Event level output:

Name Description
lbn Luminosity bloc number
run_number Run number
event_number Event number
event_desc Event description word (decoded here)
event_weight Event weight (probably best to reconstruct this with the following variables rather than use it directly)
pileup_weight Pile up weight for each each event
lepton_weight Scale factor accounting for lepton efficiency in each event (Applid to "good leptons" only)
cross_section_weight Cross section weight (do not use. not currently validated)
k_factor K-factor used in computing the cross section weight
eff_times_cross_section Efficiency*cross section for a given MC sample
mc_channel_number MC channel number specifying the type of event simulated
actual_int_per_crossing Actual interactions per crossing
average_int_per_crossing Average interactions per crossing
mll Di-lepton mass [GeV]. Set to zero when less than two good leptons in event
ptll Di-lepton Pt [GeV]. Set to zero when less than two good leptons in event
mt2 MT2 for event. Used for signal region cuts
ll_cos_phi cos(phi) of di-lepton object wrt to ATLAS
ll_sin_phi sin(phi) of di-lepton object wrt to ATLAS
ll_cos_met_phi cos(phi) of di-lepton object wrt MET
ll_sin_met_phi sin(phi) of di-lepton object wrt MET
vtx_n Number vertices
vtx_x Vector of vertex x coordinates
vtx_y Vector of vertex y coordinates
vtx_z Vector of vertex z coordinates
vtx_n_tracks Vector of number of tracks associated with each vertex
vtx_sum_pt Vector of sumpt for each vertex

Met output:

Name Description
met_et MET for event
met_rel_et MET-rel for event
met_phi Phi direction of MET for event
met_ref_ele_et MET Ref Ele for event
met_ref_ele_phi Phi direction of MET Ref Ele for event
met_ref_gamma_et MET Ref Gamma for event
met_ref_gamma_phi Phi direction of MET Ref Gamma for event
met_ref_tau_et MET Ref Tau for event
met_ref_tau_phi Phi direction of MET Ref Tau for event
met_ref_jet_et MET Ref Jet for event
met_ref_jet_phi Phi direction of MET Ref Jet for event
met_ref_muon_et MET Ref Muon for event
met_ref_muon_phi Phi direction of MET Ref Muon for event
met_muon_total_et MET muon total for event
met_muon_total_phi Phi direction of MET muon total for event
met_cell_out_et MET cell out for event
met_cell_out_phi Phi direction of MET cell out for event
met_cell_outEflow_et MET cell out E flow for event
met_cell_outEflow_phi Phi direction of MET cell out E flow for event
met_soft_jets_et MET Ref Soft Jets for event
met_soft_jets_phi Phi direction of MET Ref Soft Jets for event
met_truth_nonint_sumet sumet for Met truth non int
met_truth_nonint_etx etx for Met truth non int
met_truth_nonint_ety ety for Met truth non int
met_XXX_mu_corr_met_et MET corrected for muon momenta for XXX met collection
met_XXX_mu_corr_met_ex X component of MET corrected for muon momenta for XXX met collection
met_XXX_mu_corr_met_ey Y component of MET corrected for muon momenta for XXX met collection
met_XXX_mu_corr_met_phi Direction of MET corrected for muon momenta for XXX met collection
met_XXX_mu_corr_sumet Currently unfilled
met_XXX_raw_met_et Raw MET for XXX met collection
met_XXX_raw_met_ex X component of raw MET for XXX met collection
met_XXX_raw_met_ey Y component of raw MET for XXX met collection
met_XXX_raw_met_phi Direction of raw MET for XXX met collection
met_XXX_raw_sumet Sumet given by XXX met collection

-- BrettJackson - 02-Feb-2012

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Topic revision: r1 - 2012-02-02 - BrettJackson
 
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