Light-quark and gluon jet discrimination in pp collisions at s = 7 TeV with the ATLAS detector

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F14%3A00434678" target="_blank" >RIV/68378271:_____/14:00434678 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1140/epjc/s10052-014-3023-z" target="_blank" >http://dx.doi.org/10.1140/epjc/s10052-014-3023-z</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1140/epjc/s10052-014-3023-z" target="_blank" >10.1140/epjc/s10052-014-3023-z</a>

Result language
angličtina
Original language name
Light-quark and gluon jet discrimination in pp collisions at s = 7 TeV with the ATLAS detector
Original language description
A likelihood-based discriminant for the identification of quark- and gluon-initiated jets is built and validated using 4.7 fb1 of proton?proton collision data at s=7 TeV collected with the ATLAS detector at the LHC. Data samples with enriched quark or gluon content are used in the construction and validation of templates of jet properties that are the input to the likelihood-based discriminant. The discriminating power of the jet tagger is established in both data and Monte Carlo samples within a systematic uncertainty of 10?20 %. In data, light-quark jets can be tagged with an efficiency of 50% while achieving a gluon-jet mis-tag rate of 25% in a pT range between 40 GeV and 360 GeV for jets in the acceptance of the tracker.
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/LG13009" target="_blank" >LG13009: International experiment ATLAS-CERN</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

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

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