+++ /dev/null
-/**************************************************************************
-* Copyright(c) 1998-1999, 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. *
-**************************************************************************/
-//
-// Signal cuts
-// Checks whether a particle (reconstructed or MC) is coming from MC Signal
-// For more information see implementation file
-//
-// Autor:
-// Markus Fasel <M.Fasel@gsi.de>
-//
-#include <TClass.h>
-#include <TMath.h>
-#include <TParticle.h>
-#include <TString.h>
-
-#include "AliAODTrack.h"
-#include "AliAODMCParticle.h"
-#include "AliESDtrack.h"
-#include "AliLog.h"
-#include "AliMCEvent.h"
-#include "AliMCParticle.h"
-#include "AliVParticle.h"
-
-#include "AliHFEsignalCuts.h"
-#include "AliHFEmcQA.h"
-
-ClassImp(AliHFEsignalCuts)
-
-//____________________________________________________________
-AliHFEsignalCuts::AliHFEsignalCuts():
- AliAnalysisCuts(),
- fMC(NULL),
- fMCQA(NULL)
-{
- //
- // Dummy constructor
- //
-}
-
-//____________________________________________________________
-AliHFEsignalCuts::AliHFEsignalCuts(const Char_t *name, const Char_t *title):
- AliAnalysisCuts(name, title),
- fMC(NULL),
- fMCQA(NULL)
-{
- //
- // Default constructor
- //
- fMCQA = new AliHFEmcQA;
- if(fMCQA) fMCQA->Init();
-}
-
-//____________________________________________________________
-AliHFEsignalCuts::AliHFEsignalCuts(const AliHFEsignalCuts &ref):
- AliAnalysisCuts(ref),
- fMC(ref.fMC),
- fMCQA(ref.fMCQA)
-{
- //
- // Copy constructor
- //
-}
-
-//____________________________________________________________
-AliHFEsignalCuts &AliHFEsignalCuts::operator=(const AliHFEsignalCuts &ref){
- //
- // Assignment operator
- //
- if(this != &ref){
- fMC = ref.fMC;
- fMCQA = ref.fMCQA;
- }
- return *this;
-}
-
-//____________________________________________________________
-AliHFEsignalCuts::~AliHFEsignalCuts(){
- //
- // Destructor
- //
- if(fMCQA) delete fMCQA;
-}
-
-//____________________________________________________________
-void AliHFEsignalCuts::SetMCEvent(AliMCEvent *mc){
- //
- // Set mc event
- //
- fMC = mc;
- if(fMCQA) fMCQA->SetMCEvent(mc);
-}
-
-//____________________________________________________________
-Bool_t AliHFEsignalCuts::IsSelected(TObject *o){
- //
- // Define signal as electron coming from charm or beauty
- // @TODO: Implement setter so that also either of them can be defined
- // as signal alone
-
-
- return IsCharmElectron(o) || IsBeautyElectron(o);
-/*
- //saving time?
- Int_t esources = GetElecSource(dynamic_cast<const AliVParticle *>(o));
- if(esources>0)printf("esources= %d\n",esources);
- if(esources == AliHFEmcQA::kDirectCharm || esources == AliHFEmcQA::kDirectBeauty || esources == AliHFEmcQA::kBeautyCharm) // 1: direct D->e, 2: B->e 3: B->D->e
- return kTRUE;
- else
- return kFALSE;
-*/
-
-}
-
-//____________________________________________________________
-Bool_t AliHFEsignalCuts::IsCharmElectron(const TObject * const o) const {
- //
- // Check if mother is coming from Charm
- //
- if(!dynamic_cast<const AliVParticle *>(o)) return kFALSE;
- Int_t esources = GetElecSource(dynamic_cast<const AliVParticle *>(o));
- if(esources == AliHFEmcQA::kDirectCharm) // 1: direct D->e
- return kTRUE;
- else
- return kFALSE;
-}
-
-//____________________________________________________________
-Bool_t AliHFEsignalCuts::IsBeautyElectron(const TObject * const o) const {
- //
- // Check if mother is coming from Beauty
- //
- if(!dynamic_cast<const AliVParticle *>(o)) return kFALSE;
- Int_t esources = GetElecSource(dynamic_cast<const AliVParticle *>(o));
- if(esources == AliHFEmcQA::kDirectBeauty || esources == AliHFEmcQA::kBeautyCharm) // 2: B->e 3: B->D->e
- return kTRUE;
- else
- return kFALSE;
-}
-
-//____________________________________________________________
-Bool_t AliHFEsignalCuts::IsGammaElectron(const TObject * const o) const {
- //
- // Check for MC if the electron is coming from Gamma
- //
- if(!dynamic_cast<const AliVParticle *>(o)) return kFALSE;
- Int_t esources = GetElecSource(dynamic_cast<const AliVParticle *>(o));
- if(esources >= AliHFEmcQA::kGammaPi0 && esources <= AliHFEmcQA::kGammaRho0 ) // 4: conversion electrons
- //if(esources == AliHFEmcQA::kGammaPi0 || esources == AliHFEmcQA::kGammaEta || esources == AliHFEmcQA::kGammaOmega || esources == AliHFEmcQA::kGammaPhi || esources == AliHFEmcQA::kGammaEtaPrime || esources == AliHFEmcQA::kGammaRho0 ) // 4: conversion electrons
- return kTRUE;
- else
- return kFALSE;
-}
-
-//____________________________________________________________
-Bool_t AliHFEsignalCuts::IsNonHFElectron(const TObject * const o) const {
- //
- // Check for MC if the electron is coming from NonHFE except for conversion
- //
- if(!dynamic_cast<const AliVParticle *>(o)) return kFALSE;
- Int_t esources = GetElecSource(dynamic_cast<const AliVParticle *>(o));
- if(esources == AliHFEmcQA:: kPi0 || esources == AliHFEmcQA::kEta || esources == AliHFEmcQA::kOmega || esources == AliHFEmcQA::kPhi || esources == AliHFEmcQA::kEtaPrime || esources == AliHFEmcQA::kRho0) // 4: conversion electrons
- return kTRUE;
- else
- return kFALSE;
-}
-//____________________________________________________________
-
-/*
-//____________________________________________________________
-Bool_t AliHFEsignalCuts::IsCharmElectron(const TObject * const o) const {
- //
- // Check if mother is coming from Charm
- //
- if(TMath::Abs(GetTrackPDG(dynamic_cast<const AliVParticle *>(o))) != 11) return kFALSE;
- Int_t motherpdg = TMath::Abs(GetMotherPDG(dynamic_cast<const AliVParticle *>(o)));
- AliDebug(1, Form("Mother PDG %d\n", motherpdg));
-
- if((motherpdg % 1000) / 100 == 4) return kTRUE; // charmed meson, 3rd position in pdg code == 4
- if(motherpdg / 1000 == 4) return kTRUE; // charmed baryon, 4th position in pdg code == 4
- AliDebug(1, "No Charm\n");
- return kFALSE;
-}
-
-//____________________________________________________________
-Bool_t AliHFEsignalCuts::IsBeautyElectron(const TObject * const o) const {
- //
- // Check if mother is coming from Beauty
- //
- if(TMath::Abs(GetTrackPDG(dynamic_cast<const AliVParticle *>(o))) != 11) return kFALSE;
- Int_t motherpdg = TMath::Abs(GetMotherPDG(dynamic_cast<const AliVParticle *>(o)));
- AliDebug(1, Form("Mother PDG %d\n", motherpdg));
-
- if((motherpdg % 1000) / 100 == 5) return kTRUE; // beauty meson, 3rd position in pdg code == 5
- if(motherpdg / 1000 == 5) return kTRUE; // beauty baryon, 4th position in pdg code == 5
- AliDebug(1, "No Beauty\n");
- return kFALSE;
-}
-
-//____________________________________________________________
-Bool_t AliHFEsignalCuts::IsGammaElectron(const TObject * const o) const {
- //
- // Check for MC if the electron is coming from Gamma
- //
- if(TMath::Abs(GetTrackPDG(dynamic_cast<const AliVParticle *>(o))) != 11) return kFALSE;
- Int_t motherpdg = TMath::Abs(GetMotherPDG(dynamic_cast<const AliVParticle *>(o)));
- AliDebug(1, Form("Mother PDG %d\n", motherpdg));
-
- if(motherpdg!=22){
- AliDebug(1, "No Gamma");
- return kFALSE;
- } else {
- AliDebug(1, "Gamma");
- return kTRUE;
- }
-}
-*/
-
-//____________________________________________________________
-Int_t AliHFEsignalCuts::GetMotherPDG(const AliVParticle * const track) const {
- //
- // Get Mother Pdg code for reconstructed respectively MC tracks
- //
- if(!fMC){
- AliDebug(1, "No MC Event Available\n");
- return 0;
- }
- const AliVParticle *motherParticle = NULL, *mctrack = NULL;
- TString objectType = track->IsA()->GetName();
- if(objectType.CompareTo("AliESDtrack") == 0 || objectType.CompareTo("AliAODTrack") == 0){
- // Reconstructed track
- if(track->GetLabel())
- mctrack = fMC->GetTrack(TMath::Abs(track->GetLabel()));
- } else {
- // MCParticle
- mctrack = track;
- }
-
- if(!mctrack) return 0;
-
- Int_t motherPDG = 0;
- if(TString(mctrack->IsA()->GetName()).CompareTo("AliMCParticle") == 0){
- // case MC Particle
- const AliMCParticle *esdmctrack = dynamic_cast<const AliMCParticle *>(mctrack);
- if(esdmctrack) motherParticle = fMC->GetTrack(esdmctrack->Particle()->GetFirstMother());
- if(motherParticle){
- const AliMCParticle *esdmcmother = dynamic_cast<const AliMCParticle *>(motherParticle);
- if(esdmcmother) motherPDG = TMath::Abs(esdmcmother->Particle()->GetPdgCode());
- }
- } else {
- // case AODMCParticle
- const AliAODMCParticle *aodmctrack = dynamic_cast<const AliAODMCParticle *>(mctrack);
- if(aodmctrack) motherParticle = fMC->GetTrack(aodmctrack->GetMother());
- if(motherParticle){
- const AliAODMCParticle *aodmcmother = dynamic_cast<const AliAODMCParticle *>(motherParticle);
- if(aodmcmother) motherPDG = TMath::Abs(aodmcmother->GetPdgCode());
- }
- }
- return motherPDG;
-}
-
-//____________________________________________________________
-Int_t AliHFEsignalCuts::GetTrackPDG(const AliVParticle * const track) const {
- //
- // Return PDG code of a particle itself
- //
- if(!fMC){
- AliDebug(1, "No MC Event Available\n");
- return 0;
- }
- TString sourcetype = track->IsA()->GetName();
- const AliVParticle *mctrack = NULL;
- if(!sourcetype.CompareTo("AliESDtrack") || !sourcetype.CompareTo("AliAODTrack")){
- mctrack = fMC->GetTrack(TMath::Abs(track->GetLabel()));
- } else mctrack = track;
- if(!mctrack) return 0;
-
- TString mctype = mctrack->IsA()->GetName();
- Int_t trackPdg = 0;
- if(!mctype.CompareTo("AliMCParticle")){
- const AliMCParticle *esdmc = dynamic_cast<const AliMCParticle *>(mctrack);
- if(esdmc) trackPdg = esdmc->Particle()->GetPdgCode();
- } else {
- const AliAODMCParticle *aodmc = dynamic_cast< const AliAODMCParticle *>(mctrack);
- if(aodmc) trackPdg = aodmc->GetPdgCode();
- }
- return trackPdg;
-}
-
-//____________________________________________________________
-Int_t AliHFEsignalCuts::GetElecSource(const AliVParticle * const track) const {
- //
- // Return PDG code of a particle itself
- //
-
- if(!fMC){
- AliDebug(1, "No MC Event Available\n");
- return 0;
- }
- if(!fMCQA){
- AliDebug(1, "No MCQA Available\n");
- return 0;
- }
- if(!track){
- AliDebug(1, "Track not Available\n");
- return 0;
- }
-
- TClass *tracktype;
- const AliVParticle *mctrack = NULL;
- TParticle *mcpart = NULL;
- if((tracktype = track->IsA()) == AliESDtrack::Class() || tracktype == AliAODTrack::Class()){
- mctrack = fMC->GetTrack(TMath::Abs(track->GetLabel()));
- } else mctrack = track;
- if(!mctrack) return 0;
-
- Int_t eSource = 0;
- if(mctrack->IsA() == AliMCParticle::Class()){
- const AliMCParticle *esdmc = dynamic_cast<const AliMCParticle *>(mctrack);
- if(esdmc){
- mcpart = esdmc->Particle();
- eSource=fMCQA->GetElecSource(mcpart);
- }
- } else {
- return -1;
- }
- return eSource;
-}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff