Study of the electron trigger efficiency of the CMS Experiment using test beam data

Details Study of the electron trigger efficiency of the CMS Experiment using test beam data Study of the electron trigger efficiency of the CMS Experiment using test beam data

2007-10-12

arxiv.org/abs/0710.2440v3

JINST 2:P12001, 2007

Physics

Instrumentation and Detectors

22 pages, 14 figures

Scientific paper

10.1088/1748-0221/2/12/P12001

A study of the electron identification and selection efficiency of the L1 Trigger algorithm has been performed using the combined ECAL/HCAL test beam data. A detailed discussion of the electron isolation and its impact on the selection efficiency is presented. The L1 electron algorithm is studied for different beam energies and the results indicate that efficiencies of 98% or more can be achieved for electrons with energies between 15 and 100 GeV. The fraction of charged hadrons with energies from 3 up to 100 GeV rejected by the L1 electron trigger algorithm is estimated to be larger than 93%.

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