PFTauDiscriminants::InvariantMass Class Reference

#include <Discriminants.h>

Inheritance diagram for PFTauDiscriminants::InvariantMass:

Public Member Functions
	InvariantMass ()
	~InvariantMass ()
Public Member Functions inherited from PFTauDiscriminants::DiscriminantBase< double >
void	branchTree (TTree *theTree)
	add a branch to a ttree corresponding to this variable More...
void	compute (PFTauDiscriminantManager *input)
	DiscriminantBase (std::string name, std::string rootTypeName, bool branchAsSimpleDataType, bool isMultiple, doubledefaultValue)
void	fillMVA (std::vector< PhysicsTools::Variable::Value > &mvaHolder) const
virtual void	setNullResult (PFTauDiscriminantManager *input)
virtual	~DiscriminantBase ()
Public Member Functions inherited from PFTauDiscriminants::Discriminant
	Discriminant (std::string name, std::string rootTypeName, bool branchAsSimpleDataType)
std::string	name () const
std::string	rootTypeName () const
PhysicsTools::AtomicId	theAtomicId () const
virtual	~Discriminant ()

Protected Member Functions
void	doComputation (PFTauDiscriminantManager *input, std::vector< double > &result)
Protected Member Functions inherited from PFTauDiscriminants::Discriminant
bool	branchSimply () const
	determines whether or not to use simple struct like branching or custom class branching (e.g. TLorentzVector) More...

Additional Inherited Members
Public Types inherited from PFTauDiscriminants::DiscriminantBase< double >
typedef std::vector< double > ::const_iterator	myVectorIterator

Detailed Description

Definition at line 182 of file Discriminants.h.

Constructor & Destructor Documentation

PFTauDiscriminants::InvariantMass::InvariantMass ( )

inline

Definition at line 184 of file Discriminants.h.

:DiscriminantBase<double>("InvariantMass", "vector<double>", false, true, 0.0){};

PFTauDiscriminants::InvariantMass::~InvariantMass ( )

inline

Definition at line 185 of file Discriminants.h.

{};

Member Function Documentation

void InvariantMass< T1, T2 >::doComputation ( PFTauDiscriminantManager *  input, std::vector< double > &  result  )

protectedvirtual

Implements PFTauDiscriminants::DiscriminantBase< double >.

Definition at line 245 of file Discriminants.cc.

References PFTauDiscriminants::PFTauDiscriminantManager::mainTrack(), reco::Candidate::p4(), and PFTauDiscriminants::PFTauDiscriminantManager::signalObjectsSortedByPt().

{
   const std::vector<const reco::Candidate*>& theSignalObjects = input->signalObjectsSortedByPt();
   const reco::Candidate* theMainTrack = input->mainTrack();
   if (!theMainTrack)
      return;
   LorentzVector fourVectorSoFar = theMainTrack->p4();

   for(std::vector<const reco::Candidate*>::const_iterator iObject  = theSignalObjects.begin();
         iObject != theSignalObjects.end();
         ++iObject)
   {
      const reco::Candidate* currentObject = *iObject;
      if (currentObject != theMainTrack)
      {
         fourVectorSoFar += currentObject->p4();
         result.push_back(fourVectorSoFar.mass());
      }
   }
}