Measurement of the t(t)over-bar production cross section in the dilepton channel in pp collisions at root s=8 TeV

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F14%3A10209872" target="_blank" >RIV/00216208:11320/14:10209872 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1007/JHEP02(2014)024" target="_blank" >http://dx.doi.org/10.1007/JHEP02(2014)024</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1007/JHEP02(2014)024" target="_blank" >10.1007/JHEP02(2014)024</a>

Result language
angličtina
Original language name
Measurement of the t(t)over-bar production cross section in the dilepton channel in pp collisions at root s=8 TeV
Original language description
The top-antitop quark (t (t) over bar) production cross section is measured in proton-proton collisions at root s = 8 TeV with the CMS experiment at the LHC, using a data sample corresponding to an integrated luminosity of 5.3 fb(-1). The measurement isperformed by analysing events with a pair of electrons or muons, or one electron and one muon, and at least two jets, one of which is identified as originating from hadronisation of a bottom quark. The measured cross section is 239 +/- 2 (stat.) +/- 11 (syst.) +/- 6 (lum.) pb, for an assumed top-quark mass of 172.5 GeV, in agreement with the prediction of the standard model.
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
<a href="/en/project/LG13031" target="_blank" >LG13031: Collaboration of the Czech Republic with CERN</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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