2020; Physical and Mathematical Sciences, 54(1 (251): 50–55
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STUDY OF ELECTRONS ENERGY RESOLUTION, IN CMS (LHC) EXPERIMENT USING SIMULATED DATA

Aram Hayrapetyan*

Received: 2025-01-29 · Published: 2020-04-15

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CC BY-NC 4.0 This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
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Original title
STUDY OF ELECTRONS ENERGY RESOLUTION, IN CMS (LHC) EXPERIMENT USING SIMULATED DATA
Author
Aram Hayrapetyan
Published
2020-04-15
Licence
Creative Commons Attribution-NonCommercial 4.0 International
Original
https://doi.org/10.46991/PYSU:A/2020.54.1.050

Abstract

This work is dedicated to the study of the energy resolution of electronsusing simulated data of “Drell-Yan” process withe−e+yield in pp-interactionsat√s=13TeV. The work contains a brief description of event modelingand electron reconstruction from the simulated data. The energy resolutionwas estimated from the distribution of the ratio of the transverse energies ofreconstructed and generated electrons. Two approaches used in calculations. Inthe first approach – the standard definition of energy resolution was used (Fullwidth at half maximum – FWHM), and in the second – the root mean square ofdistribution was taken as a describing value for energy resolution.
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