CMS Detector Card for Delphes

Detector fiducial acceptance

• tracker : eta <= 2.5
• calorimeter (barrel) : eta <= 1.7
• calorimeter (end-cap) : eta <= 3.0
• calorimeter (fordward) : eta <= 5.0
• muon chamber : eta < 2.4

Hadronic calorimeter

sigma/E = C + N/E + S/\sqrt{E}, E in GeV

Electromagnetic calorimeter

sigma/E = C + N/E + S/\sqrt{E}, E in GeV

Muon smearing

Tracker

Tracker PT min =

Tracker efficiencies

TRACK_radius 129 radius of the BField coverage, in cm TRACK_length 300 half-length of the BField coverage, i\ n cm TRACK_bfield_x 0 X component of the BField, in T TRACK_bfield_y 0 Y component of the BField, in T TRACK_bfield_z 3.8 Z component of the BField, in T

Isolation criteria for leptons

PT thresholds

Jet reconstruction algorithm

B-tagging

Delphes describes b-tagging algorithms through 4 functions of two variables pT (x) and Eta (y) :

• b-tagging efficiencies
• mistag for c-jets
• mistag for gluon-jets
• mistag for light-jets

B-tagging efficiencies

Mistag efficiencies