The dataset consists of simulated events of electron-positron pairs (e+e−) with flat transverse momentum pT distribution pT ∈ [1,200] GeV, with Phase 2 conditions, 200 pileup, V11 geometry, HLT TDR Summer20 campaign The original dataset (CMS-internal). This derived dataset in ROOT format contains generator-level particle and simulated detector information. More information about how the dataset is derived is available at this TWiki (CMS-internal). A description of each variable is below. Variable Description Type run Run number int event Event number int lumi Luminosity section int gen_n Number of primary generated particles int gen_PUNumInt Number of pileup interactions int gen_TrueNumInt Number of true interactions float vtx_x Simulated primary vertex x position in cm float vtx_y Simulated primary vertex y position in cm float vtx_z Simulated primary vertex z position in cm float gen_eta Primary generated particle pseudorapidity η vector<float> gen_phi Primary generated particle azimuthal angle ϕ vector<float> gen_pt Primary generated particle transverse momentum pT in GeV vector<float> gen_energy Primary generated particle energy in GeV vector<float> gen_charge Initial generated particle charge vector<int> gen_pdgid Primary generated particle PDG ID vector<int> gen_status Primary generated particle generator status vector<int> gen_daughters Primary generated particle daughters (empty) vector<vector<int>> genpart_eta Primary and secondary generated particle pseudorapidity η vector<float> genpart_phi Primary and secondary generated particle azimuthal angle ϕ vector<float> genpart_pt Primary and secondary generated particle transverse momentum pT in GeV vector<float> genpart_energy Primary and secondary generated particle energy in GeV vector<float> genpart_dvx Primary and secondary generated particle decay vertex x position in cm vector<float> genpart_dvy Primary and secondary generated particle decay vertex y position in cm vector<float> genpart_dvz Primary and secondary generated particle decay vertex z position in cm vector<float> genpart_ovy Primary and secondary generated particle original vertex y position in cm vector<float> genpart_ovz Primary and secondary generated particle original vertex z position in cm vector<float> genpart_mother Primary and secondary generated particle parent particle index (-1 indicates no parent) vector<int> genpart_exphi Primary and secondary generated particle azimuthal angle ϕ extrapolated to the corresponding HGCAL coordinate vector<float> genpart_exeta Primary and secondary generated particle pseudorapidity η extrapolated to the corresponding HGCAL coordinate vector<float> genpart_exx Primary and secondary generated particle decay vertex x extrapolated to the corresponding HGCAL coordinate vector<float> genpart_exy Primary and secondary generated particle decay vertex y extrapolated to the corresponding HGCAL coordinate vector<float> genpart_fbrem Primary and secondary generated particle decay vertex z extrapolated to the corresponding HGCAL coordinate vector<float> genpart_pid Primary and secondary generated particle PDG ID vector<int> genpart_gen Index of associated primary generated particle vector<int> genpart_reachedEE Primary and secondary generated particle flag: 2 indicates that the particle reached the HGCAL, 1 indicates the particle reached the barrel calorimeter, and 0 indicates other cases vector<int> genpart_fromBeamPipe Deprecated variable, always true vector<bool> genpart_posx Primary and secondary generated particle position x coordinate in cm vector<vector<float>> genpart_posy Primary and secondary generated particle position y coordinate in cm vector<vector<float>> genpart_posz Primary and secondary generated particle position z coordinate in cm vector<vector<float>> ts_n Number of trigger sums int ts_id Trigger sum ID vector<uint> ts_subdet Trigger sum subdetector vector<int> ts_zside Trigger sum endcap (plus or minus endcap) vector<int> ts_layer Trigger sum layer ID vector<int> ts_wafer Trigger sum wafer ID vector<int> ts_wafertype Trigger sum wafer type: 0 indicates fine divisions of wafer with 120 μm thick silicon, 1 indicates coarse divisions of wafer with 200 μm thick silicon, and 2 indicates coarse divisions of wafer with 300 μm thick silicon vector<int> ts_data Trigger sum ADC value vector<uint> ts_pt Trigger sum transverse momentum in GeV vector<float> ts_mipPt Trigger sum energy in units of transverse MIP vector<float> ts_energy Trigger sum energy in GeV vector<float> ts_eta Trigger sum pseudorapidity η vector<float> ts_phi Trigger sum azimuthal angle ϕ vector<float> ts_x Trigger sum x position in cm vector<float> ts_y Trigger sum y position in cm vector<float> ts_z Trigger sum z position in cm vector<float> tc_n Number of trigger cells int tc_id Trigger cell unique ID vector<uint> tc_subdet Trigger cell subdetector ID (EE, EH silicon, or EH scintillator) vector<int> tc_zside Trigger cell endcap (plus or minus endcap) vector<int> tc_layer Trigger cell layer number vector<int> tc_waferu Trigger cell wafer u coordinate; u-axis points along − x-axis vector<int> tc_waferv Trigger cell wafer v coordinate; v-axis points at 60 degrees with respect to x-axis vector<int> tc_wafertype Trigger cell wafer type: 0 indicates fine divisions of wafer with 120 μm thick silicon, 1 indicates coarse divisions of wafer with 200 μm thick silicon, and 2 indicates coarse divisions of wafer with 300 μm thick silicon) tc_cellu Trigger cell u coordinate within wafer; u-axis points along − x-axis vector<int> tc_cellv Trigger cell v coordinate within wafer; v-axis points at 60 degrees with respect to x-axis vector<int> tc_data Trigger cell ADC data at 21-bit precision after decoding from 7-bit encoding vector<uint> tc_uncompressedCharge Trigger cell ADC data at full precision before compression vector<uint> tc_compressedCharge Trigger cell ADC data compressed into 7-bit encoding vector<uint> tc_pt Trigger cell transverse momentum pT in GeV vector<float> tc_mipPt Trigger cell energy in units of transverse MIPs vector<float> tc_energy Trigger cell energy in GeV vector<float> tc_simenergy Trigger cell energy from simulated particles in GeV vector<float> tc_eta Trigger cell pseudorapidity η vector<float> tc_phi Trigger cell azimuthal angle ϕ vector<float> tc_x Trigger cell x position in cm vector<float> tc_y Trigger cell y position in cm vector<float> tc_z Trigger cell z position in cm vector<float> tc_cluster_id ID of the 2D cluster in which the trigger cell is clustered vector<uint> tc_multicluster_id ID of the 3D cluster in which the trigger cell is clustered vector<uint> tc_multicluster_pt Transverse momentum pT in GeV of the 3D cluster in which the trigger cell is clustered vector<float>