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root/cvsroot/UserCode/MitPhysics/Utils/src/JetTools.cc

Comparing UserCode/MitPhysics/Utils/src/JetTools.cc (file contents):
Revision 1.18 by pharris, Sat Apr 7 09:36:33 2012 UTC vs.
Revision 1.22 by ceballos, Thu Apr 26 09:58:12 2012 UTC

#	Line 340 | Line 340 | Double_t JetTools::Beta(const TrackCol *
340		Double_t JetTools::Beta(const PFJet *jet, const Vertex *vertex, Double_t  delta_z){
341		double Pt_jets= 0. ;
342		double Pt_jetsTot = 0. ;
343	<
343	>
344		for(UInt_t i=0;i<jet->NPFCands();i++){
345	<	if(jet->PFCand(i)->BestTrk()){
346	<	Pt_jetsTot += jet->PFCand(i)->BestTrk()->Pt();
347	<	double pDz = TMath::Abs(jet->PFCand(i)->BestTrk()->DzCorrected(*vertex));
345	>	if(jet->PFCand(i)->TrackerTrk()){
346	>	Pt_jetsTot += jet->PFCand(i)->TrackerTrk()->Pt();
347	>	double pDz = TMath::Abs(jet->PFCand(i)->TrackerTrk()->DzCorrected(*vertex));
348		if(pDz < delta_z){
349	<	Pt_jets += jet->PFCand(i)->BestTrk()->Pt();
349	>	Pt_jets += jet->PFCand(i)->TrackerTrk()->Pt();
350		}
351		}
352		}
353
354	<	Double_t beta = 1.0;
354	>	Double_t beta = 0.;
355		if (Pt_jetsTot > 0)
356		beta = Pt_jets/Pt_jetsTot;
357
#	Line 491 | Line 491 | Double_t JetTools::impactParameter(const
491		double lDZCorr = -1000;
492		for(UInt_t i0 = 0; i0 < iJet->NPFCands(); i0++) {
493		const PFCandidate *pCand = iJet->PFCand(i0);
494	<	if(pCand->BestTrk() == 0) continue;
495	<	if(pCand->Pt() < 1.) continue;
496	<	if(iDZ)  lDZCorr = pCand->BestTrk()->DzCorrected(*iVertex);
497	<	if(!iDZ) lDZCorr = pCand->BestTrk()->D0Corrected(*iVertex);
494	>	if(pCand->TrackerTrk() == 0) continue;
495	>	//if(pCand->Pt() < 1.) continue; => previous iterations
496	>	if(iDZ)  lDZCorr = fabs(pCand->TrackerTrk()->DzCorrected(*iVertex));
497	>	if(!iDZ) lDZCorr = fabs(pCand->TrackerTrk()->D0Corrected(*iVertex));
498		break;
499		}
500		return lDZCorr;
#	Line 527 | Line 527 | Double_t JetTools::betaStar(const PFJet
527		for(UInt_t i0 = 0; i0 < iJet->NPFCands(); i0++) {
528		const PFCandidate* pPF   = iJet->PFCand(i0);
529		const Track* pTrack      = pPF->TrackerTrk();
530	<	if(pPF->GsfTrk()) pTrack = pPF->GsfTrk();
530	>	//if(pPF->GsfTrk()) pTrack = pPF->GsfTrk(); ==> not used in CMSSW
531		if(pTrack == 0) continue;
532	–
532		lTotal += pPF->Pt();
533	+	double pDZPV  = fabs(pTrack->DzCorrected(*iVertex));
534	+	double pDZMin = pDZPV;
535		for(unsigned int i1 = 0; i1 < iVertices->GetEntries(); i1++) {
536		const Vertex *pV = iVertices->At(i1);
537	<	if(fabs(pTrack->DzCorrected(*pV))             < iDZCut  &&
538	<	(pV->Position() - iVertex->Position()).R() > 0.02 )
539	<	{ lPileup  +=pPF->Pt();}
537	>	if(pV->Ndof() < 4 ||
538	>	(pV->Position() - iVertex->Position()).R() > 0.02 ) continue;
539	>	pDZMin = TMath::Min(pDZMin,fabs(pTrack->DzCorrected(*pV)));
540		}
541	+	if(pDZPV > 0.2 && pDZMin < 0.2) lPileup += pTrack->Pt();
542		}
543		if(lTotal == 0) lTotal = 1;
544		return lPileup/(lTotal);

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