CAWZJetHelperUser Class Reference

#include <HLTCAWZTagFilter.h>

Inheritance diagram for CAWZJetHelperUser:

Public Member Functions
	CAWZJetHelperUser (double massdropcut)
reco::CATopJetProperties	operator() (reco::Jet const &ihardJet) const

Protected Attributes
double	massdropcut_

Detailed Description

Definition at line 25 of file HLTCAWZTagFilter.h.

Constructor & Destructor Documentation

CAWZJetHelperUser::CAWZJetHelperUser ( double  massdropcut )

inline

Definition at line 28 of file HLTCAWZTagFilter.h.

                                        :
    massdropcut_(massdropcut)
    {}

Member Function Documentation

reco::CATopJetProperties CAWZJetHelperUser::operator()

(

reco::Jet const &

ihardJet

)

const

Definition at line 74 of file HLTCAWZTagFilter.h.

References reco::Jet::getJetConstituents(), reco::LeafCandidate::mass(), massdropcut_, reco::CATopJetProperties::minMass, reco::CATopJetProperties::nSubJets, reco::CATopJetProperties::topMass, and reco::CATopJetProperties::wMass.

                                                                                     {
  reco::CATopJetProperties properties;
  // Get subjets
  reco::Jet::Constituents subjets = ihardJet.getJetConstituents();
  properties.nSubJets = subjets.size();  // number of subjets
  properties.wMass = 999999.;                  // best W mass
  properties.topMass = 999999.;
  properties.minMass = -1;

  if (properties.nSubJets == 2) {
 
    sort ( subjets.begin(), subjets.end(), GreaterByPtCandPtrUser() );

    reco::Jet::Constituent icandJet = subjets[0];

    reco::Candidate::LorentzVector isubJet = icandJet->p4();
    double imass = isubJet.mass();
    double imw = ihardJet.mass();

    if (imass/imw < massdropcut_) {
      // Get the candidate mass
      properties.wMass = imw;
    }
  }
  
  return properties;
}

Member Data Documentation

double CAWZJetHelperUser::massdropcut_

protected

Definition at line 35 of file HLTCAWZTagFilter.h.

Referenced by operator()().