

  mDsKKpi=InvMassDsKKpi();
  mDspiKK=InvMassDspiKK();

  if(TMath::Abs(mDsKKpi-mDsPDG)>cuts[0]) okDsKKpi = 0;
  if(TMath::Abs(mDspiKK-mDsPDG)>cuts[0]) okDspiKK = 0;
  if(!okDsKKpi && !okDspiKK) return kFALSE;

  //single track
  if(TMath::Abs(PtProng(0)) < cuts[1] || TMath::Abs(Getd0Prong(0))<cuts[3])return kFALSE;//Kaon1
  if(TMath::Abs(PtProng(1)) < cuts[1] || TMath::Abs(Getd0Prong(1))<cuts[3])return kFALSE;//Kaon2
  if(TMath::Abs(PtProng(2)) < cuts[2] || TMath::Abs(Getd0Prong(2))<cuts[4])return kFALSE;//Pion

  // cuts on resonant decays (via Phi or K0*)
  Bool_t okMassPhi=1;
  Double_t mass01phi=InvMass2Prongs(0,1,321,321);
  Double_t mass12phi=InvMass2Prongs(1,2,321,321);
  Double_t mPhiPDG = TDatabasePDG::Instance()->GetParticle(333)->Mass();
  if(TMath::Abs(mass01phi-mPhiPDG)>cuts[12] && TMath::Abs(mass12phi-mPhiPDG)>cuts[12]) okMassPhi = 0;
  Bool_t okMassK0star=1;
  Double_t mass01K0s=InvMass2Prongs(0,1,211,321);
  Double_t mass12K0s=InvMass2Prongs(1,2,321,211);
  Double_t mK0sPDG = TDatabasePDG::Instance()->GetParticle(313)->Mass();
  if(TMath::Abs(mass01K0s-mK0sPDG)>cuts[12] && TMath::Abs(mass12K0s-mK0sPDG)>cuts[12]) okMassK0star = 0;
  if(!okMassPhi && !okMassK0star) return kFALSE;
  
  //DCA
  for(Int_t i=0;i<3;i++) if(GetDCA(i)>cuts[11])return kFALSE;

  //2track cuts
  if(fDist12toPrim<cuts[5] || fDist23toPrim<cuts[5])return kFALSE;

  //sec vert
  if(fSigmaVert>cuts[6])return kFALSE;

  if(DecayLength()<cuts[7])return kFALSE;

  if(TMath::Abs(PtProng(0))<cuts[8] && TMath::Abs(PtProng(1))<cuts[8] && TMath::Abs(PtProng(2))<cuts[8])return kFALSE;
  if(CosPointingAngle()   < cuts[9])return kFALSE;
  Double_t sum2=Getd0Prong(0)*Getd0Prong(0)+Getd0Prong(1)*Getd0Prong(1)+Getd0Prong(2)*Getd0Prong(2);
  if(sum2<cuts[10])return kFALSE;

  return kTRUE;
}
//--------------------------------------------------------------------------
Bool_t AliAODRecoDecayHF3Prong::SelectLc(const Double_t *cuts,Int_t &okLcpKpi,Int_t &okLcpiKp)
  const {
//
// This function compares the Lc with a set of cuts 
// (same variables as D+, for now)
//
// cuts[0] = inv. mass half width [GeV]   
// cuts[1] = pTP [GeV/c]
// cuts[2] = pTPi and pTK [GeV/c]
// cuts[3] = d0P [cm]   lower limit!
// cuts[4] = d0Pi and d0K [cm]  lower limit!
// cuts[5] = dist12 (cm)
// cuts[6] = sigmavert (cm)
// cuts[7] = dist prim-sec (cm)
// cuts[8] = pM=Max{pT1,pT2,pT3} (GeV/c)
// cuts[9] = cosThetaPoint
// cuts[10] = Sum d0^2 (cm^2)
// cuts[11] = dca cut (cm)
//
// If candidate Lc does not pass the cuts return kFALSE
//
  Double_t mLcpKpi,mLcpiKp;
  okLcpKpi=1; okLcpiKp=1;

  Double_t mLcPDG = TDatabasePDG::Instance()->GetParticle(4122)->Mass();

  mLcpKpi=InvMassLcpKpi();
  mLcpiKp=InvMassLcpiKp();

  if(TMath::Abs(mLcpKpi-mLcPDG)>cuts[0]) okLcpKpi = 0;
  if(TMath::Abs(mLcpiKp-mLcPDG)>cuts[0]) okLcpiKp = 0;
  if(!okLcpKpi && !okLcpiKp) return kFALSE;

  //single track
  if(TMath::Abs(PtProng(0)) < cuts[1] || TMath::Abs(Getd0Prong(0))<cuts[3])return kFALSE;//Proton
  if(TMath::Abs(PtProng(1)) < cuts[2] || TMath::Abs(Getd0Prong(1))<cuts[4])return kFALSE;//Kaon
  if(TMath::Abs(PtProng(2)) < cuts[2] || TMath::Abs(Getd0Prong(2))<cuts[4])return kFALSE;//Pion

  //DCA
  for(Int_t i=0;i<3;i++) if(GetDCA(i)>cuts[11])return kFALSE;

  //2track cuts
  if(fDist12toPrim<cuts[5] || fDist23toPrim<cuts[5])return kFALSE;
  if(Getd0Prong(0)*Getd0Prong(1)<0. && Getd0Prong(2)*Getd0Prong(1)<0.)return kFALSE;

  //sec vert
  if(fSigmaVert>cuts[6])return kFALSE;

  if(DecayLength()<cuts[7])return kFALSE;

  if(TMath::Abs(PtProng(0))<cuts[8] && TMath::Abs(PtProng(1))<cuts[8] && TMath::Abs(PtProng(2))<cuts[8])return kFALSE;
  if(CosPointingAngle()   < cuts[9])return kFALSE;
  Double_t sum2=Getd0Prong(0)*Getd0Prong(0)+Getd0Prong(1)*Getd0Prong(1)+Getd0Prong(2)*Getd0Prong(2);
  if(sum2<cuts[10])return kFALSE;

  return kTRUE;
}
Commit	Line	Data
3244eeed	1	/**************************************************************************
	2	* Copyright(c) 1998-2006, 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	// Base class for AOD reconstructed heavy-flavour 3-prong decay
	19	//
	20	// Author: E.Bruna bruna@to.infn.it, F.Prino prino@to.infn.it
	21	/////////////////////////////////////////////////////////////
	22
	23	#include <TDatabasePDG.h>
	24	#include "AliAODRecoDecayHF.h"
	25	#include "AliAODRecoDecayHF3Prong.h"
	26
	27	ClassImp(AliAODRecoDecayHF3Prong)
	28
	29	//--------------------------------------------------------------------------
	30	AliAODRecoDecayHF3Prong::AliAODRecoDecayHF3Prong() :
	31	AliAODRecoDecayHF(),
	32	fSigmaVert(0),
	33	fDist12toPrim(0),
	34	fDist23toPrim(0)
	35	{
	36	//
	37	// Default Constructor
	38	//
	39	}
	40	//--------------------------------------------------------------------------
	41	AliAODRecoDecayHF3Prong::AliAODRecoDecayHF3Prong(AliAODVertex *vtx2,
	42	Double_t px,Double_t py,Double_t *pz,
	43	Double_t d0,Double_t d0err,
	44	Double_t *dca, Double_t sigvert,
	45	Double_t dist12,Double_t dist23,Short_t charge) :
	46	AliAODRecoDecayHF(vtx2,3,charge,px,py,pz,d0,d0err),
	47	fSigmaVert(sigvert),
	48	fDist12toPrim(dist12),
	49	fDist23toPrim(dist23)
	50	{
	51	//
	52	// Constructor with AliAODVertex for decay vertex
	53	//
6185d025	54	SetDCAs(3,dca);
3244eeed	55	}
	56	//--------------------------------------------------------------------------
	57	AliAODRecoDecayHF3Prong::AliAODRecoDecayHF3Prong(AliAODVertex *vtx2,
	58	Double_t d0,Double_t d0err,
	59	Double_t *dca, Double_t sigvert,
	60	Double_t dist12,Double_t dist23, Short_t charge) :
	61	AliAODRecoDecayHF(vtx2,3,charge,d0,d0err),
	62	fSigmaVert(sigvert),
	63	fDist12toPrim(dist12),
	64	fDist23toPrim(dist23)
	65	{
	66	//
	67	// Constructor with AliAODVertex for decay vertex and without prongs momenta
	68	//
6185d025	69	SetDCAs(3,dca);
3244eeed	70	}
	71	//--------------------------------------------------------------------------
	72	AliAODRecoDecayHF3Prong::AliAODRecoDecayHF3Prong(const AliAODRecoDecayHF3Prong &source) :
	73	AliAODRecoDecayHF(source),
	74	fSigmaVert(source.fSigmaVert),
	75	fDist12toPrim(source.fDist12toPrim),
	76	fDist23toPrim(source.fDist23toPrim)
	77	{
	78	//
	79	// Copy constructor
	80	//
	81	}
	82	//--------------------------------------------------------------------------
	83	AliAODRecoDecayHF3Prong &AliAODRecoDecayHF3Prong::operator=(const AliAODRecoDecayHF3Prong &source)
	84	{
	85	//
	86	// assignment operator
	87	//
	88	if(&source == this) return *this;
	89	fOwnPrimaryVtx = source.fOwnPrimaryVtx;
	90	fSecondaryVtx = source.fSecondaryVtx;
	91	fCharge = source.fCharge;
	92	fNProngs = source.fNProngs;
	93	fNDCA = source.fNDCA;
	94	fNPID = source.fNPID;
	95	fEventNumber = source.fEventNumber;
	96	fRunNumber = source.fRunNumber;
	97	fDist12toPrim= source.fDist12toPrim;
	98	fDist23toPrim= source.fDist23toPrim;
	99	fSigmaVert= source.fSigmaVert;
	100	if(source.GetNProngs()>0) {
	101	fd0 = new Double_t[GetNProngs()];
	102	fd0err = new Double_t[GetNProngs()];
	103	memcpy(fd0,source.fd0,GetNProngs()*sizeof(Double_t));
	104	memcpy(fd0err,source.fd0err,GetNProngs()*sizeof(Double_t));
	105	if(source.fPx) {
	106	fPx = new Double_t[GetNProngs()];
	107	fPy = new Double_t[GetNProngs()];
	108	fPz = new Double_t[GetNProngs()];
	109	memcpy(fPx,source.fPx,GetNProngs()*sizeof(Double_t));
	110	memcpy(fPy,source.fPy,GetNProngs()*sizeof(Double_t));
	111	memcpy(fPz,source.fPz,GetNProngs()*sizeof(Double_t));
	112	}
	113	if(source.fPID) {
	114	fPID = new Double_t[5*GetNProngs()];
	115	memcpy(fPID,source.fPID,GetNProngs()*sizeof(Double_t));
	116	}
	117	if(source.fDCA) {
057c80d4	118	fDCA = new Double32_t[GetNProngs()*(GetNProngs()-1)/2];
3244eeed	119	memcpy(fDCA,source.fDCA,(GetNProngs()(GetNProngs()-1)/2)sizeof(Float_t));
3244eeed	120	}
6185d025	121	if(source.fProngID) {
	122	fProngID = new UShort_t[GetNProngs()];
	123	memcpy(fProngID,source.fProngID,GetNProngs()*sizeof(UShort_t));
	124	}
3244eeed	125	}
	126	return *this;
	127	}
	128	//--------------------------------------------------------------------------
	129	Bool_t AliAODRecoDecayHF3Prong::SelectDplus(const Double_t *cuts)
	130	const {
	131	//
	132	// This function compares the Dplus with a set of cuts:
	133	//
	134	// cuts[0] = inv. mass half width [GeV]
	135	// cuts[1] = pTK [GeV/c]
	136	// cuts[2] = pTPi [GeV/c]
	137	// cuts[3] = d0K [cm] lower limit!
	138	// cuts[4] = d0Pi [cm] lower limit!
	139	// cuts[5] = dist12 (cm)
	140	// cuts[6] = sigmavert (cm)
	141	// cuts[7] = dist prim-sec (cm)
	142	// cuts[8] = pM=Max{pT1,pT2,pT3} (GeV/c)
	143	// cuts[9] = cosThetaPoint
	144	// cuts[10] = Sum d0^2 (cm^2)
	145	// cuts[11] = dca cut (cm)
	146	//
	147	// If candidate Dplus does not pass the cuts return kFALSE
	148	//
	149
	150	Double_t mDplusPDG = TDatabasePDG::Instance()->GetParticle(411)->Mass();
	151	Double_t mDplus=InvMassDplus();
	152	if(TMath::Abs(mDplus-mDplusPDG)>cuts[0])return kFALSE;
	153	//single track
	154	if(TMath::Abs(PtProng(1)) < cuts[1] \|\| TMath::Abs(Getd0Prong(1))<cuts[3])return kFALSE;//Kaon
	155	if(TMath::Abs(PtProng(0)) < cuts[2] \|\| TMath::Abs(Getd0Prong(0))<cuts[4])return kFALSE;//Pion1
	156	if(TMath::Abs(PtProng(2)) < cuts[2] \|\| TMath::Abs(Getd0Prong(2))<cuts[4])return kFALSE;//Pion2
	157
	158	//DCA
81679460	159	for(Int_t i=0;i<3;i++) if(GetDCA(i)>cuts[11])return kFALSE;
3244eeed	160
	161	//2track cuts
	162	if(fDist12toPrim<cuts[5] \|\| fDist23toPrim<cuts[5])return kFALSE;
	163	if(Getd0Prong(0)Getd0Prong(1)<0. && Getd0Prong(2)Getd0Prong(1)<0.)return kFALSE;
	164
	165	//sec vert
	166	if(fSigmaVert>cuts[6])return kFALSE;
	167
	168	if(DecayLength()<cuts[7])return kFALSE;
	169
	170	if(TMath::Abs(PtProng(0))<cuts[8] && TMath::Abs(PtProng(1))<cuts[8] && TMath::Abs(PtProng(2))<cuts[8])return kFALSE;
	171	if(CosPointingAngle() < cuts[9])return kFALSE;
	172	Double_t sum2=Getd0Prong(0)Getd0Prong(0)+Getd0Prong(1)Getd0Prong(1)+Getd0Prong(2)*Getd0Prong(2);
	173	if(sum2<cuts[10])return kFALSE;
	174	return kTRUE;
	175	}
79250a2b	176	//--------------------------------------------------------------------------
	177	Bool_t AliAODRecoDecayHF3Prong::SelectDs(const Double_t *cuts,Int_t &okDsKKpi,Int_t &okDspiKK)
	178	const {
	179	//
6ea608bf	180	// This function compares the Ds with a set of cuts
6ea608bf	181	// (same variables as D+, for now)
79250a2b	182	//
79250a2b	183	// cuts[0] = inv. mass half width [GeV]
6ea608bf	184	// cuts[1] = pTK [GeV/c]
	185	// cuts[2] = pTPi [GeV/c]
	186	// cuts[3] = d0K [cm] lower limit!
	187	// cuts[4] = d0Pi [cm] lower limit!
	188	// cuts[5] = dist12 (cm)
	189	// cuts[6] = sigmavert (cm)
	190	// cuts[7] = dist prim-sec (cm)
	191	// cuts[8] = pM=Max{pT1,pT2,pT3} (GeV/c)
	192	// cuts[9] = cosThetaPoint
	193	// cuts[10] = Sum d0^2 (cm^2)
	194	// cuts[11] = dca cut (cm)
81679460	195	// cuts[12] = max. inv. mass difference(Mphi-MKK and MK0*-MKpi) [GeV]
79250a2b	196	//
	197	// If candidate Ds does not pass the cuts return kFALSE
	198	//
	199	Double_t mDsKKpi,mDspiKK;
	200	okDsKKpi=1; okDspiKK=1;
	201
	202	Double_t mDsPDG = TDatabasePDG::Instance()->GetParticle(431)->Mass();
	203
	204	mDsKKpi=InvMassDsKKpi();
	205	mDspiKK=InvMassDspiKK();
	206
	207	if(TMath::Abs(mDsKKpi-mDsPDG)>cuts[0]) okDsKKpi = 0;
	208	if(TMath::Abs(mDspiKK-mDsPDG)>cuts[0]) okDspiKK = 0;
	209	if(!okDsKKpi && !okDspiKK) return kFALSE;
	210
6ea608bf	211	//single track
	212	if(TMath::Abs(PtProng(0)) < cuts[1] \|\| TMath::Abs(Getd0Prong(0))<cuts[3])return kFALSE;//Kaon1
	213	if(TMath::Abs(PtProng(1)) < cuts[1] \|\| TMath::Abs(Getd0Prong(1))<cuts[3])return kFALSE;//Kaon2
81679460	214	if(TMath::Abs(PtProng(2)) < cuts[2] \|\| TMath::Abs(Getd0Prong(2))<cuts[4])return kFALSE;//Pion
6ea608bf	215
81679460	216	// cuts on resonant decays (via Phi or K0*)
	217	Bool_t okMassPhi=1;
	218	Double_t mass01phi=InvMass2Prongs(0,1,321,321);
	219	Double_t mass12phi=InvMass2Prongs(1,2,321,321);
	220	Double_t mPhiPDG = TDatabasePDG::Instance()->GetParticle(333)->Mass();
	221	if(TMath::Abs(mass01phi-mPhiPDG)>cuts[12] && TMath::Abs(mass12phi-mPhiPDG)>cuts[12]) okMassPhi = 0;
	222	Bool_t okMassK0star=1;
	223	Double_t mass01K0s=InvMass2Prongs(0,1,211,321);
	224	Double_t mass12K0s=InvMass2Prongs(1,2,321,211);
	225	Double_t mK0sPDG = TDatabasePDG::Instance()->GetParticle(313)->Mass();
	226	if(TMath::Abs(mass01K0s-mK0sPDG)>cuts[12] && TMath::Abs(mass12K0s-mK0sPDG)>cuts[12]) okMassK0star = 0;
	227	if(!okMassPhi && !okMassK0star) return kFALSE;
	228
6ea608bf	229	//DCA
81679460	230	for(Int_t i=0;i<3;i++) if(GetDCA(i)>cuts[11])return kFALSE;
6ea608bf	231
	232	//2track cuts
	233	if(fDist12toPrim<cuts[5] \|\| fDist23toPrim<cuts[5])return kFALSE;
6ea608bf	234
	235	//sec vert
	236	if(fSigmaVert>cuts[6])return kFALSE;
	237
	238	if(DecayLength()<cuts[7])return kFALSE;
	239
	240	if(TMath::Abs(PtProng(0))<cuts[8] && TMath::Abs(PtProng(1))<cuts[8] && TMath::Abs(PtProng(2))<cuts[8])return kFALSE;
	241	if(CosPointingAngle() < cuts[9])return kFALSE;
	242	Double_t sum2=Getd0Prong(0)Getd0Prong(0)+Getd0Prong(1)Getd0Prong(1)+Getd0Prong(2)*Getd0Prong(2);
	243	if(sum2<cuts[10])return kFALSE;
	244
79250a2b	245	return kTRUE;
	246	}
	247	//--------------------------------------------------------------------------
	248	Bool_t AliAODRecoDecayHF3Prong::SelectLc(const Double_t *cuts,Int_t &okLcpKpi,Int_t &okLcpiKp)
	249	const {
	250	//
6ea608bf	251	// This function compares the Lc with a set of cuts
6ea608bf	252	// (same variables as D+, for now)
79250a2b	253	//
79250a2b	254	// cuts[0] = inv. mass half width [GeV]
6ea608bf	255	// cuts[1] = pTP [GeV/c]
	256	// cuts[2] = pTPi and pTK [GeV/c]
	257	// cuts[3] = d0P [cm] lower limit!
	258	// cuts[4] = d0Pi and d0K [cm] lower limit!
	259	// cuts[5] = dist12 (cm)
	260	// cuts[6] = sigmavert (cm)
	261	// cuts[7] = dist prim-sec (cm)
	262	// cuts[8] = pM=Max{pT1,pT2,pT3} (GeV/c)
	263	// cuts[9] = cosThetaPoint
	264	// cuts[10] = Sum d0^2 (cm^2)
	265	// cuts[11] = dca cut (cm)
79250a2b	266	//
	267	// If candidate Lc does not pass the cuts return kFALSE
	268	//
	269	Double_t mLcpKpi,mLcpiKp;
	270	okLcpKpi=1; okLcpiKp=1;
	271
	272	Double_t mLcPDG = TDatabasePDG::Instance()->GetParticle(4122)->Mass();
	273
	274	mLcpKpi=InvMassLcpKpi();
	275	mLcpiKp=InvMassLcpiKp();
	276
	277	if(TMath::Abs(mLcpKpi-mLcPDG)>cuts[0]) okLcpKpi = 0;
	278	if(TMath::Abs(mLcpiKp-mLcPDG)>cuts[0]) okLcpiKp = 0;
	279	if(!okLcpKpi && !okLcpiKp) return kFALSE;
	280
6ea608bf	281	//single track
	282	if(TMath::Abs(PtProng(0)) < cuts[1] \|\| TMath::Abs(Getd0Prong(0))<cuts[3])return kFALSE;//Proton
	283	if(TMath::Abs(PtProng(1)) < cuts[2] \|\| TMath::Abs(Getd0Prong(1))<cuts[4])return kFALSE;//Kaon
	284	if(TMath::Abs(PtProng(2)) < cuts[2] \|\| TMath::Abs(Getd0Prong(2))<cuts[4])return kFALSE;//Pion
	285
	286	//DCA
81679460	287	for(Int_t i=0;i<3;i++) if(GetDCA(i)>cuts[11])return kFALSE;
6ea608bf	288
	289	//2track cuts
	290	if(fDist12toPrim<cuts[5] \|\| fDist23toPrim<cuts[5])return kFALSE;
	291	if(Getd0Prong(0)Getd0Prong(1)<0. && Getd0Prong(2)Getd0Prong(1)<0.)return kFALSE;
	292
	293	//sec vert
	294	if(fSigmaVert>cuts[6])return kFALSE;
	295
	296	if(DecayLength()<cuts[7])return kFALSE;
	297
	298	if(TMath::Abs(PtProng(0))<cuts[8] && TMath::Abs(PtProng(1))<cuts[8] && TMath::Abs(PtProng(2))<cuts[8])return kFALSE;
	299	if(CosPointingAngle() < cuts[9])return kFALSE;
	300	Double_t sum2=Getd0Prong(0)Getd0Prong(0)+Getd0Prong(1)Getd0Prong(1)+Getd0Prong(2)*Getd0Prong(2);
	301	if(sum2<cuts[10])return kFALSE;
	302
79250a2b	303	return kTRUE;
79250a2b	304	}