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column_descriptions.txt
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column_descriptions.txt
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Columns of interest
~~~~~~
Name Origin Structure Description
~~~~~~
Event_n constructed per_event event number in hepmc file
N_vertices_in_event hepmc per_event number of vertices in this event
Barcode_beam_particle1 hepmc per_event particle barcode from a beam particle
Barcode_beam_particle2 hepmc per_event
Momentum hepmc per_event units of momentum
Length hepmc per_event units of length
Cross_section_pb hepmc per_event cross section for this process
Cross_section_error_pb hepmc per_event cross section error
~~~~~~
Vertex_barcode hepmc per_vertex barcode (id number) for this vertex
X hepmc per_vertex x coordinate for this vertex
Y hepmc per_vertex y coordinate for this vertex
Z hepmc per_vertex z coordinate for this vertex
Ctau hepmc per_vertex lifetime coordinate for this vertex
~~~~~~
Particle_barcode hepmc per_particle barcode (id number) for this particle
MCPID hepmc per_particle monty carlo particle id
Px hepmc per_particle Particle momentum in x dir
Py hepmc per_particle Particle momentum in y dir
Pz hepmc per_particle Particle momentum in z dir
Energy hepmc per_particle Particle energy
Generated_mass hepmc per_particle Particle (generated?) mass
Status_code hepmc per_particle monty carlo status code ("did it decay")
End_vertex_barcode hepmc per_particle Vertex the particle ends at
Start_vertex_barcode constructed per_particle Vertex the particle starts from
N_flow_codes hepmc per_particle Something about colour flow
Flow_codes hepmc per_particle Something about colour flow
Antiflow_codes hepmc per_particle Something about colour flow
Parents constructed per_particle Parent particles (caution, not invariant, dosn't include siblings)
Children constructed per_particle Child particles (caution, not invarient, doesn't include siblings)
Is_root constructed per_particle Did the particle originate from the beam
Is_leaf constructed per_particle Does the particle exist in the final state
PT constructed per_particle PT of the particle
Rapidity constructed per_particle Rapidity of the particle
Theta constructed per_particle Theta of the particle
PseudoRapidity constructed per_particle Pseudorapidity of the particle
Phi constructed per_particle Phi of the particle
~~~~~~
JetInputs_SourceIdx constructed per_jetinput Index in the complete list of particles for this event
JetInputs_Energy constructed per_jetinput Energy to be used by jet clustering
JetInputs_Px constructed per_jetinput Px to be used by jet clustering
JetInputs_Py constructed per_jetinput Py to be used by jet clustering
JetInputs_Pz constructed per_jetinput Pz to be used by jet clustering
~~~~~~
FastJet_ExpofPTInput constructed per_jet -1 = antikt, 1= kt, 0 = cambridge aachen
~~~~~~
FastJet_PT constructed per_pseudojet PT of this pseudojet
FastJet_Rapidity constructed per_pseudojet Rapidity of this pseudojet
FastJet_Phi constructed per_pseudojet Phi of this pseudojet
FastJet_Energy constructed per_pseudojet Energy of this pseudojet
FastJet_Px constructed per_pseudojet Px of this pseudojet
FastJet_Py constructed per_pseudojet Py of this pseudojet
FastJet_Pz constructed per_pseudojet Pz of this pseudojet
FastJet_Label constructed per_pseudojet Id assigned to pseudojet, if this pseudojet is not a combined object this corresponds to the index of the JetInput used to create it
FastJet_Parent constructed per_pseudojet Parent of this pseudojet as a Label, -1 if no parent
FastJet_Child1 constructed per_pseudojet Child1 of this pseudojet as a Label, -1 if no child
FastJet_Child2 constructed per_pseudojet Child2 of this pseudojet as a Label, -1 if no child
FastJet_Rank constructed per_pseudojet rank of this pseudojet