BTagging

determines origin of jet, applies b-tagging efficiency (miss identification rate) formulas and sets b-tagging flags

• input:
  • PartonInputArray
  • JetInputArray

• output:
  • OutputArray

• parameters:
  • DeltaR
  • PartonPTMin
  • PartonEtaMax
  • EfficiencyFormula

Calorimeter

fills calorimeter towers, performs calorimeter resolution smearing and preselects towers hit by electrons, photons and neutral particles

• input:
  • InputArray

• output:
  • TowerOutputArray
  • NeutralOutputArray
  • PhotonOutputArray
  • ElectronOutputArray

• parameters:
  • EtaPhiBins
  • EnergyFraction
  • ECalResolutionFormula - energy resolution as a function of energy and pseudo-rapidity
  • HCalResolutionFormula - energy resolution as a function of energy and pseudo-rapidity

Efficiency

selects candidates from the InputArray according to the efficiency formula

• input:
  • InputArray

• output:
  • OutputArray

• parameters:
  • EfficiencyFormula - efficiency specified for a PDG code as a function of transverse momentum and pseudo-rapidity

EnergySmearing

performs energy resolution smearing

• input:
  • InputArray

• output:
  • OutputArray

• parameters:
  • ResolutionFormula - energy resolution specified for a PDG code as a function of transverse momentum and pseudo-rapidity

FastJetFinder

finds jets using ​FastJet library, for more information about parameters see chapters 4 and 5 of the ​FasJet user manual

• input:
  • InputArray

• output:
  • OutputArray

• parameters:
  • JetAlgorithm - 1 CDFJetClu, 2 MidPoint, 3 SIScone, 4 kt, 5 Cambridge/Aachen, 6 antikt
  • ParameterR
  • ConeRadius
  • SeedThreshold
  • ConeAreaFraction
  • AdjacencyCut
  • OverlapThreshold
  • MaxIterations
  • MaxPairSize
  • Iratch
  • JetPTMin

Isolation

sums transverse momenta of isolation objects (tracks, calorimeter towers, etc) within a DeltaR cone around a candidate and calculates fraction of this sum to the candidate's transverse momentum. outputs candidates that have the transverse momenta fraction within (PTRatioMin, PTRatioMax].

• input:
  • CandidateInputArray
  • IsolationInputArray

• output:
  • OutputArray

• parameters:
  • DeltaR
  • PTMin
  • PTRatioMin
  • PTRatioMax

Merger

merges multiple input arrays into one output array and sums transverse momenta of all input objects

• input:
  • InputArray - list of input arrays and corresponding selection criteria as functions of transverse momentum and pseudo-rapidity

• output:
  • OutputArray
  • MomentumOutputArray

MomentumSmearing

performs transverse momentum resolution smearing

• input:
  • InputArray

• output:
  • OutputArray

• parameters:
  • ResolutionFormula - transverse momentum resolution specified for a PDG code as a function of transverse momentum and pseudo-rapidity

ParticlePropagator

propagates charged and neutral particles from a given vertex to a cylinder defined by its radius, its half-length, centered at (0,0,0) and with its axis oriented along the z-axis

• input:
  • InputArray

• output:
  • OutputArray

• parameters:
  • Radius
  • HalfLength
  • Bz

TauJetFinder

finds hadronic tau decays

• input:
  • TrackInputArray
  • TowerInputArray
  • JetInputArray

• output:
  • OutputArray

• parameters:
  • TrackDeltaR
  • TowerDeltaR
  • TrackPTMin
  • TowerETMin
  • JetPTMin

TreeWriter

fills ROOT tree branches

• parameters:
  • Branch

UniqueObjectFinder

finds uniquely identified photons, electrons, taus and jets

• parameters:
  • InputArrayMap