Performance of electron reconstruction and selection with the CMS detector in proton-proton collisions at root s=8 TeV

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F15%3A10318753" target="_blank" >RIV/00216208:11320/15:10318753 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1088/1748-0221/10/06/P06005" target="_blank" >http://dx.doi.org/10.1088/1748-0221/10/06/P06005</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1088/1748-0221/10/06/P06005" target="_blank" >10.1088/1748-0221/10/06/P06005</a>

Result language
angličtina
Original language name
Performance of electron reconstruction and selection with the CMS detector in proton-proton collisions at root s=8 TeV
Original language description
The performance and strategies used in electron reconstruction and selection at CMS are presented based on data corresponding to an integrated luminosity of 19.7 fb(-1), collected in proton-proton collisions at root s = 8TeV at the CERN LHC. The paper focuses on prompt isolated electrons with transverse momenta ranging from about 5 to a few 100 GeV. A detailed description is given of the algorithms used to cluster energy in the electromagnetic calorimeter and to reconstruct electron trajectories in thetracker. The electron momentum is estimated by combining the energy measurement in the calorimeter with the momentum measurement in the tracker. Benchmark selection criteria are presented, and their performances assessed using Z, SIC, and J/psi decays into e(+)+e(-) pairs. The spectra of the observables relevant to electron reconstruction and selection as well as their global efficiencies are well reproduced by Monte Carlo simulations. The momentum scale is calibrated with an uncertainty
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BF - Elementary particle theory and high energy physics
OECD FORD branch
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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